PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

103400Heatsink Assembly

Aimtron Systems, Llc · NSN 5840-01-111-7806 · FSC 5840 · No Item Name Available
Verified by PartsTable
NSN 5840-01-111-7806 — this item is cataloged by the U.S. Government under National Stock Number 5840-01-111-7806. Primary manufacturer part number: 103400.
Features
  • Heatsink Assembly — FSC 5840
  • General Characteristics Item Description: CONSISTS OF HEAT SINK,MODIFIED 2,DEFLECTION REGULATOR ASSEMBLY 1,RESISTOR,FIXED 4,TERMINAL,STUD,INSULATOR 9,TERMINAL,GROUND 8,THERMOSTAT 1,TRANSISTOR 8
  • 2 verified cross-references
  • Primary manufacturer: Aimtron Systems, Llc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Heatsink Assembly, cataloged under National Stock Number 5840-01-111-7806, is classified within Federal Supply Class 5840 (No Item Name Available) of the Communication, Detection, and Coherent Radiation Equipment group. The primary manufacturer of record is Aimtron Systems, 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. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5840-01-111-7806
Primary Part Number103400
Item NameHeatsink Assembly
FSC / FSG5840 / 58 — No Item Name Available
ManufacturerAimtron Systems, Llc
StatusACTIVE
General Characteristics Item DescriptionCONSISTS OF HEAT SINK,MODIFIED 2,DEFLECTION REGULATOR ASSEMBLY 1,RESISTOR,FIXED 4,TERMINAL,STUD,INSULATOR 9,TERMINAL,GROUND 8,THERMOSTAT 1,TRANSISTOR 8
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
5315-00-010-3400103400 INTERCHANGEABLE
Pin,cotter
Chrysler Realty Company Llc Dba Daimler Chrysler
6625-00-054-238910068962 INTERCHANGEABLE
Case,electrical-Electronic Test
Us Army Aviation and Missile Command
5315-00-200-4545MS24665-426 INTERCHANGEABLE
Pin,cotter
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
4730-00-594-7440103400 INTERCHANGEABLE
Strainer Element,sediment
Air Logistics Corporation Dba Air Logistics Corp
5961-00-985-90732N3053 INTERCHANGEABLE
Transistor
Solid State Devices, Inc
5950-01-010-5026TA17 INTERCHANGEABLE
Transformer,power
Nautel Maine Inc
3040-01-214-38031034-00 INTERCHANGEABLE
Ring,piston
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
5220-01-229-20071034-00 INTERCHANGEABLE
Plate,surface
Ohaus Corporation
5975-01-387-8515WEDGE KIT GALV ES (ART#103400) INTERCHANGEABLE
Assembly,end Packing,es
Roxtec Inc
5975-01-620-1326103400 INTERCHANGEABLE
Kit,wedge,shielding
Roxtec Inc
Cross-Reference Index
Part NumberManufacturer
103400 Cardion Inc (USA)
103400 PRIMARY Aimtron Systems, Llc (USA)
Related Parts
5315-00-010-3400INTERCHANGEABLE
PIN,COTTER
103400
6625-00-054-2389INTERCHANGEABLE
CASE,ELECTRICAL-ELECTRONIC TEST
10068962
5315-00-200-4545INTERCHANGEABLE
PIN,COTTER
MS24665-426
4730-00-594-7440INTERCHANGEABLE
STRAINER ELEMENT,SEDIMENT
103400
5961-00-985-9073INTERCHANGEABLE
TRANSISTOR
2N3053
5950-01-010-5026INTERCHANGEABLE
TRANSFORMER,POWER
TA17
3040-01-214-3803INTERCHANGEABLE
RING,PISTON
1034-00
5220-01-229-2007INTERCHANGEABLE
PLATE,SURFACE
1034-00
5975-01-387-8515INTERCHANGEABLE
ASSEMBLY,END PACKING,ES
WEDGE KIT GALV ES (ART#103400)
5975-01-620-1326INTERCHANGEABLE
KIT,WEDGE,SHIELDING
103400

Frequently Asked Questions

What is NSN 5840-01-111-7806?

NSN 5840-01-111-7806 is a Heatsink Assembly, manufactured by Aimtron Systems, Llc, classified under FSC 5840 (No Item Name Available). Status: active.

What are the part numbers for NSN 5840-01-111-7806?

NSN 5840-01-111-7806 has 2 cross-referenced part numbers: 103400 (Cardion Inc), 103400 (Aimtron Systems, Llc).

What NSN replaces 5840-01-111-7806?

There are 10 known substitutes for 5840-01-111-7806: 5315-00-010-3400, 6625-00-054-2389, 5315-00-200-4545 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 103400?

Key specifications for 103400: General Characteristics Item Description: CONSISTS OF HEAT SINK,MODIFIED 2,DEFLECTION REGULATOR ASSEMBLY 1,RESISTOR,FIXED 4,TERMINAL,STUD,INSULATOR 9,TERMINAL,GROUND 8,THERMOSTAT 1,TRANSISTOR 8. 1 total characteristics are documented in the Federal Logistics Information System.

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