The O-Ring, cataloged under National Stock Number 5331-01-497-4148, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Rolls Royce Corp. Government technical data includes 6 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-497-4148 |
| Primary Part Number | AS3209-210 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Rolls Royce Corp |
| Status | ACTIVE |
| Cross-Sectional Height | 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN |
| Hardness Rating | 70.0 SHORE DUROMETER A MINIMUM AND 80.0 SHORE DUROMETER A MAXIMUM |
| Criticality Code Justification | AGAV |
| Material Document and Classification | SAE AMS7276 ASSN STD SINGLE MATERIAL RESPONSE OR SAE AMS7280 ASSN STD SINGLE MATERIAL RESPONSE |
| Center Hole Diameter | 0.724 INCHES MINIMUM AND 0.744 INCHES MAXIMUM IN |
| Material | RUBBER FLUOROCARBON CLASS FPM |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| AS3209-210 PRIMARY | Rolls Royce Corp (USA) |
| AS3209-210 | Ge Avio Srl (ITA) |
| AS3085-210 PRIMARY | Rolls Royce Corp (USA) |
NSN 5331-01-497-4148 is a O-Ring, manufactured by Rolls Royce Corp, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-497-4148 has 3 manufacturer part numbers on file: AS3209-210 (Rolls Royce Corp), AS3209-210 (Ge Avio Srl), AS3085-210 (Rolls Royce Corp).
Key specifications for AS3209-210: Cross-Sectional Height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN; Hardness Rating: 70.0 SHORE DUROMETER A MINIMUM AND 80.0 SHORE DUROMETER A MAXIMUM; Criticality Code Justification: AGAV; Material Document and Classification: SAE AMS7276 ASSN STD SINGLE MATERIAL RESPONSE OR SAE AMS7280 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.