The O-Ring, cataloged under National Stock Number 5331-01-512-5683, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Lubriquip Inc Dba Lubriquip, Inc., a Unit of Idex. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-512-5683 |
| Primary Part Number | 422-210-040 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Lubriquip Inc Dba Lubriquip, Inc., a Unit of Idex |
| Status | ACTIVE |
| Hardness Rating | 90.0 SHORE DUROMETER A NOMINAL |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR |
| 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 |
|---|---|
| 422-210-040 PRIMARY | Lubriquip Inc Dba Lubriquip, Inc., a Unit of Idex (USA) |
| Reference | Meaning |
|---|---|
| 422-210-040 | 5/9 Secondary reference U.S. Government activity |
| 19A11C04 | 5/9 Secondary reference Siemens Energy, Inc. Dba Dresser-Rand |
| 19A11C04 | C/1 Advisory reference — outside the item-of-supply concept Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions |
| 422-210-040 | 5/9 Secondary reference Siemens Energy, Inc. Dba Dresser-Rand |
NSN 5331-01-512-5683 is a O-Ring, manufactured by Lubriquip Inc Dba Lubriquip, Inc., a Unit of Idex, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-512-5683 has 1 manufacturer part number on file: 422-210-040 (Lubriquip Inc Dba Lubriquip, Inc., a Unit of Idex).
Key specifications for 422-210-040: Hardness Rating: 90.0 SHORE DUROMETER A NOMINAL; End Item Identification: CIRCUIT BREAKER; Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR. 2 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.