The O-Ring, cataloged under National Stock Number 5331-01-641-8061, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is S a I Hydraulics Inc. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-641-8061 |
| Primary Part Number | 0402.005 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | S a I Hydraulics Inc |
| Status | ACTIVE |
| 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 |
|---|---|
| 135-00-10000-4F POS. 36 | S a I Hydraulics Inc (USA) |
| WRC60-C POS 10 | S a I Hydraulics Inc (USA) |
| 0402.005 PRIMARY | S a I Hydraulics Inc (USA) |
| 0402.005 | Fluid Gear Products, Llc (USA) |
NSN 5331-01-641-8061 is a O-Ring, manufactured by S a I Hydraulics Inc, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-641-8061 has 4 manufacturer part numbers on file: 135-00-10000-4F POS. 36 (S a I Hydraulics Inc), WRC60-C POS 10 (S a I Hydraulics Inc), 0402.005 (S a I Hydraulics Inc), 0402.005 (Fluid Gear Products, Llc).
Key specifications for 0402.005: End Item Identification: GEAR, REDUCER; Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR. 1 specification is 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.