The O-Ring, cataloged under National Stock Number 5331-00-291-7353, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Finning (uk) Ltd. Government technical data includes 5 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through both NSN and commercial part number lookups. 23 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 10 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5331-00-291-7353 |
| Primary Part Number | 7F-8267 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Finning (uk) Ltd |
| Status | CANCELLED |
| Temp Rating | -25.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF |
| Cross-Sectional Height | 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN |
| Outside Diameter | 2.111 INCHES MINIMUM AND 2.163 INCHES MAXIMUM IN |
| Center Hole Diameter | 1.849 INCHES MINIMUM AND 1.869 INCHES MAXIMUM IN |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR |
| Acquisition Status | CANCELLED |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 7F-8267 | Finning (uk) Ltd (GBR) |
| Reference | Meaning |
|---|---|
| 36009 | 5/9 Secondary reference Prestolite Electric Inc |
| AS3570-225 | 5/1 Secondary reference Sae International Dba Sae International |
| 7F8267 | 5/1 Secondary reference Caterpillar Inc Div Caterpillar Defense |
| RC30-3 | 5/1 Secondary reference U.S. Government activity |
| 5330002917353 | 5/9 Secondary reference E.c.a Etablissement Centrald'approvisionnement Des Forces Armee |
| 24978 | 5/9 Secondary reference Davey Compressor Co Div of Keco Industries Inc |
| 154079 | 5/1 Secondary reference Eaton Aerospace, Llc Dba Jackson South |
| AN123885 | 5/1 Secondary reference U.S. Government activity |
| 5430-3 | 5/9 Secondary reference Parker-Hannifin Corporation Dba Pneutronics Div Corporate Headquarters |
| GRC30-3 | 5/1 Secondary reference U.S. Government activity |
| 24798 | 5/9 Secondary reference Davey Compressor Co Div of Keco Industries Inc |
| 2-225 N951-75 | 5/9 Secondary reference Parker Hannifin Gmbh O-Ring Division |
| 5330002917353 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
| 2-225N951-75 | 5/1 Secondary reference Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division |
| AN123885 | 5/1 Secondary reference Parker-Hannifin Corp Div O-Ring Division |
| 1E8458 | 5/1 Secondary reference Fisher Controls Co Inc |
| 7974911 | 5/1 Secondary reference U S Army Tank Automotive Command Amsta-Im-Mm |
| AN123885 | 2/2 Government specification standardization U.S. Government activity |
| AP24978 | 5/9 Secondary reference Davey Compressor Co Div of Keco Industries Inc |
| S1473 | 5/9 Secondary reference Challenge Machinery Co the |
NSN 5331-00-291-7353 is a O-Ring, manufactured by Finning (uk) Ltd, classified under FSC 5331, O-ring. Status: cancelled.
NSN 5331-00-291-7353 has 1 manufacturer part number on file: 7F-8267 (Finning (uk) Ltd).
10 possible matches (shared part number, not a government interchangeability claim): 5307-00-691-4090, 5305-00-991-5865, 5985-01-136-0949. Verify interchangeability with system specifications before substitution.
Key specifications for 7F-8267: Temp Rating: -25.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF; Cross-Sectional Height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN; Outside Diameter: 2.111 INCHES MINIMUM AND 2.163 INCHES MAXIMUM IN; Center Hole Diameter: 1.849 INCHES MINIMUM AND 1.869 INCHES MAXIMUM IN. 5 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 5331-00-291-7353 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.
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.