The O-Ring, cataloged under National Stock Number 5331-01-573-1940, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Zf Commercial Suspension Systems & Components, Llc Dba Heavy Truck Division. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-573-1940 |
| Primary Part Number | 805-000-0290 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Zf Commercial Suspension Systems & Components, Llc Dba Heavy Truck Division |
| Status | ACTIVE |
| 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 |
|---|---|
| 805-000-0290 PRIMARY | Zf Commercial Suspension Systems & Components, Llc Dba Heavy Truck Division (USA) |
| 805-000-0290 | Sisu Defence Oy (FIN) |
| Reference | Meaning |
|---|---|
| 454-3672 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
NSN 5331-01-573-1940 is a O-Ring, manufactured by Zf Commercial Suspension Systems & Components, Llc Dba Heavy Truck Division, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-573-1940 has 2 manufacturer part numbers on file: 805-000-0290 (Zf Commercial Suspension Systems & Components, Llc Dba Heavy Truck Division), 805-000-0290 (Sisu Defence Oy).
Key specifications for 805-000-0290: Part Name Assigned by Controlling Agency: SEALING RING; End Item Identification: FOR DRIVE SHAFT. 0 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.