The O-Ring, cataloged under National Stock Number 5331-01-424-0770, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Uop Inc Fluid Systems Div. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-424-0770 |
| Primary Part Number | 10-0251 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Uop Inc Fluid Systems Div |
| 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 |
|---|---|
| 10-0251 PRIMARY | Uop Inc Fluid Systems Div (USA) |
NSN 5331-01-424-0770 is a O-Ring, manufactured by Uop Inc Fluid Systems Div, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-424-0770 has 1 manufacturer part number on file: 10-0251 (Uop Inc Fluid Systems Div).
1 possible match (shared part number, not a government interchangeability claim): 5985-01-709-1710. Verify interchangeability with system specifications before substitution.
Key specifications for 10-0251: Special Features: USED ON INTERCONNECTOR FOR THE 8 IN. SEAWATER ELEMENTS IN. 0 specifications are 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.