The Valve Shaft,stop,regulator, cataloged under National Stock Number 1660-01-043-7456, 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 International, Inc Div Aerospace-Tucson. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
| Parameter | Value |
|---|---|
| NSN | 1660-01-043-7456 |
| Primary Part Number | 139614-1 |
| Item Name | Valve Shaft,stop,regulator |
| FSC / FSG | 1660 / 16 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment |
| Manufacturer | Honeywell International, Inc Div Aerospace-Tucson |
| Status | ACTIVE |
| General Characteristics Item Description | ALUMINUM ALLOY A380 QQ-A-591,2.395 IN. MAX 2.385 IN. MIN DIA,1.050 IN. MAX 1.040 IN. MIN H,WALL THICKNESS 0.090-0.110 IN.,MAY BE MADE FROM P/N 137568 IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 139614-1 PRIMARY | Honeywell International, Inc Div Aerospace-Tucson (USA) |
| Reference | Meaning |
|---|---|
| 139614-1 | 5/9 Secondary reference Honeywell International Inc. Div Aerospace - Torrance |
NSN 1660-01-043-7456 is a Valve Shaft,stop,regulator, manufactured by Honeywell International, Inc Div Aerospace-Tucson, classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.
NSN 1660-01-043-7456 has 1 manufacturer part number on file: 139614-1 (Honeywell International, Inc Div Aerospace-Tucson).
Key specifications for 139614-1: General Characteristics Item Description: ALUMINUM ALLOY A380 QQ-A-591,2.395 IN. MAX 2.385 IN. MIN DIA,1.050 IN. MAX 1.040 IN. MIN H,WALL THICKNESS 0.090-0.110 IN.,MAY BE MADE FROM P/N 137568 IN; Special Features: ACTION ID 45314309; End Item Identification: 1660010061601. 1 specification is 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 1660-01-043-7456 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.