The O-Ring, cataloged under National Stock Number 5331-01-595-4805, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Cincinnati Gearing Systems Inc. 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 | 5331-01-595-4805 |
| Primary Part Number | 4000-0445 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Cincinnati Gearing Systems 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 |
|---|---|
| 4000-0445 PRIMARY | Cincinnati Gearing Systems Inc (USA) |
| 15-0500-04414 FIND NO 107 | Cincinnati Gearing Systems Inc (USA) |
NSN 5331-01-595-4805 is a O-Ring, manufactured by Cincinnati Gearing Systems Inc, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-595-4805 has 2 manufacturer part numbers on file: 4000-0445 (Cincinnati Gearing Systems Inc), 15-0500-04414 FIND NO 107 (Cincinnati Gearing Systems Inc).
Key specifications for 4000-0445: Special Features: DIAMETER:0.139 INCH; MATERIAL:VITON IN; Part Name Assigned by Controlling Agency: SEAL O-RING; End Item Identification: GEARBOX MAIN REDUCTION, 23088199. 0 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.