The O-Ring, cataloged under National Stock Number 5331-01-515-7782, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Duchesne, Inc. Dba Max-Air. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-515-7782 |
| Primary Part Number | B90-7 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Duchesne, Inc. Dba Max-Air |
| Status | ACTIVE |
| 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 |
|---|---|
| B90-7 PRIMARY | Duchesne, Inc. Dba Max-Air (USA) |
NSN 5331-01-515-7782 is a O-Ring, manufactured by Duchesne, Inc. Dba Max-Air, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-515-7782 has 1 manufacturer part number on file: B90-7 (Duchesne, Inc. Dba Max-Air).
Key specifications for B90-7: Part Name Assigned by Controlling Agency: FIRST STAGE O-RING; End Item Identification: HIGH PRESSURE COMPRESSOR. 0 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.