The O-Ring, cataloged under National Stock Number 5331-01-650-3431, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Sae International Dba Sae International. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Parameter | Value |
|---|---|
| NSN | 5331-01-650-3431 |
| Primary Part Number | J515HK178X0124H |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Sae International Dba Sae International |
| 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 |
|---|---|
| J515HK178X0124H PRIMARY | Sae International Dba Sae International (USA) |
| SAE J515 HK178X0124H | General Atomics Dba General Atomics Corp (USA) |
| Reference | Meaning |
|---|---|
| SAE J515 HK1780 X 0124H | 5/9 Secondary reference Sae International Dba Sae International |
| SAE J515 HK1780 X 0124H | 3/9 Design control — primary reference U.S. Government activity |
NSN 5331-01-650-3431 is a O-Ring, manufactured by Sae International Dba Sae International, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-650-3431 has 2 manufacturer part numbers on file: J515HK178X0124H (Sae International Dba Sae International), SAE J515 HK178X0124H (General Atomics Dba General Atomics Corp).
1 possible match (shared part number, not a government interchangeability claim): 5331-01-696-9904. Verify interchangeability with system specifications before substitution.
Key specifications for J515HK178X0124H: Part Name Assigned by Controlling Agency: O-RING A419. 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.