NSN 1660-01-425-5352 · NIIN 014255352 · Part number 7-511A21510-1
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 1660-01-425-5352 — this item is cataloged by the U.S. Government under National Stock Number 1660-01-425-5352. Manufacturer of record part number: 7-511A21510-1.
Also searched as1660-01-425-5352 ·
1660014255352 ·
NIIN 014255352 ·
01-425-5352 ·
FSC 1660 Aircraft Air Conditioning, Heating, and Pressurizing Equipment · CAGE 11599 · 7-511A21510-1 · E131010000
Nearby stock numbers← 1660-01-425-5198 Heat Exchanger, Fluid to Fluid, Ai
·
1660-01-425-5585 Control Box, Electrical-Electronic, Aircraft Air Temperature →
Features
Filter Element,air Conditioning — FSC 1660
Filtering Media Design: ENCASED SINGLE FILTERING MEDIA RESPONSE
Body Overall Length: 6.150 INCHES NOMINAL IN
Style Designator: RECTANGULAR (INCL SQUARE)
Body Thickness: 0.850 INCHES NOMINAL IN
3 manufacturer part numbers on file
Manufacturer of record: Triumph Engine Control Systems Llc
Identification
NSN: 1660-01-425-5352
NIIN: 014255352
FSC: 1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment
FSG: 16 — Aircraft Components and Accessories
Primary part number: 7-511A21510-1
Manufacturer: Triumph Engine Control Systems Llc
General Description
The Filter Element,air Conditioning, cataloged under National Stock Number 1660-01-425-5352, 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. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
1660-01-425-5352
Primary Part Number
7-511A21510-1
Item Name
Filter Element,air Conditioning
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 1660-01-425-5352?
NSN 1660-01-425-5352 is a Filter Element,air Conditioning, 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 1660-01-425-5352?
NSN 1660-01-425-5352 has 3 manufacturer part numbers on file: 7-511A21510-1 (Triumph Engine Control Systems Llc), 7-511A21510-1 (The Boeing Company), E131010000 (Triumph Thermal Systems - Maryland, Inc.).
What are the specifications of 7-511A21510-1?
Key specifications for 7-511A21510-1: Filtering Media Design: ENCASED SINGLE FILTERING MEDIA RESPONSE; Body Overall Length: 6.150 INCHES NOMINAL IN; Style Designator: RECTANGULAR (INCL SQUARE); Overall Width: 5.600 INCHES NOMINAL IN. 4 specifications are documented in the U.S. Government catalog.
Is NSN 1660-01-425-5352 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.