PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

103406Duct Assembly

Defense & Development Enterprises Llc · NSN 1650-00-021-9916 · FSC 1650 · No Item Name Available
Verified by PartsTable
NSN 1650-00-021-9916 — this item is cataloged by the U.S. Government under National Stock Number 1650-00-021-9916. Primary manufacturer part number: 103406.
Features
  • Duct Assembly — FSC 1650
  • General Characteristics Item Description: ALUMINUM ALLOY 6061 T4,3.000 IN. DIA,9.844 IN. LG IN
  • 2 verified cross-references
  • Primary manufacturer: Defense & Development Enterprises Llc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Duct Assembly, cataloged under National Stock Number 1650-00-021-9916, is classified within Federal Supply Class 1650 (No Item Name Available) of the Aircraft Components and Accessories group. The primary manufacturer of record is Defense & Development Enterprises Llc. 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN1650-00-021-9916
Primary Part Number103406
Item NameDuct Assembly
FSC / FSG1650 / 16 — No Item Name Available
ManufacturerDefense & Development Enterprises Llc
StatusACTIVE
General Characteristics Item DescriptionALUMINUM ALLOY 6061 T4,3.000 IN. DIA,9.844 IN. LG IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5315-00-010-3406103406 INTERCHANGEABLE
Pin,cotter
Chrysler Realty Company Llc Dba Daimler Chrysler
2530-00-018-80121238394 INTERCHANGEABLE
Tie Rod End,steering
Chrysler Realty Company Llc Dba Daimler Chrysler
5365-00-605-4658103406 INTERCHANGEABLE
Plug,machine Thread
Air Logistics Corporation Dba Air Logistics Corp
5998-01-016-8790103-406 INTERCHANGEABLE
Circuit Card Assembly
Fluke Corp
5836-01-536-373310-3406 INTERCHANGEABLE
Processor,video Signal
L3 Technologies, Inc.
Cross-Reference Index
Part NumberManufacturer
103406 Defense & Development Enterprises Llc (USA)
103406 Triumph Thermal Systems - Maryland, Inc. (USA)
Related Parts
5315-00-010-3406INTERCHANGEABLE
PIN,COTTER
103406
2530-00-018-8012INTERCHANGEABLE
TIE ROD END,STEERING
1238394
5365-00-605-4658INTERCHANGEABLE
PLUG,MACHINE THREAD
103406
5998-01-016-8790INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
103-406
5836-01-536-3733INTERCHANGEABLE
PROCESSOR,VIDEO SIGNAL
10-3406

Frequently Asked Questions

What is NSN 1650-00-021-9916?

NSN 1650-00-021-9916 is a Duct Assembly, manufactured by Defense & Development Enterprises Llc, classified under FSC 1650 (No Item Name Available). Status: active.

What are the part numbers for NSN 1650-00-021-9916?

NSN 1650-00-021-9916 has 2 cross-referenced part numbers: 103406 (Defense & Development Enterprises Llc), 103406 (Triumph Thermal Systems - Maryland, Inc.).

What NSN replaces 1650-00-021-9916?

There are 5 known substitutes for 1650-00-021-9916: 5315-00-010-3406, 2530-00-018-8012, 5365-00-605-4658 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 103406?

Key specifications for 103406: General Characteristics Item Description: ALUMINUM ALLOY 6061 T4,3.000 IN. DIA,9.844 IN. LG 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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