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APPROVED VENDOR Flat Washer: M4 Screw Sz, Fiber Seal, 4.3 mm Inside Dia, 9 mm Outside Dia - Single-Piece Sealing Washers
APPROVED VENDORSingle-Piece Sealing Washers

APPROVED VENDOR Flat Washer: M4 Screw Sz, Fiber Seal, 4.3 mm Inside Dia, 9 mm Outside Dia

The APPROVED VENDOR Flat Washer (SKU 894EM9, MPN Z8644) is a single-piece fiber sealing washer for M4 screw sizes, supplied in a 10-pack. It has a 4.3 mm inside diameter, 9 mm outside diameter, and 0.8 mm maximum…

SKU 3G-OTH-534560

Brand
APPROVED VENDOR
Item
Flat Washer: M4 Screw Sz, Fiber Seal, 4.3 mm Inside Dia, 9 mm Outside Dia
Category
Single-Piece Sealing Washers
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Technical Specifications

APPROVED VENDOR
Manufacturer Part Number
Z8644
Type
Fiber Seal, 10 PK
Max Thick
0.8 mm
Inside Dia
4.3 mm
Outside Dia
9 mm
FDA Approval
Not FDA Approved
Product Type
Flat Washer
Seal Material
Fiber
Metal Detection
Not Metal Detectable
Seal Material Color
Red
System of Measurement
Metric
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APPROVED VENDOR Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The APPROVED VENDOR Flat Washer (SKU 894EM9, MPN Z8644) is a single-piece fiber sealing washer for M4 screw sizes, supplied in a 10-pack. It has a 4.3 mm inside diameter, 9 mm outside diameter, and 0.8 mm maximum thickness. This metric washer is red in color, not FDA approved, and not metal detectable.

Frequently Asked Questions

What is the APPROVED VENDOR Z8644 flat washer used for?

The APPROVED VENDOR Z8644 flat washer is a fiber sealing washer for M4 screws, used to prevent leaks in fluid or gas connections. It suits metric fastening applications across industrial departments like pneumatics, hydraulics, and instrumentation where a non-metallic, non-FDA seal is acceptable.

What are the specifications of the APPROVED VENDOR Z8644 flat washer?

The APPROVED VENDOR Z8644 flat washer has a 4.3 mm inside diameter, 9 mm outside diameter, and 0.8 mm maximum thickness. It is a metric fiber seal, red in color, not FDA approved, and not metal detectable. Supplied in a 10-pack for M4 screw sizes.

Where to buy the APPROVED VENDOR Z8644 flat washer worldwide?

3G Electric supplies the APPROVED VENDOR Z8644 flat washer worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to deliver this fiber sealing washer to your facility. Contact us for availability and lead time.

How to install the APPROVED VENDOR Z8644 fiber sealing washer?

Place the APPROVED VENDOR Z8644 fiber washer over the M4 screw shank before assembly. Tighten to the manufacturer’s recommended torque for fiber seals to avoid over-compression. Ensure the mating surfaces are clean and dry for a leak-free seal. Replace if damaged.

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 single-piece sealing washers. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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