The O-Ring, cataloged under National Stock Number 5331-01-591-7004, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Cummins Power Generation 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
| Parameter | Value |
|---|---|
| NSN | 5331-01-591-7004 |
| Primary Part Number | 158553-51660 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Cummins Power Generation 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 |
|---|---|
| 158553-51660 PRIMARY | Cummins Power Generation Inc. (USA) |
| 158553-51660 | Yanmar America Corporation (USA) |
| Reference | Meaning |
|---|---|
| 158553-51660 | 5/9 Secondary reference Yanmar Diesel America Corp |
NSN 5331-01-591-7004 is a O-Ring, manufactured by Cummins Power Generation Inc., classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-591-7004 has 2 manufacturer part numbers on file: 158553-51660 (Cummins Power Generation Inc.), 158553-51660 (Yanmar America Corporation).
Key specifications for 158553-51660: Part Name Assigned by Controlling Agency: O-RING, P14; End Item Identification: 6115-01-561-7634 GENERATOR SET, DIESEL ENGINE. 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.