Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

3G Electric
RFQ CartGet a QuoteSign inSign up
APPROVED VENDOR Piston Seal Kit: For 1 1/2 in Bore Dia., Buna N, Black, -40° to 250°F - Piston Seal Kits
APPROVED VENDORPiston Seal Kits

APPROVED VENDOR Piston Seal Kit: For 1 1/2 in Bore Dia., Buna N, Black, -40° to 250°F

The APPROVED VENDOR Piston Seal Kit (SKU 4PKH5) is a 6-piece seal kit for 1 1/2 in bore diameter pistons. It includes two each of 80 Durometer Buna U-Cups, Hytrel Backup Rings, and 70 Durometer Buna O-Rings, all made…

SKU 3G-OTH-162071

Brand
APPROVED VENDOR
Item
Piston Seal Kit: For 1 1/2 in Bore Dia., Buna N, Black, -40° to 250°F
Category
Piston Seal Kits
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Technical Specifications

APPROVED VENDOR
Manufacturer Part Number
4PKH5
Type
Buna N, Black, -40° to 250°F
Pieces
6
View Full Spec Sheet

Technical Documents

No technical documents available for this product.
Request documentation →
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

APPROVED VENDOR Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The APPROVED VENDOR Piston Seal Kit (SKU 4PKH5) is a 6-piece seal kit for 1 1/2 in bore diameter pistons. It includes two each of 80 Durometer Buna U-Cups, Hytrel Backup Rings, and 70 Durometer Buna O-Rings, all made from Buna N material in black. The kit operates in temperatures from -40° to 250°F.

Frequently Asked Questions

What is the APPROVED VENDOR Piston Seal Kit used for?

The APPROVED VENDOR Piston Seal Kit is used to rebuild or repair hydraulic and pneumatic piston assemblies in industrial equipment. It is suitable for 1 1/2 in bore diameter pistons, commonly found in cylinders on manufacturing machinery, presses, and material handling systems.

What are the specifications of the APPROVED VENDOR Piston Seal Kit 4PKH5?

The kit includes 6 pieces: two 80 Durometer Buna U-Cups, two Hytrel Backup Rings, and two 70 Durometer Buna O-Rings. It is made from Buna N material in black, with a temperature range of -40° to 250°F. It is designed for 1 1/2 in bore diameter pistons.

Where to buy the APPROVED VENDOR Piston Seal Kit worldwide?

You can source the APPROVED VENDOR Piston Seal Kit through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time.

How to install the APPROVED VENDOR Piston Seal Kit?

To install, disassemble the cylinder and remove old seals. Clean all grooves and surfaces. Lubricate the new Buna N U-Cups, O-Rings, and Hytrel Backup Rings with compatible hydraulic fluid. Install components in correct order, ensuring no twisting. Reassemble and test for leaks.

Used in

Common applications for APPROVED VENDOR
Laboratory sampling — APPROVED VENDOR clear wide mouth glass bottles for collecting and storing liquid samples in non-sterile environments.
Steam heating maintenance — APPROVED VENDOR forged brass radiator valves for regulating steam flow in commercial building heating systems.
High-pressure cleaning — APPROVED VENDOR turbo spray nozzles for pressure washers used in industrial equipment cleaning up to 6,000 psi.
Cleanroom operations — APPROVED VENDOR vinyl task chairs for seating in ISO 5 classified manufacturing or assembly areas.
General sealing — APPROVED VENDOR natural rubber stoppers for closing laboratory flasks or test tubes in educational or research settings.
Tamper-evident security — APPROVED VENDOR brass lead and wire seals for securing utility meters, cargo containers, or access panels.

APPROVED VENDOR Products

3G Electric supplies APPROVED VENDOR piston seal kits. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Burners & Combustion →Pumps & Compressors →Spare Parts →All Products →

Similar products

Matched by specification & description
APPROVED VENDOR PTFE Square Ring Piston Seal Set: For 3 1/4 in Bore Dia., Buna N, 58 Shore D (MPN 4PKK5). Key specifications — attr95513: Black; attr95516: (1) Each: PTFE Piston Ring With Nitrile Energizer, 70 Durometer Buna O-Ring; attr95514: -40° to 250°F; attr95511: Buna N; attr95512: 58 Shore D; attr98887: APPROVED VENDOR.
APPROVED VENDOR PTFE
APPROVED VENDOR PTFE Square Ring Piston Seal Set: For 3 1/4 in Bore Dia., Buna N, 58 Shore D (MPN 4PKK5). Key specifications — attr95513: Black; attr95516: (1) Each: PTFE Piston Ring With Nitrile Energizer, 70 Durometer Buna O-Ring; attr95514: -40° to 250°F; attr95511: Buna N; attr95512: 58 Shore D; attr98887: APPROVED VENDOR.
APPROVED VENDOR PTFE Square Ring Piston Seal Set: For 1 in Bore Dia., Buna N, 58 Shore D, Black/Gold (MPN 4PKJ5). Key specifications — attr95513: Black; attr95516: (1) Each: PTFE Piston Ring With Nitrile Energizer, 70 Durometer Buna O-Ring; attr95514: -40° to 250°F; attr95511: Buna N; attr95512: 58 Shore D; attr98887: APPROVED VENDOR.
APPROVED VENDOR PTFE
APPROVED VENDOR PTFE Square Ring Piston Seal Set: For 1 in Bore Dia., Buna N, 58 Shore D, Black/Gold (MPN 4PKJ5). Key specifications — attr95513: Black; attr95516: (1) Each: PTFE Piston Ring With Nitrile Energizer, 70 Durometer Buna O-Ring; attr95514: -40° to 250°F; attr95511: Buna N; attr95512: 58 Shore D; attr98887: APPROVED VENDOR.
APPROVED VENDOR PTFE Square Ring Piston Seal Set: For 2 1/4 in Bore Dia., Buna N, 58 Shore D (MPN 4PKK1). Key specifications — attr95513: Black; attr95516: (1) Each: PTFE Piston Ring With Nitrile Energizer, 70 Durometer Buna O-Ring; attr95514: -40° to 250°F; attr95511: Buna N; attr95512: 58 Shore D; attr98887: APPROVED VENDOR.
APPROVED VENDOR PTFE
APPROVED VENDOR PTFE Square Ring Piston Seal Set: For 2 1/4 in Bore Dia., Buna N, 58 Shore D (MPN 4PKK1). Key specifications — attr95513: Black; attr95516: (1) Each: PTFE Piston Ring With Nitrile Energizer, 70 Durometer Buna O-Ring; attr95514: -40° to 250°F; attr95511: Buna N; attr95512: 58 Shore D; attr98887: APPROVED VENDOR.
APPROVED VENDOR PTFE Square Ring Piston Seal Set: For 2 1/2 in Bore Dia., Buna N, 58 Shore D (MPN 4PKK2). Key specifications — attr95513: Black; attr95516: (1) Each: PTFE Piston Ring With Nitrile Energizer, 70 Durometer Buna O-Ring; attr95514: -40° to 250°F; attr95511: Buna N; attr95512: 58 Shore D; attr98887: APPROVED VENDOR.
APPROVED VENDOR PTFE
APPROVED VENDOR PTFE Square Ring Piston Seal Set: For 2 1/2 in Bore Dia., Buna N, 58 Shore D (MPN 4PKK2). Key specifications — attr95513: Black; attr95516: (1) Each: PTFE Piston Ring With Nitrile Energizer, 70 Durometer Buna O-Ring; attr95514: -40° to 250°F; attr95511: Buna N; attr95512: 58 Shore D; attr98887: APPROVED VENDOR.

More from APPROVED VENDOR

View all APPROVED VENDOR parts →
APPROVED VENDOR Piston Seal Kit: For 7 in Bore Dia., Buna N, Black, -40° to 250°F, 6 Pieces (MPN 4PKJ3). Key specifications — attr95513: Black; attr95516: (2) Each: 80 Durometer Buna U-Cups, Hytrel Backup Rings, 70 Durometer Buna O-Rings; attr95514: -40° to 250°F; attr95511: Buna N; attr98887: APPROVED VENDOR.
APPROVED VENDOR
APPROVED VENDOR Piston Seal Kit: For 7 in Bore Dia., Buna N, Black, -40° to 250°F, 6 Pieces (MPN 4PKJ3). Key specifications — attr95513: Black; attr95516: (2) Each: 80 Durometer Buna U-Cups, Hytrel Backup Rings, 70 Durometer Buna O-Rings; attr95514: -40° to 250°F; attr95511: Buna N; attr98887: APPROVED VENDOR.
APPROVED VENDOR Piston Seal Kit: For 4 in Bore Dia., Buna N, Black, -40° to 250°F, 6 Pieces (MPN 4PKH9). Key specifications — attr95513: Black; attr95516: (2) Each: 80 Durometer Buna U-Cups, Hytrel Backup Rings, 70 Durometer Buna O-Rings; attr95514: -40° to 250°F; attr95511: Buna N; attr98887: APPROVED VENDOR.
APPROVED VENDOR
APPROVED VENDOR Piston Seal Kit: For 4 in Bore Dia., Buna N, Black, -40° to 250°F, 6 Pieces (MPN 4PKH9). Key specifications — attr95513: Black; attr95516: (2) Each: 80 Durometer Buna U-Cups, Hytrel Backup Rings, 70 Durometer Buna O-Rings; attr95514: -40° to 250°F; attr95511: Buna N; attr98887: APPROVED VENDOR.
APPROVED VENDOR Piston Seal Kit: For 6 in Bore Dia., Buna N, Black, -40° to 250°F, 6 Pieces (MPN 4PKJ2). Key specifications — attr95513: Black; attr95516: (2) Each: 80 Durometer Buna U-Cups, Hytrel Backup Rings, 70 Durometer Buna O-Rings; attr95514: -40° to 250°F; attr95511: Buna N; attr98887: APPROVED VENDOR.
APPROVED VENDOR
APPROVED VENDOR Piston Seal Kit: For 6 in Bore Dia., Buna N, Black, -40° to 250°F, 6 Pieces (MPN 4PKJ2). Key specifications — attr95513: Black; attr95516: (2) Each: 80 Durometer Buna U-Cups, Hytrel Backup Rings, 70 Durometer Buna O-Rings; attr95514: -40° to 250°F; attr95511: Buna N; attr98887: APPROVED VENDOR.
APPROVED VENDOR Piston Seal Kit: For 8 in Bore Dia., Buna N, Black, -40° to 250°F, 6 Pieces (MPN 4PKJ4). Key specifications — attr95513: Black; attr95516: (2) Each: 80 Durometer Buna U-Cups, Hytrel Backup Rings, 70 Durometer Buna O-Rings; attr95514: -40° to 250°F; attr95511: Buna N; attr98887: APPROVED VENDOR.
APPROVED VENDOR
APPROVED VENDOR Piston Seal Kit: For 8 in Bore Dia., Buna N, Black, -40° to 250°F, 6 Pieces (MPN 4PKJ4). Key specifications — attr95513: Black; attr95516: (2) Each: 80 Durometer Buna U-Cups, Hytrel Backup Rings, 70 Durometer Buna O-Rings; attr95514: -40° to 250°F; attr95511: Buna N; attr98887: APPROVED VENDOR.
APPROVED VENDOR Piston Seal Kit: For 5 in Bore Dia., Buna N, Black, -40° to 250°F, 6 Pieces (MPN 4PKJ1). Key specifications — attr95513: Black; attr95516: (2) Each: 80 Durometer Buna U-Cups, Hytrel Backup Rings, 70 Durometer Buna O-Rings; attr95514: -40° to 250°F; attr95511: Buna N; attr98887: APPROVED VENDOR.
APPROVED VENDOR
APPROVED VENDOR Piston Seal Kit: For 5 in Bore Dia., Buna N, Black, -40° to 250°F, 6 Pieces (MPN 4PKJ1). Key specifications — attr95513: Black; attr95516: (2) Each: 80 Durometer Buna U-Cups, Hytrel Backup Rings, 70 Durometer Buna O-Rings; attr95514: -40° to 250°F; attr95511: Buna N; attr98887: APPROVED VENDOR.
APPROVED VENDOR Piston Seal Kit: For 3 1/4 in Bore Dia., Buna N, Black, -40° to 250°F, 6 Pieces (MPN 4PKH8). Key specifications — attr95513: Black; attr95516: (2) Each: 80 Durometer Buna U-Cups, Hytrel Backup Rings, 70 Durometer Buna O-Rings; attr95514: -40° to 250°F; attr95511: Buna N; attr98887: APPROVED VENDOR.
APPROVED VENDOR
APPROVED VENDOR Piston Seal Kit: For 3 1/4 in Bore Dia., Buna N, Black, -40° to 250°F, 6 Pieces (MPN 4PKH8). Key specifications — attr95513: Black; attr95516: (2) Each: 80 Durometer Buna U-Cups, Hytrel Backup Rings, 70 Durometer Buna O-Rings; attr95514: -40° to 250°F; attr95511: Buna N; attr98887: APPROVED VENDOR.
APPROVED VENDOR Piston Seal Kit: For 2 in Bore Dia., Buna N, Black, -40° to 250°F, 6 Pieces (MPN 4PKH6). Key specifications — attr95513: Black; attr95516: (2) Each: 80 Durometer Buna U-Cups, Hytrel Backup Rings, 70 Durometer Buna O-Rings; attr95514: -40° to 250°F; attr95511: Buna N; attr98887: APPROVED VENDOR.
APPROVED VENDOR
APPROVED VENDOR Piston Seal Kit: For 2 in Bore Dia., Buna N, Black, -40° to 250°F, 6 Pieces (MPN 4PKH6). Key specifications — attr95513: Black; attr95516: (2) Each: 80 Durometer Buna U-Cups, Hytrel Backup Rings, 70 Durometer Buna O-Rings; attr95514: -40° to 250°F; attr95511: Buna N; attr98887: APPROVED VENDOR.
APPROVED VENDOR Piston Seal Kit: For 1 in Bore Dia., Buna N, Black, -40° to 250°F, 6 Pieces (MPN 4PKH4). Key specifications — attr95513: Black; attr95516: (2) Each: 80 Durometer Buna U-Cups, Hytrel Backup Rings, 70 Durometer Buna O-Rings; attr95514: -40° to 250°F; attr95511: Buna N; attr98887: APPROVED VENDOR.
APPROVED VENDOR
APPROVED VENDOR Piston Seal Kit: For 1 in Bore Dia., Buna N, Black, -40° to 250°F, 6 Pieces (MPN 4PKH4). Key specifications — attr95513: Black; attr95516: (2) Each: 80 Durometer Buna U-Cups, Hytrel Backup Rings, 70 Durometer Buna O-Rings; attr95514: -40° to 250°F; attr95511: Buna N; attr98887: APPROVED VENDOR.