The O-Ring, cataloged under National Stock Number 5331-01-729-4436, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Deere & Company Div Deere Power Systems Group. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-729-4436 |
| Primary Part Number | R531490 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Deere & Company Div Deere Power Systems Group |
| Status | ACTIVE |
| Hardness Rating | 70.0 SHORE DUROMETER A NOMINAL |
| Center Hole Diameter | 151.76 MILLIMETERS NOMINAL MM |
| Material | RUBBER |
| 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 |
|---|---|
| R531490 PRIMARY | Deere & Company Div Deere Power Systems Group (USA) |
NSN 5331-01-729-4436 is a O-Ring, manufactured by Deere & Company Div Deere Power Systems Group, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-729-4436 has 1 manufacturer part number on file: R531490 (Deere & Company Div Deere Power Systems Group).
Key specifications for R531490: Hardness Rating: 70.0 SHORE DUROMETER A NOMINAL; Center Hole Diameter: 151.76 MILLIMETERS NOMINAL MM; End Item Identification: 1945-01-398-3856; Material: RUBBER. 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.