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

N90 Bulk Packaged O-Ring: Buna-N, Round, 3/16 in C.S., 12 in I.D. - Buna-N O-Rings
N90Buna-N O-Rings

N90 Bulk Packaged O-Ring: Buna-N, Round, 3/16 in C.S., 12 in I.D.

The N90 Bulk Packaged O-Ring is a Buna-N, round o-ring with a 3/16 in cross-section and 12 in inside diameter, durometer 90A, dash number 381, and an operating temperature range of -13°F to 250°F, supplied in a…

SKU 3G-OTH-514550

Brand
N90
Item
Bulk Packaged O-Ring: Buna-N, Round, 3/16 in C.S., 12 in I.D.
Category
Buna-N O-Rings
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

N90
Manufacturer Part Number
GR-N90381/50
Type
Round, 50 PK
C.S.
3/16 in
I.D.
12 in
Durometer
90A
Dash Number
381
Product Type
O-Ring
Operating Temp Range
-13°F to 250°F
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

N90 Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The N90 Bulk Packaged O-Ring is a Buna-N, round o-ring with a 3/16 in cross-section and 12 in inside diameter, durometer 90A, dash number 381, and an operating temperature range of -13°F to 250°F, supplied in a 50-pack. 3G Electric interprets this demand and delivers genuine industrial parts across 14 departments, with specialist depth in combustion, pumps, and controls as an authorised distributor for brands like FBR, Interpump, and Riello.

Frequently Asked Questions

What is the N90 Bulk Packaged O-Ring used for?

The N90 Buna-N O-Ring is used for sealing static and dynamic applications in industrial equipment, such as pumps, valves, and hydraulic systems. Its 90A durometer and temperature range of -13°F to 250°F suit oil-resistant sealing in machinery across machining, power transmission, and material handling departments.

What are the specifications of the N90 Bulk Packaged O-Ring?

The N90 O-Ring has a 3/16 in cross-section, 12 in inside diameter, 90A durometer, dash number 381, and operates from -13°F to 250°F. It is Buna-N material, round profile, supplied in a 50-pack. 3G Electric sources this genuine part (MPN GR-N90381/50) for industrial maintenance needs.

Where to buy the N90 Bulk Packaged O-Ring worldwide?

3G Electric supplies the N90 Bulk Packaged O-Ring worldwide, handling logistics, customs, and delivery to your facility. As a global industrial solutions provider, we interpret your demand and source genuine parts like this Buna-N O-Ring (MPN GR-N90381/50) for reliable sealing in pumps, controls, and more.

How to select the right N90 O-Ring for my application?

Select the N90 O-Ring by matching its 3/16 in cross-section and 12 in inside diameter to your gland dimensions. Verify the 90A durometer suits your pressure and the -13°F to 250°F range covers your operating temperature. For oil resistance, Buna-N is ideal. 3G Electric can help confirm fit for your equipment.

N90 Products

3G Electric supplies N90 buna-n o-rings. 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

More from N90

View all N90 parts
N90 Bulk Packaged O-Ring: Buna-N, Round, 1/16 in C.S., 1 7/8 in I.D., 2,500 PK (MPN GR-N90032/2500). Key specifications — Durometer: 90A; Product Type: O-Ring; Dash Number: 032; Operating Temp Range: -13°F to 250°F.
N90
N90 Bulk Packaged O-Ring: Buna-N, Round, 1/16 in C.S., 1 7/8 in I.D., 2,500 PK (MPN GR-N90032/2500). Key specifications — Durometer: 90A; Product Type: O-Ring; Dash Number: 032; Operating Temp Range: -13°F to 250°F.
N90 Bulk Packaged O-Ring: Buna-N, Round, 3/16 in C.S., 1 5/8 in I.D., 500 PK (MPN GR-N90326/500). Key specifications — Durometer: 90A; Product Type: O-Ring; Dash Number: 326; Operating Temp Range: -13°F to 250°F.
N90
N90 Bulk Packaged O-Ring: Buna-N, Round, 3/16 in C.S., 1 5/8 in I.D., 500 PK (MPN GR-N90326/500). Key specifications — Durometer: 90A; Product Type: O-Ring; Dash Number: 326; Operating Temp Range: -13°F to 250°F.
N90 Bulk Packaged O-Ring: Buna-N, Round, 3/16 in C.S., 1/2 in I.D., 1,000 PK (MPN GR-N90310/1000). Key specifications — Durometer: 90A; Product Type: O-Ring; Dash Number: 310; Operating Temp Range: -13°F to 250°F.
N90
N90 Bulk Packaged O-Ring: Buna-N, Round, 3/16 in C.S., 1/2 in I.D., 1,000 PK (MPN GR-N90310/1000). Key specifications — Durometer: 90A; Product Type: O-Ring; Dash Number: 310; Operating Temp Range: -13°F to 250°F.
N90 Bulk Packaged O-Ring: Buna-N, Round, 1/8 in C.S., 1 1/8 in I.D., 1,000 PK (MPN GR-N90216/1000). Key specifications — Durometer: 90A; Product Type: O-Ring; Dash Number: 216; Operating Temp Range: -13°F to 250°F.
N90
N90 Bulk Packaged O-Ring: Buna-N, Round, 1/8 in C.S., 1 1/8 in I.D., 1,000 PK (MPN GR-N90216/1000). Key specifications — Durometer: 90A; Product Type: O-Ring; Dash Number: 216; Operating Temp Range: -13°F to 250°F.
N90 Bulk Packaged O-Ring: Buna-N, Round, 1/4 in C.S., 7 1/4 in I.D., 50 PK (MPN GR-N90442/50). Key specifications — Durometer: 90A; Product Type: O-Ring; Dash Number: 442; Operating Temp Range: -13°F to 250°F.
N90
N90 Bulk Packaged O-Ring: Buna-N, Round, 1/4 in C.S., 7 1/4 in I.D., 50 PK (MPN GR-N90442/50). Key specifications — Durometer: 90A; Product Type: O-Ring; Dash Number: 442; Operating Temp Range: -13°F to 250°F.
N90 Bulk Packaged O-Ring: Buna-N, Round, 1/8 in C.S., 5/16 in I.D., 5,000 PK (MPN GR-N90203/5000). Key specifications — Durometer: 90A; Product Type: O-Ring; Dash Number: 203; Operating Temp Range: -13°F to 250°F.
N90
N90 Bulk Packaged O-Ring: Buna-N, Round, 1/8 in C.S., 5/16 in I.D., 5,000 PK (MPN GR-N90203/5000). Key specifications — Durometer: 90A; Product Type: O-Ring; Dash Number: 203; Operating Temp Range: -13°F to 250°F.
N90 Bulk Packaged O-Ring: Buna-N, Round, 3/16 in C.S., 13 in I.D., 50 PK (MPN GR-N90382/50). Key specifications — Durometer: 90A; Product Type: O-Ring; Dash Number: 382; Operating Temp Range: -13°F to 250°F.
N90
N90 Bulk Packaged O-Ring: Buna-N, Round, 3/16 in C.S., 13 in I.D., 50 PK (MPN GR-N90382/50). Key specifications — Durometer: 90A; Product Type: O-Ring; Dash Number: 382; Operating Temp Range: -13°F to 250°F.
N90 Bulk Packaged O-Ring: Buna-N, Round, 3/16 in C.S., 4 1/4 in I.D., 200 PK (MPN GR-N90347/200). Key specifications — Durometer: 90A; Product Type: O-Ring; Dash Number: 347; Operating Temp Range: -13°F to 250°F.
N90
N90 Bulk Packaged O-Ring: Buna-N, Round, 3/16 in C.S., 4 1/4 in I.D., 200 PK (MPN GR-N90347/200). Key specifications — Durometer: 90A; Product Type: O-Ring; Dash Number: 347; Operating Temp Range: -13°F to 250°F.