The O-Ring, cataloged under National Stock Number 5331-01-151-7291, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Rockford Powertrain Inc Div Powertrain Rockford, Inc.. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | O-Ring |
| FSC / FSG | 5331 — O-ring (FSG 53) |
| Manufacturers | Oshkosh Defense Llc (CAGE 75Q65); Rockford Powertrain Inc Div Powertrain Rockford, Inc. (CAGE 77873) |
| Parameter | Value |
|---|---|
| NSN | 5331-01-151-7291 |
| Primary Part Number | 2-21264 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Rockford Powertrain Inc Div Powertrain Rockford, Inc. |
| 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 |
|---|---|
| 2AT283 | Oshkosh Defense Llc (USA) |
| 2-21264 PRIMARY | Rockford Powertrain Inc Div Powertrain Rockford, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 2-762-596-21264 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| 2AT283 | 5/9 Secondary reference Oshkosh Corp |
NSN 5331-01-151-7291 is a O-Ring, manufactured by Rockford Powertrain Inc Div Powertrain Rockford, Inc., classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-151-7291 has 2 manufacturer part numbers on file: 2AT283 (Oshkosh Defense Llc), 2-21264 (Rockford Powertrain Inc Div Powertrain Rockford, Inc.).
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.