The O-Ring, cataloged under National Stock Number 5331-01-510-7271, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Circor Aerospace Inc. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-510-7271 |
| Primary Part Number | SE-10142 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Circor Aerospace Inc |
| Status | ACTIVE |
| Cross-Sectional Height | 0.139 INCHES NOMINAL IN |
| Center Hole Diameter | 0.859 INCHES NOMINAL IN |
| Material | RUBBER |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| SE-10142 PRIMARY | Circor Aerospace Inc (USA) |
| Reference | Meaning |
|---|---|
| 10142 | 5/9 Secondary reference Circor Aerospace, Inc. Dba Sei Products |
| SE-10142 | 3/9 Design control — primary reference Circor Aerospace, Inc. Dba Sei Products |
NSN 5331-01-510-7271 is a O-Ring, manufactured by Circor Aerospace Inc, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-510-7271 has 1 manufacturer part number on file: SE-10142 (Circor Aerospace Inc).
Key specifications for SE-10142: Cross-Sectional Height: 0.139 INCHES NOMINAL IN; Center Hole Diameter: 0.859 INCHES NOMINAL IN; Material: RUBBER. 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.