PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

TXB2P050-037BHeat Sink,electrical-Electronic

Cts Electronic Components (california) Inc Dba Ierc Div Cts Electronic Components · NSN 5999-00-078-7173 · FSC 5999 · No Item Name Available
Verified by PartsTable
NSN 5999-00-078-7173 — this item is cataloged by the U.S. Government under National Stock Number 5999-00-078-7173. Primary manufacturer part number: TXB2P050-037B.
Features
  • Heat Sink,electrical-Electronic — FSC 5999
  • 4 verified cross-references
  • Primary manufacturer: Cts Electronic Components (california) Inc Dba Ierc Div Cts Electronic Components
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Heat Sink,electrical-Electronic, cataloged under National Stock Number 5999-00-078-7173, is classified within Federal Supply Class 5999 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Cts Electronic Components (california) Inc Dba Ierc Div Cts Electronic Components. This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Catalog Facts
Item NameHeat Sink,electrical-Electronic
FSC / FSG5999 — No Item Name Available (FSG 59)
ManufacturersCts Electronic Components (california) Inc Dba Ierc Div Cts Electronic Components (CAGE 98978); Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (CAGE 10001); Lockheed Martin Corporation Div Rms (CAGE 03538)
Technical Specifications
ParameterValue
NSN5999-00-078-7173
Primary Part NumberTXB2P050-037B
Item NameHeat Sink,electrical-Electronic
FSC / FSG5999 / 59 — No Item Name Available
ManufacturerCts Electronic Components (california) Inc Dba Ierc Div Cts Electronic Components
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Criticality CodeQ
Unit of IssueEA
SMR CodeJN
Weight0.0625 lbs
Cube0.0004 cu ft
Verified Substitutes 5
5970-00-039-0395192-1042-010 INTERCHANGEABLE
Insulator,bead
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
5330-00-918-84516492 INTERCHANGEABLE
Seal,centrifuge
Donaldson Company, Inc.
6530-01-190-28436492 INTERCHANGEABLE
Seat Raiser,water Closet,handica
Lumex Inc
6515-01-387-88216492 INTERCHANGEABLE
Support,arch
Alimed, Inc. Dba Alimed Inc
6550-01-540-0308 INTERCHANGEABLE
Plate,staph Express Disk
Cross-Reference Index
Part NumberManufacturer
TXB2P050-037B PRIMARY Cts Electronic Components (california) Inc Dba Ierc Div Cts Electronic Components (USA)
2551786 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
6492 Cts Electronic Components (california) Inc Dba Ierc Div Cts Electronic Components (USA)
77C718766P001 Lockheed Martin Corporation Div Rms (USA)
Related Parts
5970-00-039-0395INTERCHANGEABLE
INSULATOR,BEAD
192-1042-010
5330-00-918-8451INTERCHANGEABLE
SEAL,CENTRIFUGE
6492
6530-01-190-2843INTERCHANGEABLE
SEAT RAISER,WATER CLOSET,HANDICA
6492
6515-01-387-8821INTERCHANGEABLE
SUPPORT,ARCH
6492
6550-01-540-0308INTERCHANGEABLE
PLATE,STAPH EXPRESS DISK

Frequently Asked Questions

What is NSN 5999-00-078-7173?

NSN 5999-00-078-7173 is a Heat Sink,electrical-Electronic, manufactured by Cts Electronic Components (california) Inc Dba Ierc Div Cts Electronic Components, classified under FSC 5999 (No Item Name Available). Status: active.

What are the part numbers for NSN 5999-00-078-7173?

NSN 5999-00-078-7173 has 4 cross-referenced part numbers: TXB2P050-037B (Cts Electronic Components (california) Inc Dba Ierc Div Cts Electronic Components), 2551786 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 6492 (Cts Electronic Components (california) Inc Dba Ierc Div Cts Electronic Components), 77C718766P001 (Lockheed Martin Corporation Div Rms).

What NSN replaces 5999-00-078-7173?

There are 5 known substitutes for 5999-00-078-7173: 5970-00-039-0395, 5330-00-918-8451, 6530-01-190-2843 and 2 more. Verify interchangeability with system specifications before substitution.

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