The Diaphragm,valve,flat, cataloged under National Stock Number 1660-01-701-0369, 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 Cherokee Nation Aerospace & Defense Llc. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Diaphragm,valve,flat |
| FSC / FSG | 1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment (FSG 16) |
| Manufacturers | Cherokee Nation Aerospace & Defense Llc (CAGE 82ML8); Northrop Grumman Systems Corporation (CAGE 79RG9) |
| Parameter | Value |
|---|---|
| NSN | 1660-01-701-0369 |
| Primary Part Number | 123CS10612-11 |
| Item Name | Diaphragm,valve,flat |
| FSC / FSG | 1660 / 16 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment |
| Manufacturer | Cherokee Nation Aerospace & Defense Llc |
| 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 |
|---|---|
| 123CS10612-11 PRIMARY | Cherokee Nation Aerospace & Defense Llc (USA) |
| 123CS10612-11 | Northrop Grumman Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| 123CS10612 | D/9 Drawing number reference only Northrop Grumman Systems Corporation |
NSN 1660-01-701-0369 is a Diaphragm,valve,flat, manufactured by Cherokee Nation Aerospace & Defense Llc, classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.
NSN 1660-01-701-0369 has 2 manufacturer part numbers on file: 123CS10612-11 (Cherokee Nation Aerospace & Defense Llc), 123CS10612-11 (Northrop Grumman Systems Corporation).
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.