PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2212BBHeat Sink,electrical-Electronic

Thermalloy Co Inc · NSN 5999-01-208-7301 · FSC 5999 · No Item Name Available
Verified by PartsTable
NSN 5999-01-208-7301 — this item is cataloged by the U.S. Government under National Stock Number 5999-01-208-7301. Primary manufacturer part number: 2212BB.
Features
  • Heat Sink,electrical-Electronic — FSC 5999
  • 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.).
  • Material: ALUMINUM ALLOY
  • Mounting Facility Type and Quantity: 2 THREADED HOLE(S) SINGLE MOUNTING FACILITY
  • Overall Diameter: 1.063 INCHES NOMINAL IN
  • Surface Treatment: ANODIZE
  • Nominal Thread Size: 0.112 INCHES SINGLE MOUNTING FACILITY IN
  • Specification/standard Data: 81349-MIL-H-87111/4 GOVERNMENT SPECIFICATION
Applications
  • Applications requiring Aluminum Alloy construction
General Description

The Heat Sink,electrical-Electronic, cataloged under National Stock Number 5999-01-208-7301, 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 Thermalloy Co Inc. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 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: Cancelled. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5999-01-208-7301
Primary Part Number2212BB
Item NameHeat Sink,electrical-Electronic
FSC / FSG5999 / 59 — No Item Name Available
ManufacturerThermalloy Co Inc
StatusCANCELLED
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.).
MaterialALUMINUM ALLOY
Mounting Facility Type and Quantity2 THREADED HOLE(S) SINGLE MOUNTING FACILITY
Overall Diameter1.063 INCHES NOMINAL IN
Surface TreatmentANODIZE
Nominal Thread Size0.112 INCHES SINGLE MOUNTING FACILITY IN
Specification/standard Data81349-MIL-H-87111/4 GOVERNMENT SPECIFICATION
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.).
MaterialALUMINUM ALLOY
Mounting Facility Type and Quantity2 THREADED HOLE(S) SINGLE MOUNTING FACILITY
Overall Diameter1.063 INCHES NOMINAL IN
Surface TreatmentANODIZE
Nominal Thread Size0.112 INCHES SINGLE MOUNTING FACILITY IN
Specification/standard Data81349-MIL-H-87111/4 GOVERNMENT SPECIFICATION
Lifecycle & Compliance
Acquisition StatusCANCELLED
Successor5895-01-300-6744 (2224-05)
HAZMATNo
Shelf Life Code0
Criticality CodeQ
Unit of IssueEA
SMR CodeJZ
Weight0.0444 lbs
Cube0.0072 cu ft
Verified Substitutes 12
5895-01-300-67442224-05 SUCCESSOR
Modem,communications
Penril Datacomm a Co of Penril Corp
5999-01-192-3273NAS4120-02L SUCCESSOR
Heat Sink,electrical-Electronic
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5999-01-205-3101NAS4120-04B SUCCESSOR
Heat Sink,electrical-Electronic
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5999-01-520-5159NAS4120-02B SUCCESSOR
Heat Sink,electrical-Electronic
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5999-01-134-1783 INTERCHANGEABLE
Heat Sink,electrical-Electronic
5999-01-208-7300 INTERCHANGEABLE
Heat Sink,electrical-Electronic
5999-01-208-7302 INTERCHANGEABLE
Heat Sink,electrical-Electronic
5999-01-233-0839 INTERCHANGEABLE
Heat Sink,electrical-Electronic
5999-01-261-5428 INTERCHANGEABLE
Heat Sink,electrical-Electronic
5999-01-310-6948 INTERCHANGEABLE
Heat Sink,electrical-Electronic
Cross-Reference Index
Part NumberManufacturer
2212BB Thermalloy Co Inc (USA)
22120-5 Thermalloy Co Inc (USA)
M87111/04-1A03 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
M87111/4-1A03 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
247ASC0540-001 Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA)
1019711-002 Anacomp, Inc. (USA)
247AS-C0424-001 Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA)
2212C-5 Thermalloy Co Inc (USA)
MIL-H-87111/4 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
SUCCESSOR 5895-01-300-6744 Modem,communications · 2224-05
5999-01-192-3273SUCCESSOR
HEAT SINK,ELECTRICAL-ELECTRONIC
NAS4120-02L
5999-01-205-3101SUCCESSOR
HEAT SINK,ELECTRICAL-ELECTRONIC
NAS4120-04B
5999-01-520-5159SUCCESSOR
HEAT SINK,ELECTRICAL-ELECTRONIC
NAS4120-02B
5999-01-134-1783INTERCHANGEABLE
HEAT SINK,ELECTRICAL-ELECTRONIC
5999-01-208-7300INTERCHANGEABLE
HEAT SINK,ELECTRICAL-ELECTRONIC
5999-01-208-7302INTERCHANGEABLE
HEAT SINK,ELECTRICAL-ELECTRONIC
5999-01-233-0839INTERCHANGEABLE
HEAT SINK,ELECTRICAL-ELECTRONIC
5999-01-261-5428INTERCHANGEABLE
HEAT SINK,ELECTRICAL-ELECTRONIC
5999-01-310-6948INTERCHANGEABLE
HEAT SINK,ELECTRICAL-ELECTRONIC
5999-01-330-2659INTERCHANGEABLE
HEAT SINK,ELECTRICAL-ELECTRONIC
5999-01-399-3230INTERCHANGEABLE
HEAT SINK,ELECTRICAL-ELECTRONIC

Frequently Asked Questions

What is NSN 5999-01-208-7301?

NSN 5999-01-208-7301 is a Heat Sink,electrical-Electronic, manufactured by Thermalloy Co Inc, classified under FSC 5999 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5999-01-208-7301?

NSN 5999-01-208-7301 has 9 cross-referenced part numbers: 2212BB (Thermalloy Co Inc), 22120-5 (Thermalloy Co Inc), M87111/04-1A03 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), M87111/4-1A03 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 247ASC0540-001 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier) and 4 more.

What NSN replaces 5999-01-208-7301?

There are 12 known substitutes for 5999-01-208-7301: 5895-01-300-6744, 5999-01-192-3273, 5999-01-205-3101 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2212BB?

Key specifications for 2212BB: Overall Height: 0.250 INCHES NOMINAL IN; 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.).; Material: ALUMINUM ALLOY; Mounting Facility Type and Quantity: 2 THREADED HOLE(S) SINGLE MOUNTING FACILITY. 16 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5999-01-208-7301 still in active supply?

NSN 5999-01-208-7301 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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