PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

479637Heat Sink,electrical-Electronic

Raytheon Company Dba Raytheon Co · NSN 5999-01-237-5376 · FSC 5999 · No Item Name Available
Verified by PartsTable
NSN 5999-01-237-5376 — this item is cataloged by the U.S. Government under National Stock Number 5999-01-237-5376. Primary manufacturer part number: 479637.
Features
  • Heat Sink,electrical-Electronic — FSC 5999
  • Overall Diameter: 0.813 INCHES NOMINAL IN
  • Surface Treatment Document and Classification: MIL-A-8625,TYPE 3,CLASS 1 MIL SPEC SINGLE TREATMENT RESPONSE
  • Material: ALUMINUM ALLOY 6061
  • Mounting Facility Type and Quantity: 3 UNTHREADED HOLE(S) ALL MOUNTING FACILITIES
  • Surface Treatment: ANODIZE
  • Unthreaded Mounting Hole Diameter: 0.067 INCHES NOMINAL ALL MOUNTING FACILITIES IN
  • Material Document and Classification: QQ-A-225/6 FED SPEC SINGLE MATERIAL RESPONSE
Applications
  • Applications requiring Aluminum Alloy 6061 construction
General Description

The Heat Sink,electrical-Electronic, cataloged under National Stock Number 5999-01-237-5376, 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 Raytheon Company Dba Raytheon Co. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5999-01-237-5376
Primary Part Number479637
Item NameHeat Sink,electrical-Electronic
FSC / FSG5999 / 59 — No Item Name Available
ManufacturerRaytheon Company Dba Raytheon Co
StatusACTIVE
Overall Diameter0.813 INCHES NOMINAL IN
Surface Treatment Document and ClassificationMIL-A-8625,TYPE 3,CLASS 1 MIL SPEC SINGLE TREATMENT RESPONSE
MaterialALUMINUM ALLOY 6061
Mounting Facility Type and Quantity3 UNTHREADED HOLE(S) ALL MOUNTING FACILITIES
Surface TreatmentANODIZE
Unthreaded Mounting Hole Diameter0.067 INCHES NOMINAL ALL MOUNTING FACILITIES IN
Material Document and ClassificationQQ-A-225/6 FED SPEC SINGLE MATERIAL RESPONSE
Overall Diameter0.813 INCHES NOMINAL IN
Surface Treatment Document and ClassificationMIL-A-8625,TYPE 3,CLASS 1 MIL SPEC SINGLE TREATMENT RESPONSE
MaterialALUMINUM ALLOY 6061
Mounting Facility Type and Quantity3 UNTHREADED HOLE(S) ALL MOUNTING FACILITIES
Surface TreatmentANODIZE
Unthreaded Mounting Hole Diameter0.067 INCHES NOMINAL ALL MOUNTING FACILITIES IN
Material Document and ClassificationQQ-A-225/6 FED SPEC SINGLE MATERIAL RESPONSE
Lifecycle & Compliance
Acquisition StatusACTIVE
Successor5895-00-034-4985 (SMC423275)
HAZMATNo
Shelf Life Code0
Criticality CodeN
Unit of IssueEA
SMR CodeJN
Weight0.3200 lbs
Cube0.0006 cu ft
Verified Substitutes 12
5895-00-034-4985SMC423275 SUCCESSOR
Sweep Generator Subassembly
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
6625-01-326-411412051 SUCCESSOR
Mixer Stage,frequency
Marc Alan Group the, Inc
6680-00-010-13771205-1 INTERCHANGEABLE
Indicator
Mission Systems Davenport Inc.
2530-00-040-2687 INTERCHANGEABLE
Detent Plate
5110-00-234-65555110-01-434-9891 INTERCHANGEABLE
File,hand
General Services Administration Federal Supply Service
5910-00-323-028012051 INTERCHANGEABLE
Capacitor,variable,air Dielectri
Curtiss-Wright Controls, Inc. Div Actuation Division
3120-00-354-312012051 INTERCHANGEABLE
Bearing,sleeve
Cummins Power Generation Inc.
5940-00-643-50101205-1 INTERCHANGEABLE
Terminal,stud
Hermetic Seal Corporation Div Ametek Inc.
5305-00-789-069412051 INTERCHANGEABLE
Screw,cap,socket Head
Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems
5315-00-837-2450 INTERCHANGEABLE
Pin,straight,headless
Cross-Reference Index
Part NumberManufacturer
12051 Thermalloy Co Inc (USA)
479637 PRIMARY Raytheon Company Dba Raytheon Co (USA)
479637 Raytheon Company (USA)
479637 Raytheon Company Div Corp (USA)
Related Parts
SUCCESSOR 5895-00-034-4985 Sweep Generator Subassembly · SMC423275
6625-01-326-4114SUCCESSOR
MIXER STAGE,FREQUENCY
12051
6680-00-010-1377INTERCHANGEABLE
INDICATOR
1205-1
2530-00-040-2687INTERCHANGEABLE
DETENT PLATE
5110-00-234-6555INTERCHANGEABLE
FILE,HAND
5110-01-434-9891
5910-00-323-0280INTERCHANGEABLE
CAPACITOR,VARIABLE,AIR DIELECTRI
12051
3120-00-354-3120INTERCHANGEABLE
BEARING,SLEEVE
12051
5940-00-643-5010INTERCHANGEABLE
TERMINAL,STUD
1205-1
5305-00-789-0694INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
12051
5315-00-837-2450INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
5930-01-155-7368INTERCHANGEABLE
SWITCH,PUSH
5310-01-267-9129INTERCHANGEABLE
NUT,PLAIN,HEXAGON
1205-1

Frequently Asked Questions

What is NSN 5999-01-237-5376?

NSN 5999-01-237-5376 is a Heat Sink,electrical-Electronic, manufactured by Raytheon Company Dba Raytheon Co, classified under FSC 5999 (No Item Name Available). Status: active.

What are the part numbers for NSN 5999-01-237-5376?

NSN 5999-01-237-5376 has 4 cross-referenced part numbers: 12051 (Thermalloy Co Inc), 479637 (Raytheon Company Dba Raytheon Co), 479637 (Raytheon Company), 479637 (Raytheon Company Div Corp).

What NSN replaces 5999-01-237-5376?

There are 12 known substitutes for 5999-01-237-5376: 5895-00-034-4985, 6625-01-326-4114, 6680-00-010-1377 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 479637?

Key specifications for 479637: Overall Diameter: 0.813 INCHES NOMINAL IN; Surface Treatment Document and Classification: MIL-A-8625,TYPE 3,CLASS 1 MIL SPEC SINGLE TREATMENT RESPONSE; Material: ALUMINUM ALLOY 6061; Mounting Facility Type and Quantity: 3 UNTHREADED HOLE(S) ALL MOUNTING FACILITIES. 16 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