The O-Ring, cataloged under National Stock Number 5331-01-008-6817, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. Government technical data includes 5 specifications, cited from the U.S. Government catalog. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-008-6817 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Status | ACTIVE |
| Cross-Sectional Height | 0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN |
| Hardness Rating | 60.0 SHORE DUROMETER A MINIMUM AND 70.0 SHORE DUROMETER A MAXIMUM |
| Material Document and Classification | AMS-7271 ASSN STD SINGLE MATERIAL RESPONSE |
| Center Hole Diameter | 4.085 INCHES MINIMUM AND 4.115 INCHES MAXIMUM IN |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| AS3578-346 | 5/9 Secondary reference U.S. Government activity |
| MS9021-346 | 2/2 Government specification standardization U.S. Government activity |
| 2-346 N506-65 | 5/9 Secondary reference Parker Hannifin Gmbh O-Ring Division |
| AS3578-346 | 5/1 Secondary reference Sae International Dba Sae International |
| PWA51984-24 | 5/1 Secondary reference Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| PRP568-346-4024-65 | 5/1 Secondary reference Parco, Llc |
| 2-346 N506-65 | 5/1 Secondary reference Parker-Hannifin Corp Div O-Ring Division |
NSN 5331-01-008-6817 is a O-Ring, classified under FSC 5331, O-ring. Status: active.
Key specifications for 5331-01-008-6817: Cross-Sectional Height: 0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN; Hardness Rating: 60.0 SHORE DUROMETER A MINIMUM AND 70.0 SHORE DUROMETER A MAXIMUM; Material Document and Classification: AMS-7271 ASSN STD SINGLE MATERIAL RESPONSE; Center Hole Diameter: 4.085 INCHES MINIMUM AND 4.115 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.