The O-Ring, cataloged under National Stock Number 5331-01-595-5259, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Danfoss Power Solutions II, Llc. Government technical data includes 6 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-595-5259 |
| Primary Part Number | FF90352-20 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Danfoss Power Solutions II, Llc |
| Status | ACTIVE |
| Temp Rating | -40.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF |
| Cross-Sectional Height | 0.095 INCHES MINIMUM AND 0.101 INCHES MAXIMUM IN |
| Hardness Rating | 70.0 SHORE DUROMETER A NOMINAL |
| Material Document and Classification | ASTM D2000 ASSN STD SINGLE MATERIAL RESPONSE |
| Center Hole Diameter | 0.664 INCHES MINIMUM AND 0.674 INCHES MAXIMUM 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 |
|---|---|
| 19KP727 | Oshkosh Defense Llc (USA) |
| FF90352-20 PRIMARY | Danfoss Power Solutions II, Llc (USA) |
| Reference | Meaning |
|---|---|
| 19KP727 | 5/9 Secondary reference Oshkosh Corp |
NSN 5331-01-595-5259 is a O-Ring, manufactured by Danfoss Power Solutions II, Llc, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-595-5259 has 2 manufacturer part numbers on file: 19KP727 (Oshkosh Defense Llc), FF90352-20 (Danfoss Power Solutions II, Llc).
Key specifications for FF90352-20: Temp Rating: -40.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF; Cross-Sectional Height: 0.095 INCHES MINIMUM AND 0.101 INCHES MAXIMUM IN; Hardness Rating: 70.0 SHORE DUROMETER A NOMINAL; Material Document and Classification: ASTM D2000 ASSN STD SINGLE MATERIAL RESPONSE. 6 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.