O-Ring5331-01-582-5634

NSN 5331-01-582-5634 · NIIN 015825634 · Part number 1005406

Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic · FSC 5331 — O-ring · FSG 53 — Hardware and Abrasives · CAGE 61208

Government record, cited

NSN 5331-01-582-5634 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-582-5634. Manufacturer of record part number: 1005406.

Also searched as 5331-01-582-5634 · 5331015825634 · NIIN 015825634 · 01-582-5634 · FSC 5331 O-ring · CAGE 61208 · 1005406

Nearby stock numbers ← 5331-01-582-5429 O-Ring · 5331-01-582-5642 O-Ring →

5331-01-582-5634 — O-ring

Features

O-Ring — FSC 5331
Cross-Sectional Height: 0.188 INCHES NOMINAL IN
Center Hole Diameter: 8.500 INCHES NOMINAL IN
Material: RUBBER BUTADIENE NITRILE
1 manufacturer part number on file
Manufacturer of record: Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic

Identification

NSN: 5331-01-582-5634
NIIN: 015825634
FSC: 5331 — O-ring
FSG: 53 — Hardware and Abrasives
Primary part number: 1005406
Manufacturer: Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic

General Description

The O-Ring, cataloged under National Stock Number 5331-01-582-5634, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	5331-01-582-5634
Primary Part Number	1005406
Item Name	O-Ring
FSC / FSG	5331 / 53 — O-ring
Manufacturer	Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic
Status	ACTIVE
Cross-Sectional Height	0.188 INCHES NOMINAL IN
Center Hole Diameter	8.500 INCHES NOMINAL IN
Material	RUBBER BUTADIENE NITRILE

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL A — No Demilitarization Required
Hazard	No hazard code in the DLA record (HMIC N)
Criticality Code	X

Cross-Reference Index

Part Number	Manufacturer
1005406 PRIMARY	Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic (USA)

Frequently Asked Questions

What is NSN 5331-01-582-5634?

NSN 5331-01-582-5634 is a O-Ring, manufactured by Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic, classified under FSC 5331, O-ring. Status: active.

What part numbers are listed for NSN 5331-01-582-5634?

NSN 5331-01-582-5634 has 1 manufacturer part number on file: 1005406 (Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic).

What are the specifications of 1005406?

Key specifications for 1005406: Cross-Sectional Height: 0.188 INCHES NOMINAL IN; Special Features: SIZE IS -371; OD IS 8.875, MATERIAL IS BUNA N, 70 DUROMETER; Center Hole Diameter: 8.500 INCHES NOMINAL IN; Material: RUBBER BUTADIENE NITRILE. 3 specifications are documented in the U.S. Government catalog.

Is NSN 5331-01-582-5634 hazardous material?

No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.

Sources

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.

✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.

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