The O-Ring, cataloged under National Stock Number 5331-01-537-1379, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is National Drager Inc. Government technical data includes 1 specification, 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 | 5331-01-537-1379 |
| Primary Part Number | R 10 148 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | National Drager Inc |
| Status | ACTIVE |
| Color | BLACK |
| 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 |
|---|---|
| R 10 148 PRIMARY | National Drager Inc (USA) |
NSN 5331-01-537-1379 is a O-Ring, manufactured by National Drager Inc, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-537-1379 has 1 manufacturer part number on file: R 10 148 (National Drager Inc).
Key specifications for R 10 148: Color: BLACK; Part Name Assigned by Controlling Agency: SEALING RING BLACK. 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.