The O-Ring, cataloged under National Stock Number 5331-00-166-1095, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. Government technical data includes 6 specifications, cited from the U.S. Government catalog. 10 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 5331-00-166-1095 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Status | ACTIVE |
| Temp Rating | -20.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF |
| Cross-Sectional Height | 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN |
| Outside Diameter | 1.504 INCHES NOMINAL IN |
| Hardness Rating | 90.0 SHORE DUROMETER A NOMINAL |
| Center Hole Diameter | 1.351 INCHES MINIMUM AND 1.377 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 |
| Reference | Meaning |
|---|---|
| M83248-2-028ES | 5/9 Secondary reference Eriks B.v. |
| AS3581-028 | 5/9 Secondary reference U.S. Government activity |
| SAE AS3581-028 | 5/1 Secondary reference Sae International Dba Sae International |
| MILR83248 | 5/9 Secondary reference U.S. Government activity |
| M83248/2-028 | 2/2 Government specification standardization U.S. Government activity |
| MIL-R-83248/2 | 4/1 Identification reference U.S. Government activity |
| 5331PL1334794 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| SAE AS3581-028 | 5/9 Secondary reference U.S. Government activity |
| AS3581-028 | 5/1 Secondary reference Sae International Dba Sae International |
| D25-035-2191 | C/1 Advisory reference — outside the item-of-supply concept Wanner Engineering Inc |
NSN 5331-00-166-1095 is a O-Ring, classified under FSC 5331, O-ring. Status: active.
2 possible matches (shared part number, not a government interchangeability claim): 5330-01-353-6135, 5331-01-541-1831. Verify interchangeability with system specifications before substitution.
Key specifications for 5331-00-166-1095: Temp Rating: -20.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF; Cross-Sectional Height: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN; Outside Diameter: 1.504 INCHES NOMINAL IN; Hardness Rating: 90.0 SHORE DUROMETER A NOMINAL. 6 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.