The O-Ring, cataloged under National Stock Number 5331-01-479-2038, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Oshkosh Defense Llc. Government technical data includes 3 specifications, cited from the U.S. Government catalog. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5331-01-479-2038 |
| Primary Part Number | 7HB432 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Oshkosh Defense Llc |
| Status | ACTIVE |
| Cross-Sectional Height | 0.098 INCHES MINIMUM AND 0.108 INCHES MAXIMUM IN |
| Center Hole Diameter | 0.544 INCHES MINIMUM AND 0.554 INCHES MAXIMUM IN |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 5331-01-479-2038 is a O-Ring, manufactured by Oshkosh Defense Llc, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-479-2038 has 2 manufacturer part numbers on file: 7HB432 (Oshkosh Defense Llc), 568-113 (Haltec Corp).
Key specifications for 7HB432: Cross-Sectional Height: 0.098 INCHES MINIMUM AND 0.108 INCHES MAXIMUM IN; Center Hole Diameter: 0.544 INCHES MINIMUM AND 0.554 INCHES MAXIMUM IN; End Item Identification: 2320-01-465-2174; Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR. 3 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.