The O-Ring, cataloged under National Stock Number 5331-01-617-6402, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Anchor Flange Company Dba Anchor Fluid Power. Government technical data includes 3 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-617-6402 |
| Primary Part Number | 222 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Anchor Flange Company Dba Anchor Fluid Power |
| Status | ACTIVE |
| Nondefinitive Spec/std Data | 1.250 SIZE AND 0.125 THICKNESS |
| Center Hole Diameter | 1.500 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 |
| Part Number | Manufacturer |
|---|---|
| 0R2-222B#20 | Anchor Flange Company Dba Anchor Fluid Power (USA) |
| 222 PRIMARY | Anchor Flange Company Dba Anchor Fluid Power (USA) |
NSN 5331-01-617-6402 is a O-Ring, manufactured by Anchor Flange Company Dba Anchor Fluid Power, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-617-6402 has 2 manufacturer part numbers on file: 0R2-222B#20 (Anchor Flange Company Dba Anchor Fluid Power), 222 (Anchor Flange Company Dba Anchor Fluid Power).
Key specifications for 222: Nondefinitive Spec/std Data: 1.250 SIZE AND 0.125 THICKNESS; Special Features: BUNA-N O-RING;90 DUROMETER; Center Hole Diameter: 1.500 INCHES NOMINAL IN; End Item Identification: 3815015975671. 3 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.