The O-Ring, cataloged under National Stock Number 5331-01-013-3038, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Spirax Sarco Inc Dba Spirax Sarco. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | O-Ring |
| FSC / FSG | 5331 — O-ring (FSG 53) |
| Manufacturers | Spirax Sarco Inc Dba Spirax Sarco (CAGE 53059) |
| Parameter | Value |
|---|---|
| NSN | 5331-01-013-3038 |
| Primary Part Number | 58721 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Spirax Sarco Inc Dba Spirax Sarco |
| 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 |
|---|---|
| 58721 PRIMARY | Spirax Sarco Inc Dba Spirax Sarco (USA) |
| Reference | Meaning |
|---|---|
| J335PC1 | 5/9 Secondary reference Spirax Sarco Inc Dba Spirax Sarco |
NSN 5331-01-013-3038 is a O-Ring, manufactured by Spirax Sarco Inc Dba Spirax Sarco, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-013-3038 has 1 manufacturer part number on file: 58721 (Spirax Sarco Inc Dba Spirax Sarco).
1 possible match (shared part number, not a government interchangeability claim): 6220-01-483-8207. Verify interchangeability with system specifications before substitution.
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.