PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

23257Heat Sink Bracket

Smiths Aerospace, Inc., Electronic Systems-Grand Rapids · NSN 5999-01-202-4765 · FSC 5999 · No Item Name Available
Verified by PartsTable
NSN 5999-01-202-4765 — this item is cataloged by the U.S. Government under National Stock Number 5999-01-202-4765. Primary manufacturer part number: 23257.
Features
  • Heat Sink Bracket — FSC 5999
  • 1 verified cross-reference
  • Primary manufacturer: Smiths Aerospace, Inc., Electronic Systems-Grand Rapids
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Heat Sink Bracket, cataloged under National Stock Number 5999-01-202-4765, 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 Smiths Aerospace, Inc., Electronic Systems-Grand Rapids. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameHeat Sink Bracket
FSC / FSG5999 — No Item Name Available (FSG 59)
ManufacturersSmiths Aerospace, Inc., Electronic Systems-Grand Rapids (CAGE 30377)
Technical Specifications
ParameterValue
NSN5999-01-202-4765
Primary Part Number23257
Item NameHeat Sink Bracket
FSC / FSG5999 / 59 — No Item Name Available
ManufacturerSmiths Aerospace, Inc., Electronic Systems-Grand Rapids
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
3930-00-375-149010X20X1 INTERCHANGEABLE
Seal Assembly
Garwood/feller Inc Garwood Winch Div
5342-01-144-608223257 INTERCHANGEABLE
Pad,bumper
Donn Products Inc
3120-01-165-381723257 INTERCHANGEABLE
Bushing
William Powell Company, the Dba Powell Valve Div the Starflo Corporation
5365-01-541-896523257 INTERCHANGEABLE
Shim Set
Charles Reed Knight Jr Dba Knight's Armament Company
6515-01-595-529221091A INTERCHANGEABLE
Probe,temperature Monitoring
Philips North America Llc Dba Philips Healthcare
Cross-Reference Index
Part NumberManufacturer
23257 PRIMARY Smiths Aerospace, Inc., Electronic Systems-Grand Rapids (USA)
Related Parts
3930-00-375-1490INTERCHANGEABLE
SEAL ASSEMBLY
10X20X1
5342-01-144-6082INTERCHANGEABLE
PAD,BUMPER
23257
3120-01-165-3817INTERCHANGEABLE
BUSHING
23257
5365-01-541-8965INTERCHANGEABLE
SHIM SET
23257
6515-01-595-5292INTERCHANGEABLE
PROBE,TEMPERATURE MONITORING
21091A

Frequently Asked Questions

What is NSN 5999-01-202-4765?

NSN 5999-01-202-4765 is a Heat Sink Bracket, manufactured by Smiths Aerospace, Inc., Electronic Systems-Grand Rapids, classified under FSC 5999 (No Item Name Available). Status: active.

What are the part numbers for NSN 5999-01-202-4765?

NSN 5999-01-202-4765 has 1 cross-referenced part number: 23257 (Smiths Aerospace, Inc., Electronic Systems-Grand Rapids).

What NSN replaces 5999-01-202-4765?

There are 5 known substitutes for 5999-01-202-4765: 3930-00-375-1490, 5342-01-144-6082, 3120-01-165-3817 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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