The O-Ring, cataloged under National Stock Number 5331-01-425-1927, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. Government technical data includes 3 specifications, cited from the U.S. Government catalog. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5331-01-425-1927 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Status | ACTIVE |
| Cross-Sectional Height | 5.7 MILLIMETERS NOMINAL MM |
| Hardness Rating | 70.0 SHORE DUROMETER A NOMINAL |
| Center Hole Diameter | 109.1 MILLIMETERS NOMINAL MM |
| 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 |
|---|---|
| P1-14280 PC29 | C/1 Advisory reference — outside the item-of-supply concept Macgregor Sweden Ab |
| SMS1586109.1X5.7 | 5/9 Secondary reference Trelleborg Ersmark Ab |
| P1-14280 PC29 | 5/9 Secondary reference Macgregor Sweden Ab |
| 21-10612 IT 15 | C/1 Advisory reference — outside the item-of-supply concept Macgregor Sweden Ab |
| 21-10612 IT 15 | 5/9 Secondary reference Macgregor Sweden Ab |
| 461324 | C/1 Advisory reference — outside the item-of-supply concept Trelleborg Ersmark Ab |
| 461324 | 3/9 Design control — primary reference Trelleborg Ersmark Ab |
NSN 5331-01-425-1927 is a O-Ring, classified under FSC 5331, O-ring. Status: active.
Key specifications for 5331-01-425-1927: Cross-Sectional Height: 5.7 MILLIMETERS NOMINAL MM; Hardness Rating: 70.0 SHORE DUROMETER A NOMINAL; Center Hole Diameter: 109.1 MILLIMETERS NOMINAL MM. 3 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.