The O-Ring, cataloged under National Stock Number 5331-00-250-3859, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Goodyear Tire and Rubber Co the. Government technical data includes 4 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-00-250-3859 |
| Primary Part Number | 185N570-1 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Goodyear Tire and Rubber Co the |
| Status | ACTIVE |
| Temp Rating | -65.0 FAHRENHEIT AND 160.0 FAHRENHEIT DEGF |
| Cross-Sectional Height | 0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN |
| Center Hole Diameter | 7.990 INCHES MINIMUM AND 8.010 INCHES MAXIMUM IN |
| 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 |
|---|---|
| 185N570-1 PRIMARY | Goodyear Tire and Rubber Co the (USA) |
| Reference | Meaning |
|---|---|
| 185N570-1 | 5/9 Secondary reference Lockheed Martin Corporation Dba Lockheed Martin Div Rotary and Mission Systems |
NSN 5331-00-250-3859 is a O-Ring, manufactured by Goodyear Tire and Rubber Co the, classified under FSC 5331, O-ring. Status: active.
NSN 5331-00-250-3859 has 1 manufacturer part number on file: 185N570-1 (Goodyear Tire and Rubber Co the).
Key specifications for 185N570-1: Temp Rating: -65.0 FAHRENHEIT AND 160.0 FAHRENHEIT DEGF; Cross-Sectional Height: 0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN; Center Hole Diameter: 7.990 INCHES MINIMUM AND 8.010 INCHES MAXIMUM IN; Material: RUBBER. 4 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.