The O-Ring, cataloged under National Stock Number 5331-01-590-9683, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 4 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 | 5331-01-590-9683 |
| Primary Part Number | 2532499-452 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Cross-Sectional Height | 0.269 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN |
| Hardness Rating | 87.0 SHORE DUROMETER A MINIMUM AND 97.0 SHORE DUROMETER A MAXIMUM |
| Center Hole Diameter | 11.445 INCHES MINIMUM AND 11.505 INCHES MAXIMUM IN |
| Material | PLASTIC POLYURETHANE |
| 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 |
|---|---|
| 2532499-452 | Freudenberg-Nok General Partnership (USA) |
| 2532499-452 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
NSN 5331-01-590-9683 is a O-Ring, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-590-9683 has 2 manufacturer part numbers on file: 2532499-452 (Freudenberg-Nok General Partnership), 2532499-452 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
Key specifications for 2532499-452: Cross-Sectional Height: 0.269 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN; Hardness Rating: 87.0 SHORE DUROMETER A MINIMUM AND 97.0 SHORE DUROMETER A MAXIMUM; Special Features: MATERIAL:POLYUREYHANE ELASTOMER; TENSILE STRENGTH:6200 PSI; Center Hole Diameter: 11.445 INCHES MINIMUM AND 11.505 INCHES MAXIMUM IN. 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.