PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

M87111/01-1H10Heat Sink,electrical-Electronic

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 5999-01-197-2731 · FSC 5999 · No Item Name Available
Verified by PartsTable
NSN 5999-01-197-2731 — this item is cataloged by the U.S. Government under National Stock Number 5999-01-197-2731. Primary manufacturer part number: M87111/01-1H10.
Features
  • Heat Sink,electrical-Electronic — FSC 5999
  • Material: ALUMINUM ALLOY
  • Surface Treatment Document and Classification: MIL-A-8625,TYPE 2 MIL SPEC SINGLE TREATMENT RESPONSE
  • Material Document and Classification: QQ-A-250 FED SPEC SINGLE MATERIAL RESPONSE
  • Test Data Document: 81349-MIL-H-87111 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
  • Surface Treatment: ANODIZE
  • Surface Treatment Document and Classification: MIL-A-8625,TYPE 2 MIL SPEC SINGLE TREATMENT RESPONSE
  • Material: ALUMINUM ALLOY
Applications
  • Applications requiring Aluminum Alloy construction
General Description

The Heat Sink,electrical-Electronic, cataloged under National Stock Number 5999-01-197-2731, 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 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5999-01-197-2731
Primary Part NumberM87111/01-1H10
Item NameHeat Sink,electrical-Electronic
FSC / FSG5999 / 59 — No Item Name Available
ManufacturerMilitary Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
StatusACTIVE
MaterialALUMINUM ALLOY
Surface Treatment Document and ClassificationMIL-A-8625,TYPE 2 MIL SPEC SINGLE TREATMENT RESPONSE
Material Document and ClassificationQQ-A-250 FED SPEC SINGLE MATERIAL RESPONSE
Test Data Document81349-MIL-H-87111 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
Surface TreatmentANODIZE
Surface Treatment Document and ClassificationMIL-A-8625,TYPE 2 MIL SPEC SINGLE TREATMENT RESPONSE
MaterialALUMINUM ALLOY
Material Document and ClassificationQQ-A-250 FED SPEC SINGLE MATERIAL RESPONSE
Test Data Document81349-MIL-H-87111 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
Surface TreatmentANODIZE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Criticality CodeQ
Unit of IssueEA
SMR CodeY
Weight0.0200 lbs
Cube0.0030 cu ft
Verified Substitutes 11
5999-01-202-9721NAS4117B24 SUCCESSOR
Heat Sink-Insulator
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5999-01-202-9726NAS4117B28 SUCCESSOR
Heat Sink-Insulator
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5999-01-202-9727NAS4117C59 SUCCESSOR
Heat Sink-Insulator
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5999-01-202-9732NAS4117C38 SUCCESSOR
Heat Sink-Insulator
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5999-01-341-7039NAS4117B59 SUCCESSOR
Heat Sink-Insulator
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5999-01-368-9625NAS4117B63 SUCCESSOR
Heat Sink-Insulator
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5999-01-381-8718NAS4117C44 SUCCESSOR
Heat Sink-Insulator
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5999-01-395-2474NAS4117C51 SUCCESSOR
Heat Sink-Insulator
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5999-01-411-1079NAS4117C37 SUCCESSOR
Heat Sink-Insulator
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5999-01-418-5640NAS4117C62 SUCCESSOR
Heat Sink-Insulator
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
Cross-Reference Index
Part NumberManufacturer
M87111/01-1H10 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
M87111/1-1H10 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-H-87111/1 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5999-01-202-9721SUCCESSOR
HEAT SINK-INSULATOR
NAS4117B24
5999-01-202-9726SUCCESSOR
HEAT SINK-INSULATOR
NAS4117B28
5999-01-202-9727SUCCESSOR
HEAT SINK-INSULATOR
NAS4117C59
5999-01-202-9732SUCCESSOR
HEAT SINK-INSULATOR
NAS4117C38
5999-01-341-7039SUCCESSOR
HEAT SINK-INSULATOR
NAS4117B59
5999-01-368-9625SUCCESSOR
HEAT SINK-INSULATOR
NAS4117B63
5999-01-381-8718SUCCESSOR
HEAT SINK-INSULATOR
NAS4117C44
5999-01-395-2474SUCCESSOR
HEAT SINK-INSULATOR
NAS4117C51
5999-01-411-1079SUCCESSOR
HEAT SINK-INSULATOR
NAS4117C37
5999-01-418-5640SUCCESSOR
HEAT SINK-INSULATOR
NAS4117C62
5999-01-419-4995SUCCESSOR
HEAT SINK-INSULATOR
NAS4117C45

Frequently Asked Questions

What is NSN 5999-01-197-2731?

NSN 5999-01-197-2731 is a Heat Sink,electrical-Electronic, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 5999 (No Item Name Available). Status: active.

What are the part numbers for NSN 5999-01-197-2731?

NSN 5999-01-197-2731 has 3 cross-referenced part numbers: M87111/01-1H10 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), M87111/1-1H10 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-H-87111/1 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5999-01-197-2731?

There are 11 known substitutes for 5999-01-197-2731: 5999-01-202-9721, 5999-01-202-9726, 5999-01-202-9727 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of M87111/01-1H10?

Key specifications for M87111/01-1H10: Material: ALUMINUM ALLOY; Surface Treatment Document and Classification: MIL-A-8625,TYPE 2 MIL SPEC SINGLE TREATMENT RESPONSE; Overall Width: 0.710 INCHES NOMINAL IN; Material Document and Classification: QQ-A-250 FED SPEC SINGLE MATERIAL RESPONSE. 14 total characteristics are documented in the Federal Logistics Information System.

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