The O-Ring, cataloged under National Stock Number 5331-01-603-1133, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Fastenal Company Dba Fastenal Co. Government technical data includes 5 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-603-1133 |
| Primary Part Number | 66825 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Fastenal Company Dba Fastenal Co |
| Status | ACTIVE |
| Cross-Sectional Height | 0.094 INCHES NOMINAL IN |
| Outside Diameter | 0.7500 INCHES NOMINAL IN |
| Color | BLACK |
| Center Hole Diameter | 0.5625 INCHES NOMINAL IN |
| Material | RUBBER BUTADIENE NITRILE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 5331-01-603-1133 is a O-Ring, manufactured by Fastenal Company Dba Fastenal Co, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-603-1133 has 3 manufacturer part numbers on file: 1166825 (Fastenal Company Dba Fastenal Co), AC2211 (Armatec Survivability Corp Div Armatec Survivability), 66825 (Fastenal Company Dba Fastenal Co).
Key specifications for 66825: Cross-Sectional Height: 0.094 INCHES NOMINAL IN; Outside Diameter: 0.7500 INCHES NOMINAL IN; Color: BLACK; Center Hole Diameter: 0.5625 INCHES NOMINAL IN. 5 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.