The O-Ring, cataloged under National Stock Number 5331-01-439-6677, 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. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 4 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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.
| Parameter | Value |
|---|---|
| NSN | 5331-01-439-6677 |
| Primary Part Number | 29524448 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Allison Transmission Inc Dba Allison Transmission, Inc |
| Status | ACTIVE |
| Center Hole Diameter | 985.32 MILLIMETERS NOMINAL MM |
| 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 |
|---|---|
| 9HR355 | Oshkosh Defense Llc (USA) |
| 2002312 | General Dynamics Land Systems - Force Protection Inc. Dba Gdls Div Gdls-Fp (USA) |
| 29524448 PRIMARY | Allison Transmission Inc Dba Allison Transmission, Inc (USA) |
| 2002312 | Goriziane Group Spa (ITA) |
| Reference | Meaning |
|---|---|
| 5331PL2147419 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 9HR355 | 5/9 Secondary reference Oshkosh Corp |
NSN 5331-01-439-6677 is a O-Ring, manufactured by Allison Transmission Inc Dba Allison Transmission, Inc, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-439-6677 has 4 manufacturer part numbers on file: 9HR355 (Oshkosh Defense Llc), 2002312 (General Dynamics Land Systems - Force Protection Inc. Dba Gdls Div Gdls-Fp), 29524448 (Allison Transmission Inc Dba Allison Transmission, Inc), 2002312 (Goriziane Group Spa).
Key specifications for 29524448: Center Hole Diameter: 985.32 MILLIMETERS NOMINAL MM; End Item Identification: 2320-01-097-0260 HEMTT (HEAVY EXPANDED MOBILITY TACTICAL TRUCK). 1 specification is 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.