The O-Ring, cataloged under National Stock Number 5331-01-512-8642, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. Government technical data includes 8 specifications, cited from the U.S. Government catalog. 9 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-512-8642 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Status | ACTIVE |
| Temp Rating | -15.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF |
| Cross-Sectional Height | 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN |
| Hardness Rating | 85.0 SHORE DUROMETER A MINIMUM AND 95.0 SHORE DUROMETER A MAXIMUM |
| Criticality Code Justification | FEAT |
| Material Document and Classification | SAE AMS7259 ASSN STD SINGLE MATERIAL RESPONSE |
| Specification/standard Data | 03950-AS3209 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION |
| Center Hole Diameter | 2.960 INCHES MINIMUM AND 3.008 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 |
| Reference | Meaning |
|---|---|
| AS3581-234CP | 3/1 Design control — primary reference Sae International Dba Sae International |
| SAE-AS3581 | 3/1 Design control — primary reference Sae International Dba Sae International |
| M83248/2-234 | 5/9 Secondary reference U.S. Government activity |
| AS3209-234CP | 5/9 Secondary reference Sae International Dba Sae International |
| M83248/2-234CP | 5/9 Secondary reference Naval Inventory Control Point Mechanicsburg |
| AS3209-234CP | 5/9 Secondary reference Naval Inventory Control Point Mechanicsburg |
| M83248/2-234 | 5/9 Secondary reference U.S. Government activity |
| M83248/2-234 | 5/9 Secondary reference Sae International Dba Sae International |
| AMS7259 | 5/9 Secondary reference Sae International Dba Sae International |
NSN 5331-01-512-8642 is a O-Ring, classified under FSC 5331, O-ring. Status: active.
Key specifications for 5331-01-512-8642: Temp Rating: -15.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF; Cross-Sectional Height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN; Hardness Rating: 85.0 SHORE DUROMETER A MINIMUM AND 95.0 SHORE DUROMETER A MAXIMUM; Criticality Code Justification: FEAT. 8 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.