The O-Ring, cataloged under National Stock Number 5331-01-594-4485, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is American Apex Corporation. Government technical data includes 1 specification, 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-594-4485 |
| Primary Part Number | 51157 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | American Apex Corporation |
| Status | ACTIVE |
| Material | RUBBER BUTADIENE NITRILE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 5331-01-594-4485 is a O-Ring, manufactured by American Apex Corporation, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-594-4485 has 2 manufacturer part numbers on file: 1210376 (Elektro Apparatebau Ag), 51157 (American Apex Corporation).
Key specifications for 51157: Part Name Assigned by Controlling Agency: O-RING; Material: RUBBER BUTADIENE NITRILE. 1 specification is 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.