The O-Ring, cataloged under National Stock Number 5331-01-538-3486, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 2 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-538-3486 |
| Primary Part Number | 12474029-8 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Center Hole Diameter | 15.030 INCHES NOMINAL IN |
| Material | RUBBER ETHYLENE-PROPYLENE-DIENE CLASS EPDM |
| 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 |
|---|---|
| V951447-8 | United Seal & Rubber Company, Inc. Dba United Seal & Rubber Co Inc (USA) |
| 12474029-8 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
NSN 5331-01-538-3486 is a O-Ring, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-538-3486 has 2 manufacturer part numbers on file: V951447-8 (United Seal & Rubber Company, Inc. Dba United Seal & Rubber Co Inc), 12474029-8 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 12474029-8: Center Hole Diameter: 15.030 INCHES NOMINAL IN; Part Name Assigned by Controlling Agency: O-RING; End Item Identification: GUNNER'S CONTROL AND DISP; Material: RUBBER ETHYLENE-PROPYLENE-DIENE CLASS EPDM. 2 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.