The Disk,frangible, cataloged under National Stock Number 1660-01-138-8629, is classified within Federal Supply Class 1660 (Aircraft Air Conditioning, Heating, and Pressurizing Equipment) of the Aircraft Components and Accessories group. The manufacturer of record is Mission Systems Orchard Park Inc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1660-01-138-8629 |
| Primary Part Number | 7401004-1 |
| Item Name | Disk,frangible |
| FSC / FSG | 1660 / 16 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment |
| Manufacturer | Mission Systems Orchard Park Inc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 7401004-1 PRIMARY | Mission Systems Orchard Park Inc (USA) |
| Reference | Meaning |
|---|---|
| 7401004-1 | 5/9 Secondary reference American Safety Flight Systems Inc |
| 7401004-1 | 5/9 Secondary reference Conax Florida Corporation |
| 8148650 | A/1 Packaging identification reference U.S. Government activity |
NSN 1660-01-138-8629 is a Disk,frangible, manufactured by Mission Systems Orchard Park Inc, classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.
NSN 1660-01-138-8629 has 1 manufacturer part number on file: 7401004-1 (Mission Systems Orchard Park Inc).
Key specifications for 7401004-1: End Item Identification: USED ON REDUCER ASSEMBLY,PORTABLEOXYGEN SYSTEM,P/N 8020008-1;END ITEM APPL OXYGEN SYSTEM,PORTABLE. 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.
NSN 1660-01-138-8629 has DEMIL Code D. Demilitarization may be required before disposal or transfer to non-military entities.
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.