The O-Ring, cataloged under National Stock Number 5331-01-650-3425, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Dbr Industries, Inc. Dba Dbr Industries Inc. The record lists 6 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
| Parameter | Value |
|---|---|
| NSN | 5331-01-650-3425 |
| Primary Part Number | SAE J515 HK178X0187H |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Dbr Industries, Inc. Dba Dbr Industries 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 |
|---|---|
| SAE J515 HK178X0187H PRIMARY | Dbr Industries, Inc. Dba Dbr Industries Inc (USA) |
| J515 HK178X0187H | Allied Metrics Seals & Fasteners Inc (USA) |
| SAE J515 HK178X0187H | Allied Metrics Seals & Fasteners Inc (USA) |
| SAE J515 HK178 X 0187H PRIMARY | Sae International Dba Sae International (USA) |
| J515 HK178X0187H PRIMARY | Dbr Industries, Inc. Dba Dbr Industries Inc (USA) |
| SAE J515 HK178X0187H | General Atomics Dba General Atomics Corp (USA) |
| Reference | Meaning |
|---|---|
| SAE J515 HK178 X 0187H | 3/9 Design control — primary reference U.S. Government activity |
NSN 5331-01-650-3425 is a O-Ring, manufactured by Dbr Industries, Inc. Dba Dbr Industries Inc, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-650-3425 has 6 manufacturer part numbers on file: SAE J515 HK178X0187H (Dbr Industries, Inc. Dba Dbr Industries Inc), J515 HK178X0187H (Allied Metrics Seals & Fasteners Inc), SAE J515 HK178X0187H (Allied Metrics Seals & Fasteners Inc), SAE J515 HK178 X 0187H (Sae International Dba Sae International), J515 HK178X0187H (Dbr Industries, Inc. Dba Dbr Industries Inc) and 1 more.
Key specifications for SAE J515 HK178X0187H: Part Name Assigned by Controlling Agency: O-RING A429. 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.