The Controller,air Pressure,aircraft, cataloged under National Stock Number 1660-01-464-8889, 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 Honeywell Limited Dba Honeywell Aerospace Toronto Div Aerospace-Toronto. The record lists 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | Controller,air Pressure,aircraft |
| FSC / FSG | 1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment (FSG 16) |
| Manufacturers | Honeywell Limited Dba Honeywell Aerospace Toronto Div Aerospace-Toronto (CAGE 07217); Northrop Grumman Systems Corporation (CAGE 26512); Northrop Grumman Systems Corporation (CAGE 79RG9) |
| Parameter | Value |
|---|---|
| NSN | 1660-01-464-8889 |
| Primary Part Number | 1151940-1-1 |
| Item Name | Controller,air Pressure,aircraft |
| FSC / FSG | 1660 / 16 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment |
| Manufacturer | Honeywell Limited Dba Honeywell Aerospace Toronto Div Aerospace-Toronto |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | V |
| Part Number | Manufacturer |
|---|---|
| 1151940-1-1 PRIMARY | Honeywell Limited Dba Honeywell Aerospace Toronto Div Aerospace-Toronto (CAN) |
| 123SCEC5177-1 | Northrop Grumman Systems Corporation (USA) |
| 123SCEC5177-1 | Northrop Grumman Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| 1151940-1-1 | 5/9 Secondary reference Honeywell International Inc. Div Aerospace - Torrance |
NSN 1660-01-464-8889 is a Controller,air Pressure,aircraft, manufactured by Honeywell Limited Dba Honeywell Aerospace Toronto Div Aerospace-Toronto, classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.
NSN 1660-01-464-8889 has 3 manufacturer part numbers on file: 1151940-1-1 (Honeywell Limited Dba Honeywell Aerospace Toronto Div Aerospace-Toronto), 123SCEC5177-1 (Northrop Grumman Systems Corporation), 123SCEC5177-1 (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.
NSN 1660-01-464-8889 has DEMIL Code B. 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.