PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

18-54029-1Duct Assembly,air Conditioning-H

Northrop Grumman Technical Services, Inc. Dba Defense Systems Sector · NSN 1660-01-039-3360 · FSC 1660 · No Item Name Available
Verified by PartsTable
NSN 1660-01-039-3360 — this item is cataloged by the U.S. Government under National Stock Number 1660-01-039-3360. Primary manufacturer part number: 18-54029-1.
Features
  • Duct Assembly,air Conditioning-H — FSC 1660
  • Aircraft Mission Design Series: F-5F
  • 2 verified cross-references
  • Primary manufacturer: Northrop Grumman Technical Services, Inc. Dba Defense Systems Sector
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Duct Assembly,air Conditioning-H, cataloged under National Stock Number 1660-01-039-3360, is classified within Federal Supply Class 1660 (No Item Name Available) of the Aircraft Components and Accessories group. The primary manufacturer of record is Northrop Grumman Technical Services, Inc. Dba Defense Systems Sector. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). 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
NSN1660-01-039-3360
Primary Part Number18-54029-1
Item NameDuct Assembly,air Conditioning-H
FSC / FSG1660 / 16 — No Item Name Available
ManufacturerNorthrop Grumman Technical Services, Inc. Dba Defense Systems Sector
StatusACTIVE
Aircraft Mission Design SeriesF-5F
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5961-00-110-51411854-0291 INTERCHANGEABLE
Transistor
Keysight Technologies Inc
Cross-Reference Index
Part NumberManufacturer
18-54029-1 Northrop Grumman Technical Services, Inc. Dba Defense Systems Sector (USA)
18-54029-1 Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems (USA)
Related Parts
5961-00-110-5141INTERCHANGEABLE
TRANSISTOR
1854-0291

Frequently Asked Questions

What is NSN 1660-01-039-3360?

NSN 1660-01-039-3360 is a Duct Assembly,air Conditioning-H, manufactured by Northrop Grumman Technical Services, Inc. Dba Defense Systems Sector, classified under FSC 1660 (No Item Name Available). Status: active.

What are the part numbers for NSN 1660-01-039-3360?

NSN 1660-01-039-3360 has 2 cross-referenced part numbers: 18-54029-1 (Northrop Grumman Technical Services, Inc. Dba Defense Systems Sector), 18-54029-1 (Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems).

What NSN replaces 1660-01-039-3360?

There is 1 known substitute for 1660-01-039-3360: 5961-00-110-5141. Verify interchangeability with system specifications before substitution.

What are the specifications of 18-54029-1?

Key specifications for 18-54029-1: Special Features: CONSISTS OF P/N 18-54029-3,TUBE; P/N 18-54029-5,ARMAFLEX; P/N 18-00508-173,MARKING; P/N 21L100-12,LABEL; End Item Identification: F-5F AIRCRAFT; Aircraft Mission Design Series: F-5F. 3 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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