The O-Ring, cataloged under National Stock Number 5331-01-277-6591, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. Government technical data includes 7 specifications, cited from the U.S. Government catalog. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-277-6591 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Status | ACTIVE |
| Cross-Sectional Height | 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN |
| Hardness Rating | 70.0 SHORE DUROMETER A MINIMUM AND 80.0 SHORE DUROMETER A MAXIMUM |
| Material Document and Classification | AMS7280 ASSN STD SINGLE MATERIAL RESPONSE OR ASTMD2000/SAE J200 ASSN STD SINGLE MATERIAL RESPONSE |
| Color | BROWN |
| Center Hole Diameter | 2.220 INCHES MINIMUM AND 2.254 INCHES MAXIMUM IN |
| Material | RUBBER POLYMETHYLENE-PERFLUOROALKYLENE CLASS FKM |
| Reference Number Differentiating Characteristics | AS DIFF BY SPEC K2617 HTE7300 PERFORMANCE RQMT TORNADO ACFT ENGINE MODEL RB199 |
| 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 |
|---|---|
| 2-140 V747-75 | 5/9 Secondary reference Parker Hannifin Gmbh O-Ring Division |
| V0747 2-140 | 3/1 Design control — primary reference Parker-Hannifin Corp Div O-Ring Division |
| 2-140 V747-75 | 5/9 Secondary reference Parker-Hannifin Corp Div O-Ring Division |
| AS3085-140 | 5/1 Secondary reference Sae International Dba Sae International |
| AS3085-140 | 5/9 Secondary reference U.S. Government activity |
NSN 5331-01-277-6591 is a O-Ring, classified under FSC 5331, O-ring. Status: active.
Key specifications for 5331-01-277-6591: Cross-Sectional Height: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN; Hardness Rating: 70.0 SHORE DUROMETER A MINIMUM AND 80.0 SHORE DUROMETER A MAXIMUM; Material Document and Classification: AMS7280 ASSN STD SINGLE MATERIAL RESPONSE OR ASTMD2000/SAE J200 ASSN STD SINGLE MATERIAL RESPONSE; Color: BROWN. 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.