The O-Ring, cataloged under National Stock Number 5331-01-515-1221, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Sae International Dba Sae International. Government technical data includes 7 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-515-1221 |
| Primary Part Number | M83485/1-475 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Sae International Dba Sae International |
| Status | ACTIVE |
| Temp Rating | -40.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF |
| Cross-Sectional Height | 0.269 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN |
| Hardness Rating | 80.0 SHORE DUROMETER A NOMINAL |
| Material Document and Classification | AMS-R-83485 ASSN STD SINGLE MATERIAL RESPONSE |
| Specification/standard Data | 81349-MIL-R-83485 NOTICE 3/CANCELLED/ GOVERNMENT SPECIFICATION |
| Center Hole Diameter | 25.820 INCHES MINIMUM AND 26.060 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 | X |
| Part Number | Manufacturer |
|---|---|
| 901-6410701-97 | Naval Sea Systems Command (USA) |
| M83485/1-475 PRIMARY | Sae International Dba Sae International (USA) |
| 211070237 | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| M83485/1-475 | 3/9 Design control — primary reference U.S. Government activity |
| M83485/1-475 | 5/9 Secondary reference U.S. Government activity |
NSN 5331-01-515-1221 is a O-Ring, manufactured by Sae International Dba Sae International, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-515-1221 has 3 manufacturer part numbers on file: 901-6410701-97 (Naval Sea Systems Command), M83485/1-475 (Sae International Dba Sae International), 211070237 (Naval Sea Systems Command).
Key specifications for M83485/1-475: Temp Rating: -40.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF; Cross-Sectional Height: 0.269 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN; Hardness Rating: 80.0 SHORE DUROMETER A NOMINAL; Material Document and Classification: AMS-R-83485 ASSN STD SINGLE MATERIAL RESPONSE. 7 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.