The O-Ring, cataloged under National Stock Number 5331-00-580-8624, 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-00-580-8624 |
| Primary Part Number | 8527422 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | General Motors Corp |
| Status | ACTIVE |
| Cross-Sectional Height | 0.202 INCHES MINIMUM AND 0.218 INCHES MAXIMUM IN |
| Center Hole Diameter | 13.380 INCHES MINIMUM AND 13.500 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 |
| Part Number | Manufacturer |
|---|---|
| 8527422 | General Motors Corp (USA) |
| 8527422PCALL | General Motors Corp (USA) |
| Reference | Meaning |
|---|---|
| 8527422PCALL | 5/9 Secondary reference General Motors Corp Harrison Radiator Div |
| 8527422 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| 8527422 | 3/9 Design control — primary reference General Motors Corp Harrison Radiator Div |
NSN 5331-00-580-8624 is a O-Ring, manufactured by General Motors Corp, classified under FSC 5331, O-ring. Status: active.
NSN 5331-00-580-8624 has 2 manufacturer part numbers on file: 8527422 (General Motors Corp), 8527422PCALL (General Motors Corp).
Key specifications for 8527422: Cross-Sectional Height: 0.202 INCHES MINIMUM AND 0.218 INCHES MAXIMUM IN; Center Hole Diameter: 13.380 INCHES MINIMUM AND 13.500 INCHES MAXIMUM IN; 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.