The O-Ring, cataloged under National Stock Number 5331-01-273-8383, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Oakland Industries Ltd. Government technical data includes 1 specification, 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 | 5331-01-273-8383 |
| Primary Part Number | 12335663-3 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Oakland Industries Ltd |
| Status | ACTIVE |
| Center Hole Diameter | 0.375 INCHES NOMINAL IN |
| 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 |
|---|---|
| 12335663-3 PRIMARY | Oakland Industries Ltd (USA) |
| 12335663-3 | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
NSN 5331-01-273-8383 is a O-Ring, manufactured by Oakland Industries Ltd, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-273-8383 has 2 manufacturer part numbers on file: 12335663-3 (Oakland Industries Ltd), 12335663-3 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 12335663-3: Center Hole Diameter: 0.375 INCHES NOMINAL IN. 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.