The O-Ring, cataloged under National Stock Number 5331-01-631-8305, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Contract Fabrication and Design, Llc. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
| Item Name | O-Ring |
| FSC / FSG | 5331 — O-ring (FSG 53) |
| Manufacturers | Contract Fabrication and Design, Llc (CAGE 0DZR6) |
| Parameter | Value |
|---|---|
| NSN | 5331-01-631-8305 |
| Primary Part Number | 6071-A102-135 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Contract Fabrication and Design, Llc |
| Status | ACTIVE |
| 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 |
|---|---|
| 6071-A102-135 PRIMARY | Contract Fabrication and Design, Llc (USA) |
| Reference | Meaning |
|---|---|
| 1-9743 | 5/9 Secondary reference Corley Gasket Co. |
NSN 5331-01-631-8305 is a O-Ring, manufactured by Contract Fabrication and Design, Llc, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-631-8305 has 1 manufacturer part number on file: 6071-A102-135 (Contract Fabrication and Design, Llc).
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.