The O-Ring, cataloged under National Stock Number 5331-01-689-8405, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Pall Aeropower Corporation. 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 | 5331-01-689-8405 |
| Primary Part Number | AA-9500-D2078 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Pall Aeropower Corporation |
| 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 |
|---|---|
| AA-9500-D2078 PRIMARY | Pall Aeropower Corporation (USA) |
NSN 5331-01-689-8405 is a O-Ring, manufactured by Pall Aeropower Corporation, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-689-8405 has 1 manufacturer part number on file: AA-9500-D2078 (Pall Aeropower Corporation).
Key specifications for AA-9500-D2078: Part Name Assigned by Controlling Agency: O-RING; End Item Identification: CH-47F(SG) HELICOPTER. 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.