The O-Ring, cataloged under National Stock Number 5331-01-592-9241, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-592-9241 |
| Primary Part Number | 4000-0444 |
| 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 |
|---|---|
| 4000-0444 PRIMARY | Cincinnati Gearing Systems Inc (USA) |
| 15-0500-04414 FIND NO 104 | Cincinnati Gearing Systems Inc (USA) |
| Reference | Meaning |
|---|---|
| 9000-0246 | D/9 Drawing number reference only Cincinnati Gearing Systems Inc |
NSN 5331-01-592-9241 is a O-Ring, manufactured by Cincinnati Gearing Systems Inc, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-592-9241 has 2 manufacturer part numbers on file: 4000-0444 (Cincinnati Gearing Systems Inc), 15-0500-04414 FIND NO 104 (Cincinnati Gearing Systems Inc).
5 possible matches (shared part number, not a government interchangeability claim): 5331-01-592-9245, 5330-01-592-9451, 5330-01-592-9454. Verify interchangeability with system specifications before substitution.
Key specifications for 4000-0444: Part Name Assigned by Controlling Agency: SEAL,O-RING,0.139 DIA X 51.7 INCH LONG,VITON IN; End Item Identification: GEAR BOX. 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.