The O-Ring, cataloged under National Stock Number 5331-01-629-2587, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is John Crane, Inc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | O-Ring |
| FSC / FSG | 5331 — O-ring (FSG 53) |
| Manufacturers | John Crane, Inc (CAGE 71724) |
| Parameter | Value |
|---|---|
| NSN | 5331-01-629-2587 |
| Primary Part Number | 0000 223 9549 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | John Crane, Inc |
| Status | ACTIVE |
| 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 |
|---|---|
| 0000 223 9549 PRIMARY | John Crane, Inc (USA) |
| Reference | Meaning |
|---|---|
| NSP-00387-1 ITEM 2 | C/1 Advisory reference — outside the item-of-supply concept John Crane, Inc |
NSN 5331-01-629-2587 is a O-Ring, manufactured by John Crane, Inc, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-629-2587 has 1 manufacturer part number on file: 0000 223 9549 (John Crane, 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.