PartsTable TECHNICAL DATA SHEET

NSN 5331-01-268-5812Government record, cited

O-Ring5331-01-268-5812

NSN 5331-01-268-5812 · NIIN 012685812

FSC 5331 — O-ring · FSG 53 — Hardware and Abrasives

Government record, cited

Also searched as 5331-01-268-5812 · 5331012685812 · NIIN 012685812 · 01-268-5812 · FSC 5331 O-ring · 207471 · 25366 · 207471

Nearby stock numbers ← 5331-01-268-5811 O-Ring · 5331-01-268-6812 O-Ring →

5331-01-268-5812 — O-ring

Features

O-Ring — FSC 5331

Identification

NSN: 5331-01-268-5812
NIIN: 012685812
FSC: 5331 — O-ring
FSG: 53 — Hardware and Abrasives

General Description

The O-Ring, cataloged under National Stock Number 5331-01-268-5812, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.

Catalog Facts

Item Name	O-Ring
FSC / FSG	5331 — O-ring (FSG 53)

Technical Specifications

Parameter	Value
NSN	5331-01-268-5812
Item Name	O-Ring
FSC / FSG	5331 / 53 — O-ring
Status	ACTIVE

Lifecycle & Compliance

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

⇄ Related Items 5

Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.

3110-01-480-80152-07471 POSSIBLE MATCH

BEARING,BALL,ANNULAR

Possible match (shared part number)Rockford Powertrain Inc Div Powertrain Rockford, Inc.

4140-01-539-3401 POSSIBLE MATCH

FAN,TUBEAXIAL

Possible match (shared part number)

3110-01-545-962325366 POSSIBLE MATCH

RETAINER,BALL,BEARING

Possible match (shared part number)Parker Hannifin Corp Dba Pneutronics

4240-01-674-287225366 POSSIBLE MATCH

ADAPTER,AIR HOSE,REGULATOR

Possible match (shared part number)Apex Pinnacle Corp

5315-01-705-849125366 POSSIBLE MATCH

PIN,SPRING

Possible match (shared part number)Charles Reed Knight Jr Dba Knight's Armament Company

Cross-Reference Index

No manufacturer part numbers on file in the U.S. Government catalog.

Reference documents

Reference	Meaning
207471	5/9 Secondary reference U.S. Government activity
25366	3/9 Design control — primary reference Paccar Winch Inc Dba Paccar Winch Division
207471	5/9 Secondary reference Minnpar, Llc Dba Minnpar

Related Parts

3110-01-480-8015POSSIBLE MATCH

BEARING,BALL,ANNULAR

2-07471

4140-01-539-3401POSSIBLE MATCH

FAN,TUBEAXIAL

3110-01-545-9623POSSIBLE MATCH

RETAINER,BALL,BEARING

25366

4240-01-674-2872POSSIBLE MATCH

ADAPTER,AIR HOSE,REGULATOR

25366

5315-01-705-8491POSSIBLE MATCH

PIN,SPRING

25366

Frequently Asked Questions

What is NSN 5331-01-268-5812?

NSN 5331-01-268-5812 is a O-Ring, classified under FSC 5331, O-ring. Status: active.

What NSN replaces 5331-01-268-5812?

5 possible matches (shared part number, not a government interchangeability claim): 3110-01-480-8015, 4140-01-539-3401, 3110-01-545-9623. Verify interchangeability with system specifications before substitution.

Is NSN 5331-01-268-5812 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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