The O-Ring, cataloged under National Stock Number 5331-00-641-2273, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Proponent, Inc. Dba Proponent. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-00-641-2273 |
| Primary Part Number | S8057AY113 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Proponent, Inc. Dba Proponent |
| Status | ACTIVE |
| Cross-Sectional Height | 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN |
| Center Hole Diameter | 0.794 INCHES MINIMUM AND 0.804 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 |
|---|---|
| S8057AY113 | Proponent, Inc. Dba Proponent (USA) |
| S8057AY113 | Honeywell International Inc. Div Aerospace - Torrance (USA) |
| Reference | Meaning |
|---|---|
| S8057AY113 | 3/2 Design control — primary reference U.S. Government activity |
| S8057K113 | 5/9 Secondary reference Honeywell International Inc. Div Aerospace - Torrance |
| S8057K113 | 5/9 Secondary reference U.S. Government activity |
| S8057K113 | 5/9 Secondary reference Alliedsignal Inc Dba Allied-Signal Aerospace Co |
NSN 5331-00-641-2273 is a O-Ring, manufactured by Proponent, Inc. Dba Proponent, classified under FSC 5331, O-ring. Status: active.
NSN 5331-00-641-2273 has 2 manufacturer part numbers on file: S8057AY113 (Proponent, Inc. Dba Proponent), S8057AY113 (Honeywell International Inc. Div Aerospace - Torrance).
Key specifications for S8057AY113: Cross-Sectional Height: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN; Center Hole Diameter: 0.794 INCHES MINIMUM AND 0.804 INCHES MAXIMUM IN; Material: RUBBER. 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.