The O-Ring, cataloged under National Stock Number 5331-00-531-4533, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is General Motors Corp. 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-00-531-4533 |
| Primary Part Number | 6515152 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | General Motors Corp |
| Status | ACTIVE |
| Cross-Sectional Height | 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN |
| Center Hole Diameter | 1.730 INCHES MINIMUM AND 1.740 INCHES MAXIMUM IN |
| Material | RUBBER |
| 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 |
|---|---|
| 6515152 | General Motors Corp (USA) |
| 6515152 | Kaiser Marquardt (USA) |
| Reference | Meaning |
|---|---|
| 6515152 | 3/9 Design control — primary reference Aeroproducts Opns of Allison Div of General Motors Corp |
| 6515152 | 5/9 Secondary reference Allison Transmission Inc Dba Allison Transmission, Inc |
| 6515152 | 5/2 Secondary reference U.S. Government activity |
| 6515152 | 5/9 Secondary reference Associated Aerospace Activities Inc |
NSN 5331-00-531-4533 is a O-Ring, manufactured by General Motors Corp, classified under FSC 5331, O-ring. Status: active.
NSN 5331-00-531-4533 has 2 manufacturer part numbers on file: 6515152 (General Motors Corp), 6515152 (Kaiser Marquardt).
1 possible match (shared part number, not a government interchangeability claim): 5331-01-422-3692. Verify interchangeability with system specifications before substitution.
Key specifications for 6515152: Cross-Sectional Height: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN; Center Hole Diameter: 1.730 INCHES MINIMUM AND 1.740 INCHES MAXIMUM IN; Material: RUBBER. 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.