The O-Ring, cataloged under National Stock Number 5331-01-495-5545, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. Government technical data includes 4 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-495-5545 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Status | ACTIVE |
| Cross-Sectional Height | 0.070 INCHES NOMINAL IN |
| Criticality Code Justification | FEAT |
| Center Hole Diameter | 0.614 INCHES NOMINAL IN |
| Material | PLASTIC POLYTETRAFLUOROETHYLENE |
| 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 |
|---|---|
| D001-015 ITEM NO 5 | 3/2 Design control — primary reference U.S. Government activity |
| D001-015 | D/9 Drawing number reference only U.S. Government activity |
| 2-16TEFLON | 5/2 Secondary reference U.S. Government activity |
| 2-016TEFLON | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
NSN 5331-01-495-5545 is a O-Ring, classified under FSC 5331, O-ring. Status: active.
Key specifications for 5331-01-495-5545: Cross-Sectional Height: 0.070 INCHES NOMINAL IN; Criticality Code Justification: FEAT; Special Features: CLEAN FOR OXYGEN SERVICE PER D661-1249 OR MIL-I-52211,CLASS A; Center Hole Diameter: 0.614 INCHES NOMINAL IN. 4 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.