PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

81762Heat Exchanger,air to Air,aircra

Honeywell International Inc. Div Aerospace - Torrance · NSN 1660-00-534-1544 · FSC 1660 · No Item Name Available
Verified by PartsTable
NSN 1660-00-534-1544 — this item is cataloged by the U.S. Government under National Stock Number 1660-00-534-1544. Primary manufacturer part number: 81762.
Features
  • Heat Exchanger,air to Air,aircra — FSC 1660
  • 2 verified cross-references
  • Primary manufacturer: Honeywell International Inc. Div Aerospace - Torrance
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Heat Exchanger,air to Air,aircra, cataloged under National Stock Number 1660-00-534-1544, is classified within Federal Supply Class 1660 (No Item Name Available) of the Aircraft Components and Accessories group. The primary manufacturer of record is Honeywell International Inc. Div Aerospace - Torrance. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameHeat Exchanger,air to Air,aircra
FSC / FSG1660 — No Item Name Available (FSG 16)
ManufacturersAlliedsignal Inc Dba Allied-Signal Aerospace Co (CAGE 72599); Honeywell International Inc. Div Aerospace - Torrance (CAGE 70210)
Technical Specifications
ParameterValue
NSN1660-00-534-1544
Primary Part Number81762
Item NameHeat Exchanger,air to Air,aircra
FSC / FSG1660 / 16 — No Item Name Available
ManufacturerHoneywell International Inc. Div Aerospace - Torrance
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5940-00-617-7557C678137-1 INTERCHANGEABLE
Terminal,lug
Honeywell International Inc Dba Honeywell
5940-01-126-8824 INTERCHANGEABLE
Terminal Board
6350-01-714-078681762 INTERCHANGEABLE
Motion Detector
Zero Point Inc Div Zero Point, Incorporated
Cross-Reference Index
Part NumberManufacturer
81762 Alliedsignal Inc Dba Allied-Signal Aerospace Co (USA)
81762 PRIMARY Honeywell International Inc. Div Aerospace - Torrance (USA)
Related Parts
5940-00-617-7557INTERCHANGEABLE
TERMINAL,LUG
C678137-1
5940-01-126-8824INTERCHANGEABLE
TERMINAL BOARD
6350-01-714-0786INTERCHANGEABLE
MOTION DETECTOR
81762

Frequently Asked Questions

What is NSN 1660-00-534-1544?

NSN 1660-00-534-1544 is a Heat Exchanger,air to Air,aircra, manufactured by Honeywell International Inc. Div Aerospace - Torrance, classified under FSC 1660 (No Item Name Available). Status: active.

What are the part numbers for NSN 1660-00-534-1544?

NSN 1660-00-534-1544 has 2 cross-referenced part numbers: 81762 (Alliedsignal Inc Dba Allied-Signal Aerospace Co), 81762 (Honeywell International Inc. Div Aerospace - Torrance).

What NSN replaces 1660-00-534-1544?

There are 3 known substitutes for 1660-00-534-1544: 5940-00-617-7557, 5940-01-126-8824, 6350-01-714-0786. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com