The O-Ring, cataloged under National Stock Number 5331-00-082-0567, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-00-082-0567 |
| Primary Part Number | 20A11CMSSPEC |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions |
| Status | ACTIVE |
| Cross-Sectional Height | 0.188 INCHES NOMINAL IN |
| 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 |
|---|---|
| W247462PC456D | Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA) |
| 20A11CMSSPEC PRIMARY | Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions (USA) |
| Reference | Meaning |
|---|---|
| W247462PC456D | 5/9 Secondary reference Ingersoll Rand Co |
| 20A11CMS-SPEC | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| W247462PC456D | 5/9 Secondary reference U.S. Government activity |
| 20A11CMSSPEC | 3/9 Design control — primary reference Siemens Energy, Inc. Dba Dresser-Rand |
| 20A11CMSSPEC | 5/9 Secondary reference U.S. Government activity |
| 20A11CMSSPEC | 5/9 Secondary reference Ingersoll Rand Co |
NSN 5331-00-082-0567 is a O-Ring, manufactured by Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions, classified under FSC 5331, O-ring. Status: active.
NSN 5331-00-082-0567 has 2 manufacturer part numbers on file: W247462PC456D (Curtiss-Wright Electro-Mechanical Corporation Div Epd), 20A11CMSSPEC (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions).
Key specifications for 20A11CMSSPEC: Cross-Sectional Height: 0.188 INCHES NOMINAL IN; 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.