The O-Ring, cataloged under National Stock Number 5331-01-446-5609, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Wanner Engineering Inc. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-446-5609 |
| Primary Part Number | D25-074-2120 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Wanner Engineering Inc |
| Status | ACTIVE |
| Hardness Rating | 90.0 SHORE DUROMETER A NOMINAL |
| 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 |
|---|---|
| D35C2500001 ITEM 41 | Wanner Engineering Inc (USA) |
| D25-074-2120 PRIMARY | Wanner Engineering Inc (USA) |
NSN 5331-01-446-5609 is a O-Ring, manufactured by Wanner Engineering Inc, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-446-5609 has 2 manufacturer part numbers on file: D35C2500001 ITEM 41 (Wanner Engineering Inc), D25-074-2120 (Wanner Engineering Inc).
Key specifications for D25-074-2120: Hardness Rating: 90.0 SHORE DUROMETER A NOMINAL; 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.