The O-Ring, cataloged under National Stock Number 5331-01-455-8664, 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5 specifications, cited from the U.S. Government catalog. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-455-8664 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Status | ACTIVE |
| Cross-Sectional Height | 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN |
| Hardness Rating | 70.0 SHORE DUROMETER A NOMINAL |
| Material Document and Classification | ZZ-R-765 CLASS 2B, GRADE 70 FED SPEC SINGLE MATERIAL RESPONSE |
| Center Hole Diameter | 0.792 INCHES MINIMUM AND 0.810 INCHES MAXIMUM IN |
| Material | RUBBER SILICONE CLASS Q |
| 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 |
|---|---|
| ZZ-R-765CL2BGR70/AS568-019 | 5/9 Secondary reference U.S. Government activity |
| ZZ-R-765 | 5/9 Secondary reference U.S. Government activity |
| AS568-019 | 3/1 Design control — primary reference Sae International Dba Sae International |
| A-A-59588 CL 2B GR 70 | 4/1 Identification reference Federal Commercial Item Description Promulgated by General Services Administration Washington DC |
| AS568-019 | 5/9 Secondary reference U.S. Government activity |
NSN 5331-01-455-8664 is a O-Ring, classified under FSC 5331, O-ring. Status: active.
2 possible matches (shared part number, not a government interchangeability claim): 5331-01-669-0605, 5331-01-669-6080. Verify interchangeability with system specifications before substitution.
Key specifications for 5331-01-455-8664: Cross-Sectional Height: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN; Hardness Rating: 70.0 SHORE DUROMETER A NOMINAL; Material Document and Classification: ZZ-R-765 CLASS 2B, GRADE 70 FED SPEC SINGLE MATERIAL RESPONSE; Center Hole Diameter: 0.792 INCHES MINIMUM AND 0.810 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.