PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

100903Circuit Card Assembly

Transistor Devices Inc Div Astrodyne Tdi High Power Business Unit · NSN 5998-00-122-6405 · FSC 5998 · Circuit Card Assembly
Verified by PartsTable
NSN 5998-00-122-6405 — this item is cataloged by the U.S. Government under National Stock Number 5998-00-122-6405. Primary manufacturer part number: 100903.
Features
  • Circuit Card Assembly — FSC 5998
  • 1 verified cross-reference
  • Primary manufacturer: Transistor Devices Inc Div Astrodyne Tdi High Power Business Unit
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Circuit Card Assembly, cataloged under National Stock Number 5998-00-122-6405, is classified within Federal Supply Class 5998 (Circuit Card Assembly) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Transistor Devices Inc Div Astrodyne Tdi High Power Business Unit. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5998-00-122-6405
Primary Part Number100903
Item NameCircuit Card Assembly
FSC / FSG5998 / 59 — Circuit Card Assembly
ManufacturerTransistor Devices Inc Div Astrodyne Tdi High Power Business Unit
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
1250-00-026-5040 INTERCHANGEABLE
Stabilizer,rangefin
5340-00-071-0053100903 INTERCHANGEABLE
Bracket,mounting
Astronautics Corporation of America
5945-00-442-673210090-3 INTERCHANGEABLE
Solenoid,valve
Federal Industries, Inc. Dba Federal Industries Inc
6105-00-916-141708SM515 INTERCHANGEABLE
Motor,control
Ametek Technical & Industrial Products, Inc. Dba Tachtronic Instruments Division Div Ametek Technical and Industrial Products, Inc.
3040-01-144-2690100903 INTERCHANGEABLE
Shaft
American Turbo Systems Inc
5970-01-238-5277 INTERCHANGEABLE
Insulator,plate
5985-01-372-9974 INTERCHANGEABLE
Waveguide Assembly
5340-01-464-0919100903 INTERCHANGEABLE
Rod,straight,headless
American Dryer Corp
6530-01-622-393010-0903 INTERCHANGEABLE
Exerciser,hand
Fabrication Enterprises, Inc. Dba Fabrication Enterprises Inc
Cross-Reference Index
Part NumberManufacturer
100903 PRIMARY Transistor Devices Inc Div Astrodyne Tdi High Power Business Unit (USA)
Related Parts
1250-00-026-5040INTERCHANGEABLE
STABILIZER,RANGEFIN
5340-00-071-0053INTERCHANGEABLE
BRACKET,MOUNTING
100903
5945-00-442-6732INTERCHANGEABLE
SOLENOID,VALVE
10090-3
6105-00-916-1417INTERCHANGEABLE
MOTOR,CONTROL
08SM515
3040-01-144-2690INTERCHANGEABLE
SHAFT
100903
5970-01-238-5277INTERCHANGEABLE
INSULATOR,PLATE
5985-01-372-9974INTERCHANGEABLE
WAVEGUIDE ASSEMBLY
5340-01-464-0919INTERCHANGEABLE
ROD,STRAIGHT,HEADLESS
100903
6530-01-622-3930INTERCHANGEABLE
EXERCISER,HAND
10-0903

Frequently Asked Questions

What is NSN 5998-00-122-6405?

NSN 5998-00-122-6405 is a Circuit Card Assembly, manufactured by Transistor Devices Inc Div Astrodyne Tdi High Power Business Unit, classified under FSC 5998 (Circuit Card Assembly). Status: active.

What are the part numbers for NSN 5998-00-122-6405?

NSN 5998-00-122-6405 has 1 cross-referenced part number: 100903 (Transistor Devices Inc Div Astrodyne Tdi High Power Business Unit).

What NSN replaces 5998-00-122-6405?

There are 9 known substitutes for 5998-00-122-6405: 1250-00-026-5040, 5340-00-071-0053, 5945-00-442-6732 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 100903?

Key specifications for 100903: End Item Identification: TRAINER,FLIGHT SIMULATOR; End Item Identification: TRAINER,FLIGHT SIMULATOR. 2 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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