The Valve,modulating,aircraft, cataloged under National Stock Number 1660-01-429-7070, 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 Hamilton Sundstrand Corporation Dba Collins Aerospace. Government technical data includes 2 specifications, 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1660-01-429-7070 |
| Primary Part Number | 11274-1 |
| Item Name | Valve,modulating,aircraft |
| FSC / FSG | 1660 / 16 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment |
| Manufacturer | Hamilton Sundstrand Corporation Dba Collins Aerospace |
| Status | ACTIVE |
| FSC Application Data | ACFT EQUIPEMENT COOLING |
| General Characteristics Item Description | 4.900 IN. W; 4.500 IN. L; 5.090 IN. H; 1.750 IN. DIA VALVE OPENING, ELECTRONIC IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 11274-1 PRIMARY | Hamilton Sundstrand Corporation Dba Collins Aerospace (USA) |
| Reference | Meaning |
|---|---|
| 1660PL0662077 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 11274-1 | 5/9 Secondary reference United Technologies Corp Hamilton Sundstrand Corp |
| 1660PL1625893 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 16VY010004-1 | 7/2 Vendor item drawing reference U.S. Government activity |
NSN 1660-01-429-7070 is a Valve,modulating,aircraft, manufactured by Hamilton Sundstrand Corporation Dba Collins Aerospace, classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.
NSN 1660-01-429-7070 has 1 manufacturer part number on file: 11274-1 (Hamilton Sundstrand Corporation Dba Collins Aerospace).
Key specifications for 11274-1: FSC Application Data: ACFT EQUIPEMENT COOLING; General Characteristics Item Description: 4.900 IN. W; 4.500 IN. L; 5.090 IN. H; 1.750 IN. DIA VALVE OPENING, ELECTRONIC IN; End Item Identification: F-16 AIRCRAFT. 2 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 1660-01-429-7070 has DEMIL Code Q. 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.