NSN 1660-01-613-4791 · NIIN 016134791 · Part number E131126780-4
Triumph Engine Control Systems Llc · FSC 1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment · FSG 16 — Aircraft Components and Accessories · CAGE 11599
Government record, cited
NSN 1660-01-613-4791 — this item is cataloged by the U.S. Government under National Stock Number 1660-01-613-4791. Manufacturer of record part number: E131126780-4.
Also searched as1660-01-613-4791 ·
1660016134791 ·
NIIN 016134791 ·
01-613-4791 ·
FSC 1660 Aircraft Air Conditioning, Heating, and Pressurizing Equipment · CAGE 11599 · E131126780-4
Nearby stock numbers← 1660-01-613-4438 Grille, Metal
·
1660-01-613-5077 Duct Assembly, Air Conditioning-H →
Features
Valve Assembly,environmental Con — FSC 1660
1 manufacturer part number on file
Manufacturer of record: Triumph Engine Control Systems Llc
Identification
NSN: 1660-01-613-4791
NIIN: 016134791
FSC: 1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment
FSG: 16 — Aircraft Components and Accessories
Primary part number: E131126780-4
Manufacturer: Triumph Engine Control Systems Llc
General Description
The Valve Assembly,environmental Con, cataloged under National Stock Number 1660-01-613-4791, 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 Triumph Engine Control Systems Llc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
Technical Specifications
Parameter
Value
NSN
1660-01-613-4791
Primary Part Number
E131126780-4
Item Name
Valve Assembly,environmental Con
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 1660-01-613-4791?
NSN 1660-01-613-4791 is a Valve Assembly,environmental Con, manufactured by Triumph Engine Control Systems Llc, classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.
What part numbers are listed for NSN 1660-01-613-4791?
NSN 1660-01-613-4791 has 1 manufacturer part number on file: E131126780-4 (Triumph Engine Control Systems Llc).
What are the specifications of E131126780-4?
Key specifications for E131126780-4: End Item Identification: AH-64 LONGBOW. 0 specifications are documented in the U.S. Government catalog.
Is NSN 1660-01-613-4791 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.
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.