The O-Ring, cataloged under National Stock Number 5331-01-191-4542, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Cleveland Gear Company, Inc. Dba Cleveland Gear Co. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | O-Ring |
| FSC / FSG | 5331 — O-ring (FSG 53) |
| Manufacturers | Cleveland Gear Company, Inc. Dba Cleveland Gear Co (CAGE 59958) |
| Parameter | Value |
|---|---|
| NSN | 5331-01-191-4542 |
| Primary Part Number | 413112-2 ITEM 32 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Cleveland Gear Company, Inc. Dba Cleveland Gear Co |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 413112-2 ITEM 32 | Cleveland Gear Company, Inc. Dba Cleveland Gear Co (USA) |
| 1-223129 | Cleveland Gear Company, Inc. Dba Cleveland Gear Co (USA) |
| Reference | Meaning |
|---|---|
| 6223129 | 5/9 Secondary reference Dresser Industries Inc Waukesha Engine Div |
| 1-223129 | 3/9 Design control — primary reference U.S. Government activity |
| 413112-2 ITEM 32 | 5/9 Secondary reference U.S. Government activity |
NSN 5331-01-191-4542 is a O-Ring, manufactured by Cleveland Gear Company, Inc. Dba Cleveland Gear Co, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-191-4542 has 2 manufacturer part numbers on file: 413112-2 ITEM 32 (Cleveland Gear Company, Inc. Dba Cleveland Gear Co), 1-223129 (Cleveland Gear Company, Inc. Dba Cleveland Gear Co).
1 possible match (shared part number, not a government interchangeability claim): 5331-01-269-6153. Verify interchangeability with system specifications before substitution.
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.