The O-Ring, cataloged under National Stock Number 5331-01-450-9818, 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 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5331-01-450-9818 |
| Primary Part Number | HSP-32161-1 ITEM 2 |
| 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) |
| Part Number | Manufacturer |
|---|---|
| HSP-32161-1 ITEM 2 PRIMARY | John Crane, Inc (USA) |
| 0000 218 9548 | John Crane, Inc (USA) |
| Reference | Meaning |
|---|---|
| 0000 212 9500 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
NSN 5331-01-450-9818 is a O-Ring, manufactured by John Crane, Inc, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-450-9818 has 2 manufacturer part numbers on file: HSP-32161-1 ITEM 2 (John Crane, Inc), 0000 218 9548 (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.