PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3438721Heat Sink,negative

Atwood Fence Co Inc · NSN 5999-00-175-9657 · FSC 5999 · No Item Name Available
Verified by PartsTable
NSN 5999-00-175-9657 — this item is cataloged by the U.S. Government under National Stock Number 5999-00-175-9657. Primary manufacturer part number: 3438721.
Features
  • Heat Sink,negative — FSC 5999
  • 8 verified cross-references
  • Primary manufacturer: Atwood Fence Co Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Heat Sink,negative, cataloged under National Stock Number 5999-00-175-9657, 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 Atwood Fence Co Inc. This item has 8 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Catalog Facts
Item NameHeat Sink,negative
FSC / FSG5999 — No Item Name Available (FSG 59)
ManufacturersAtwood Fence Co Inc (CAGE 93334); Chrysler Corp Hamtramck Assembly (CAGE 18113); Prestolite Electric Inc (CAGE 24975); Taylor-Dunn Corporation Dba Metro Crown International (CAGE 10695); Chrysler Corp Service and Parts Opns (CAGE 86403)
Successor NSN5895-01-470-5303 — Converter,signal Data
Technical Specifications
ParameterValue
NSN5999-00-175-9657
Primary Part Number3438721
Item NameHeat Sink,negative
FSC / FSG5999 / 59 — No Item Name Available
ManufacturerAtwood Fence Co Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
Successor5895-01-470-5303 (152842)
HAZMATNo
Shelf Life Code0
Criticality CodeQ
Unit of IssueEA
SMR CodeJN
Weight0.1000 lbs
Cube0.0174 cu ft
Verified Substitutes 7
5895-01-470-5303152842 SUCCESSOR
Converter,signal Data
Setra Systems, Inc. Dba Gems Sensors
2815-00-033-939052-549 INTERCHANGEABLE
Pan Assembly,oil
Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc
5935-00-201-8480103X16 INTERCHANGEABLE
Connector,receptacle,electrical
Kentucky Mfg Co
5340-00-610-7798SM-B-148716-2 INTERCHANGEABLE
Clip,spring Tension
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
4820-01-083-993548069 INTERCHANGEABLE
Valve Core
Leroi International Inc Dba Compair Leroi
5930-01-170-898552549 INTERCHANGEABLE
Switch,rotary
Tyco Fire Products Lp
5310-01-173-345952549 INTERCHANGEABLE
Washer,flat
Alliance Laundry Systems Llc
Cross-Reference Index
Part NumberManufacturer
3438721 Atwood Fence Co Inc (USA)
3438721 Chrysler Corp Hamtramck Assembly (USA)
3438721 Prestolite Electric Inc (USA)
48069 Taylor-Dunn Corporation Dba Metro Crown International (USA)
3438721 Chrysler Corp Service and Parts Opns (USA)
5-2549 Tvh Parts Co. (USA)
5-2549 Lift Parts Mfg Co Inc Div of Echlin Mfg Co the (USA)
3438721 Chrysler Realty Company Llc Dba Daimler Chrysler (USA)
Related Parts
SUCCESSOR 5895-01-470-5303 Converter,signal Data · 152842
2815-00-033-9390INTERCHANGEABLE
PAN ASSEMBLY,OIL
52-549
5935-00-201-8480INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
103X16
5340-00-610-7798INTERCHANGEABLE
CLIP,SPRING TENSION
SM-B-148716-2
4820-01-083-9935INTERCHANGEABLE
VALVE CORE
48069
5930-01-170-8985INTERCHANGEABLE
SWITCH,ROTARY
52549
5310-01-173-3459INTERCHANGEABLE
WASHER,FLAT
52549

Frequently Asked Questions

What is NSN 5999-00-175-9657?

NSN 5999-00-175-9657 is a Heat Sink,negative, manufactured by Atwood Fence Co Inc, classified under FSC 5999 (No Item Name Available). Status: active.

What are the part numbers for NSN 5999-00-175-9657?

NSN 5999-00-175-9657 has 8 cross-referenced part numbers: 3438721 (Atwood Fence Co Inc), 3438721 (Chrysler Corp Hamtramck Assembly), 3438721 (Prestolite Electric Inc), 48069 (Taylor-Dunn Corporation Dba Metro Crown International), 3438721 (Chrysler Corp Service and Parts Opns) and 3 more.

What NSN replaces 5999-00-175-9657?

There are 7 known substitutes for 5999-00-175-9657: 5895-01-470-5303, 2815-00-033-9390, 5935-00-201-8480 and 4 more. Verify interchangeability with system specifications before substitution.

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