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NSN 1660-01-682-7402Government record, cited

Valve Assembly, Environmental Con1660-01-682-7402

NSN 1660-01-682-7402 · NIIN 016827402 · Part number 814233-4
Hamilton Sundstrand Corporation Dba Collins Aerospace · FSC 1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment · FSG 16 — Aircraft Components and Accessories · CAGE 73030
Government record, cited
NSN 1660-01-682-7402 — this item is cataloged by the U.S. Government under National Stock Number 1660-01-682-7402. Manufacturer of record part number: 814233-4.
Also searched as  1660-01-682-7402 · 1660016827402 · NIIN 016827402 · 01-682-7402 · FSC 1660 Aircraft Air Conditioning, Heating, and Pressurizing Equipment · CAGE 73030 · 814233-4
Nearby stock numbers  ·
Features
  • Valve Assembly,environmental Con — FSC 1660
  • 1 manufacturer part number on file
  • Manufacturer of record: Hamilton Sundstrand Corporation Dba Collins Aerospace
Identification
  • NSN: 1660-01-682-7402
  • NIIN: 016827402
  • FSC: 1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment
  • FSG: 16 — Aircraft Components and Accessories
  • Primary part number: 814233-4
  • Manufacturer: Hamilton Sundstrand Corporation Dba Collins Aerospace
General Description

The Valve Assembly,environmental Con, cataloged under National Stock Number 1660-01-682-7402, 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. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN1660-01-682-7402
Primary Part Number814233-4
Item NameValve Assembly,environmental Con
FSC / FSG1660 / 16 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment
ManufacturerHamilton Sundstrand Corporation Dba Collins Aerospace
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL D — Destroy Item
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeF
Cross-Reference Index
Part NumberManufacturer
814233-4 PRIMARY Hamilton Sundstrand Corporation Dba Collins Aerospace (USA)
No interchangeability data on file.
Other items in FSC 1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
1660-00-001-1693
DUCT ASSEMBLY,AIR CONDITIONING-H
1660-00-001-1754
BAFFLE,AIR
1660-00-001-2491
CAGE,BYPASS VALVE
1660-00-001-2493
1660-00-001-2493 · Item name not on file
1660-00-001-2496
CONTROL BOX,ELECTRICAL-ELECTRONI
1660-00-001-2497
1660-00-001-2497 · Item name not on file
1660-00-001-4130
1660-00-001-4130 · Item name not on file
1660-00-001-4479
CONTROLLER,AIR PRESSURE,AIRCRAFT

Frequently Asked Questions

What is NSN 1660-01-682-7402?

NSN 1660-01-682-7402 is a Valve Assembly,environmental Con, manufactured by Hamilton Sundstrand Corporation Dba Collins Aerospace, classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.

What part numbers are listed for NSN 1660-01-682-7402?

NSN 1660-01-682-7402 has 1 manufacturer part number on file: 814233-4 (Hamilton Sundstrand Corporation Dba Collins Aerospace).

What are the specifications of 814233-4?

Key specifications for 814233-4: Part Name Assigned by Controlling Agency: VALVE ASSEMBLY,ENVIRONMENTAL CONTROL, AIRCRAFT; End Item Identification: FIGHTER AIRCRAFT (F18 E/F). 0 specifications are documented in the U.S. Government catalog.

Is NSN 1660-01-682-7402 hazardous material?

No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.

What is the DEMIL code for NSN 1660-01-682-7402?

NSN 1660-01-682-7402 has DEMIL Code D. Demilitarization may be required before disposal or transfer to non-military entities.

Sources

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.

✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.
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