The O-Ring, cataloged under National Stock Number 5331-01-045-4257, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Honeywell International Inc Div Aerospace-South Bend (bendix Dr). 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-045-4257 |
| Primary Part Number | 953541-22 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Honeywell International Inc Div Aerospace-South Bend (bendix Dr) |
| Status | ACTIVE |
| Temp Rating | -40.0 FAHRENHEIT AND 500.0 FAHRENHEIT DEGF |
| Cross-Sectional Height | 0.073 INCHES NOMINAL IN |
| Material Document and Classification | MIL-R-2765 MIL SPEC SINGLE MATERIAL RESPONSE |
| Center Hole Diameter | 0.979 INCHES MINIMUM AND 0.999 INCHES MAXIMUM IN |
| Material | RUBBER |
| 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 |
|---|---|
| 953541-22 PRIMARY | Honeywell International Inc Div Aerospace-South Bend (bendix Dr) (USA) |
NSN 5331-01-045-4257 is a O-Ring, manufactured by Honeywell International Inc Div Aerospace-South Bend (bendix Dr), classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-045-4257 has 1 manufacturer part number on file: 953541-22 (Honeywell International Inc Div Aerospace-South Bend (bendix Dr)).
Key specifications for 953541-22: Temp Rating: -40.0 FAHRENHEIT AND 500.0 FAHRENHEIT DEGF; Cross-Sectional Height: 0.073 INCHES NOMINAL IN; Material Document and Classification: MIL-R-2765 MIL SPEC SINGLE MATERIAL RESPONSE; Center Hole Diameter: 0.979 INCHES MINIMUM AND 0.999 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.
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.