The O-Ring, cataloged under National Stock Number 5331-00-231-1667, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Raytheon Company Dba Raytheon Co. Government technical data includes 6 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-00-231-1667 |
| Primary Part Number | 3-908E-540-8 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Raytheon Company Dba Raytheon Co |
| Status | ACTIVE |
| Temp Rating | -70.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF |
| Cross-Sectional Height | 0.085 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN |
| Outside Diameter | 0.803 INCHES MINIMUM AND 0.833 INCHES MAXIMUM IN |
| Hardness Rating | 80.0 SHORE DUROMETER A NOMINAL |
| Center Hole Diameter | 0.639 INCHES MINIMUM AND 0.649 INCHES MAXIMUM IN |
| Material | RUBBER ETHYLENE-PROPYLENE CLASS EPM |
| 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 |
|---|---|
| 3-908E-540-8 | Raytheon Company Dba Raytheon Co (USA) |
| E0540 3-908 | Parker-Hannifin Corp Div O-Ring Division (USA) |
| 3-908E540-80 | Parker-Hannifin Corp Div O-Ring Division (USA) |
| Reference | Meaning |
|---|---|
| B82212-4 | 3/9 Design control — primary reference Emerson Process Management Valve Automation, Inc. |
| A6689.908.222 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| A6689-908-222 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| 1889622-0908 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| ARP568-908E540- 8 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
NSN 5331-00-231-1667 is a O-Ring, manufactured by Raytheon Company Dba Raytheon Co, classified under FSC 5331, O-ring. Status: active.
NSN 5331-00-231-1667 has 3 manufacturer part numbers on file: 3-908E-540-8 (Raytheon Company Dba Raytheon Co), E0540 3-908 (Parker-Hannifin Corp Div O-Ring Division), 3-908E540-80 (Parker-Hannifin Corp Div O-Ring Division).
Key specifications for 3-908E-540-8: Temp Rating: -70.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF; Cross-Sectional Height: 0.085 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN; Outside Diameter: 0.803 INCHES MINIMUM AND 0.833 INCHES MAXIMUM IN; Hardness Rating: 80.0 SHORE DUROMETER A NOMINAL. 6 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.