The O-Ring, cataloged under National Stock Number 5331-01-645-1067, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Industrial Specialties Mfg Inc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | Industrial Specialties Mfg Inc (CAGE 9R925) |
| Parameter | Value |
|---|---|
| NSN | 5331-01-645-1067 |
| Primary Part Number | 2-145 NL151-50 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Industrial Specialties Mfg Inc |
| 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 |
|---|---|
| 2-145 NL151-50 PRIMARY | Industrial Specialties Mfg Inc (USA) |
| Reference | Meaning |
|---|---|
| 13054998 | 7/2 Vendor item drawing reference Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate |
NSN 5331-01-645-1067 is a O-Ring, manufactured by Industrial Specialties Mfg Inc, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-645-1067 has 1 manufacturer part number on file: 2-145 NL151-50 (Industrial Specialties Mfg Inc).
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.