NSN 1660-00-074-3331 · NIIN 000743331 · Part number X11137-1
Emerson Electric Co Alco Controls Div · FSC 1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment · FSG 16 — Aircraft Components and Accessories · CAGE 70255
Government record, cited
NSN 1660-00-074-3331 — this item is cataloged by the U.S. Government under National Stock Number 1660-00-074-3331. Manufacturer of record part number: X11137-1.
Also searched as1660-00-074-3331 ·
1660000743331 ·
NIIN 000743331 ·
00-074-3331 ·
FSC 1660 Aircraft Air Conditioning, Heating, and Pressurizing Equipment · CAGE 70255 · X11137-1
FSC Application Data: EVAPORATOR C-135 ACFT AIR CONDITIONING
General Characteristics Item Description: U/O EXPANSION VALVE DT111674
1 manufacturer part number on file
Manufacturer of record: Emerson Electric Co Alco Controls Div
Identification
NSN: 1660-00-074-3331
NIIN: 000743331
FSC: 1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment
FSG: 16 — Aircraft Components and Accessories
Primary part number: X11137-1
Manufacturer: Emerson Electric Co Alco Controls Div
General Description
The CAGE Assembly,valve,expansion, cataloged under National Stock Number 1660-00-074-3331, 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 Emerson Electric Co Alco Controls Div. 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. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
1660-00-074-3331
Primary Part Number
X11137-1
Item Name
CAGE Assembly,valve,expansion
FSC / FSG
1660 / 16 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment
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 1660-00-074-3331?
NSN 1660-00-074-3331 is a CAGE Assembly,valve,expansion, manufactured by Emerson Electric Co Alco Controls Div, classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.
What part numbers are listed for NSN 1660-00-074-3331?
NSN 1660-00-074-3331 has 1 manufacturer part number on file: X11137-1 (Emerson Electric Co Alco Controls Div).
What are the specifications of X11137-1?
Key specifications for X11137-1: FSC Application Data: EVAPORATOR C-135 ACFT AIR CONDITIONING; General Characteristics Item Description: U/O EXPANSION VALVE DT111674. 2 specifications are documented in the U.S. Government catalog.
Is NSN 1660-00-074-3331 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 1660-00-074-3331?
NSN 1660-00-074-3331 has DEMIL Code B. 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.