The O-Ring, cataloged under National Stock Number 5331-00-451-6270, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Freudenberg-Nok General Partnership. Government technical data includes 5 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5331-00-451-6270 |
| Primary Part Number | 2532499-214 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Freudenberg-Nok General Partnership |
| Status | ACTIVE |
| Cross-Sectional Height | 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN |
| Outside Diameter | 1.262 INCHES NOMINAL IN |
| Hardness Rating | 87.0 SHORE DUROMETER A MINIMUM AND 97.0 SHORE DUROMETER A MAXIMUM |
| Center Hole Diameter | 0.978 INCHES MINIMUM AND 0.990 INCHES MAXIMUM IN |
| Material | RUBBER 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 |
|---|---|
| 2532499-214 | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| 2532499-214 PRIMARY | Freudenberg-Nok General Partnership (USA) |
| Reference | Meaning |
|---|---|
| ARP568-214IDSA9250 | 3/9 Design control — primary reference Freudenberg-Nok General Partnership |
NSN 5331-00-451-6270 is a O-Ring, manufactured by Freudenberg-Nok General Partnership, classified under FSC 5331, O-ring. Status: active.
NSN 5331-00-451-6270 has 2 manufacturer part numbers on file: 2532499-214 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 2532499-214 (Freudenberg-Nok General Partnership).
Key specifications for 2532499-214: Cross-Sectional Height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN; Outside Diameter: 1.262 INCHES NOMINAL IN; Hardness Rating: 87.0 SHORE DUROMETER A MINIMUM AND 97.0 SHORE DUROMETER A MAXIMUM; Center Hole Diameter: 0.978 INCHES MINIMUM AND 0.990 INCHES MAXIMUM IN. 5 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.