PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

544-0974-004Heat Exchanger,air to Air,aircra

Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems · NSN 1660-00-441-0708 · FSC 1660 · No Item Name Available
Verified by PartsTable
NSN 1660-00-441-0708 — this item is cataloged by the U.S. Government under National Stock Number 1660-00-441-0708. Primary manufacturer part number: 544-0974-004.
Features
  • Heat Exchanger,air to Air,aircra — FSC 1660
  • 2 verified cross-references
  • Primary manufacturer: Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
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 1660-00-441-0708, is classified within Federal Supply Class 1660 (No Item Name Available) of the Aircraft Components and Accessories group. The primary manufacturer of record is Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN1660-00-441-0708
Primary Part Number544-0974-004
Item NameHeat Exchanger,air to Air,aircra
FSC / FSG1660 / 16 — No Item Name Available
ManufacturerRockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5310-00-010-3346 INTERCHANGEABLE
Washer,flat
Cross-Reference Index
Part NumberManufacturer
544-0974-004 Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA)
119896 Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA)
Related Parts
5310-00-010-3346INTERCHANGEABLE
WASHER,FLAT

Frequently Asked Questions

What is NSN 1660-00-441-0708?

NSN 1660-00-441-0708 is a Heat Exchanger,air to Air,aircra, manufactured by Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems, classified under FSC 1660 (No Item Name Available). Status: active.

What are the part numbers for NSN 1660-00-441-0708?

NSN 1660-00-441-0708 has 2 cross-referenced part numbers: 544-0974-004 (Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems), 119896 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp).

What NSN replaces 1660-00-441-0708?

There is 1 known substitute for 1660-00-441-0708: 5310-00-010-3346. Verify interchangeability with system specifications before substitution.

What are the specifications of 544-0974-004?

Key specifications for 544-0974-004: Special Features: 7.188 IN. LG;7.188 IN. W;1.236 IN. H;ALUMINUM IN. 1 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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