The O-Ring, cataloged under National Stock Number 5331-01-695-2780, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is SAS Industries Inc. Government technical data includes 6 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. 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 | 5331-01-695-2780 |
| Primary Part Number | 1157-0024 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | SAS Industries Inc |
| Status | ACTIVE |
| Temp Rating | 160.0 FAHRENHEIT DEGF |
| Cross-Sectional Height | 0.070 INCHES NOMINAL IN |
| Outside Diameter | 1.254 INCHES NOMINAL IN |
| Color | BLACK |
| Center Hole Diameter | 1.114 INCHES NOMINAL IN |
| Material | RUBBER FLUOROSILICONE CLASS FQ |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 1157-0024 PRIMARY | SAS Industries Inc (USA) |
NSN 5331-01-695-2780 is a O-Ring, manufactured by SAS Industries Inc, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-695-2780 has 1 manufacturer part number on file: 1157-0024 (SAS Industries Inc).
1 possible match (shared part number, not a government interchangeability claim): 5305-01-721-2130. Verify interchangeability with system specifications before substitution.
Key specifications for 1157-0024: Temp Rating: 160.0 FAHRENHEIT DEGF; Cross-Sectional Height: 0.070 INCHES NOMINAL IN; Outside Diameter: 1.254 INCHES NOMINAL IN; Color: BLACK. 6 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.