The O-Ring, cataloged under National Stock Number 5331-01-388-1528, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Allison Transmission Inc Dba Allison Transmission, Inc. The record lists 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5331-01-388-1528 |
| Primary Part Number | 29501439 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Allison Transmission Inc Dba Allison Transmission, 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 |
|---|---|
| 5HA98 | Oshkosh Defense Llc (USA) |
| 29501439 PRIMARY | Allison Transmission Inc Dba Allison Transmission, Inc (USA) |
| 10025315 | General Dynamics Land Systems - Force Protection Inc. Dba Gdls Div Gdls-Fp (USA) |
| Reference | Meaning |
|---|---|
| 5HA98 | 5/9 Secondary reference Oshkosh Corp |
NSN 5331-01-388-1528 is a O-Ring, manufactured by Allison Transmission Inc Dba Allison Transmission, Inc, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-388-1528 has 3 manufacturer part numbers on file: 5HA98 (Oshkosh Defense Llc), 29501439 (Allison Transmission Inc Dba Allison Transmission, Inc), 10025315 (General Dynamics Land Systems - Force Protection Inc. Dba Gdls Div Gdls-Fp).
Key specifications for 29501439: Special Features: 7.64 MM ID MM; End Item Identification: NSN 2320-01-097-0260 HEMTT (HEAVY EXPANDED MOBILITY TACTICAL TRUCK). 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.