The O-Ring, cataloged under National Stock Number 5331-01-621-4537, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Scania Usa Inc Dba Scania Usa Inc. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Item Name | O-Ring |
| FSC / FSG | 5331 — O-ring (FSG 53) |
| Manufacturers | Mack Boring & Parts Co (CAGE 29186); Scania Usa Inc Dba Scania Usa Inc (CAGE 5FU44) |
| Parameter | Value |
|---|---|
| NSN | 5331-01-621-4537 |
| Primary Part Number | 810958 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Scania Usa Inc Dba Scania Usa Inc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
NSN 5331-01-621-4537 is a O-Ring, manufactured by Scania Usa Inc Dba Scania Usa Inc, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-621-4537 has 2 manufacturer part numbers on file: 810958 (Mack Boring & Parts Co), 810958 (Scania Usa Inc Dba Scania Usa Inc).
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.