The O-Ring, cataloged under National Stock Number 5331-01-025-7795, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Federal-Mogul Corp Government Sales Dept. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-025-7795 |
| Primary Part Number | S8990-002 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Federal-Mogul Corp Government Sales Dept |
| Status | ACTIVE |
| Cross-Sectional Height | 0.047 INCHES MINIMUM AND 0.053 INCHES MAXIMUM IN |
| Center Hole Diameter | 0.038 INCHES MINIMUM AND 0.046 INCHES MAXIMUM IN |
| Material | RUBBER SILICONE CLASS Q |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | F |
| Part Number | Manufacturer |
|---|---|
| S8990-002 | Federal-Mogul Corp Government Sales Dept (USA) |
| S8990-002 | Parker Hannifin Corporation Div O-Ring Division (USA) |
| S8990-002 | Parker-Hannifin Corp Div O-Ring Division (USA) |
| S8990-002 | Parco, Llc (USA) |
| Reference | Meaning |
|---|---|
| 10163364 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| S8990-002 | 3/2 Design control — primary reference U.S. Government activity |
| S8990-002 | 5/9 Secondary reference Rubbercraft Corporation of California, Ltd. Dba Rubbercraft Corp |
| S8990-002 | 5/2 Secondary reference U.S. Government activity |
| S8990-002 | 5/9 Secondary reference Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road) |
| S8990-002 | 5/2 Secondary reference U.S. Government activity |
NSN 5331-01-025-7795 is a O-Ring, manufactured by Federal-Mogul Corp Government Sales Dept, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-025-7795 has 4 manufacturer part numbers on file: S8990-002 (Federal-Mogul Corp Government Sales Dept), S8990-002 (Parker Hannifin Corporation Div O-Ring Division), S8990-002 (Parker-Hannifin Corp Div O-Ring Division), S8990-002 (Parco, Llc).
1 possible match (shared part number, not a government interchangeability claim): 5331-01-131-8483. Verify interchangeability with system specifications before substitution.
Key specifications for S8990-002: Cross-Sectional Height: 0.047 INCHES MINIMUM AND 0.053 INCHES MAXIMUM IN; Center Hole Diameter: 0.038 INCHES MINIMUM AND 0.046 INCHES MAXIMUM IN; Material: RUBBER SILICONE CLASS Q. 3 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.
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.