PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

640102P1Heat Sink,electrical-Electronic

Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems · NSN 5999-01-037-4676 · FSC 5999 · No Item Name Available
Verified by PartsTable
NSN 5999-01-037-4676 — this item is cataloged by the U.S. Government under National Stock Number 5999-01-037-4676. Primary manufacturer part number: 640102P1.
Features
  • Heat Sink,electrical-Electronic — FSC 5999
  • 7 verified cross-references
  • Primary manufacturer: Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Heat Sink,electrical-Electronic, cataloged under National Stock Number 5999-01-037-4676, 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 Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems. This item has 7 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5999-01-037-4676
Primary Part Number640102P1
Item NameHeat Sink,electrical-Electronic
FSC / FSG5999 / 59 — No Item Name Available
ManufacturerBae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Criticality CodeQ
Unit of IssueEA
SMR CodeJN
Weight0.0700 lbs
Cube0.0003 cu ft
Verified Substitutes 1
5960-00-508-10442-240A INTERCHANGEABLE
Electron Tube
Communications & Power Industries Llc Dba Cpi Div Microwave Power Products Division - Eimac Operations
Cross-Reference Index
Part NumberManufacturer
C5111243-001 Signals Warfare Project Manager (USA)
2240A Thermalloy Co Inc (USA)
2240A IV-Electronic Klaus Vespermann Kg (DEU)
640102P1 PRIMARY Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems (USA)
11438036-3 Us Army Aviation and Missile Command (USA)
772717-2 Raytheon Company Dba Raytheon (USA)
772717-1 Raytheon Company Dba Raytheon (USA)
Related Parts
5960-00-508-1044INTERCHANGEABLE
ELECTRON TUBE
2-240A

Frequently Asked Questions

What is NSN 5999-01-037-4676?

NSN 5999-01-037-4676 is a Heat Sink,electrical-Electronic, manufactured by Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems, classified under FSC 5999 (No Item Name Available). Status: active.

What are the part numbers for NSN 5999-01-037-4676?

NSN 5999-01-037-4676 has 7 cross-referenced part numbers: C5111243-001 (Signals Warfare Project Manager), 2240A (Thermalloy Co Inc), 2240A (IV-Electronic Klaus Vespermann Kg), 640102P1 (Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems), 11438036-3 (Us Army Aviation and Missile Command) and 2 more.

What NSN replaces 5999-01-037-4676?

There is 1 known substitute for 5999-01-037-4676: 5960-00-508-1044. Verify interchangeability with system specifications before substitution.

What are the specifications of 640102P1?

Key specifications for 640102P1: Special Features: ALUMINUM ALLOY 2024-T4 BODY AND INSERT PER QQ-A-225/6 OR QQ-A-200/3; HARD ANODIZED FINISH PER MIL-A-8625,TYPE 3,CLASS 2; POLYTETRAFLUOROETHYLENE SLEEVE PER MIL-P-19468; 1.053 IN. MIN DIA TO 1.073 IN. MAX DIA; 0.375 IN. H; TWELVE 0.067 IN. DIA LEAD HOLES WITH POLYTETRAFLUOROETHYLENE SLEEVES; TWO 0.112 IN. DIA X 0.093 MIN DEPTH TO 0.218 IN. MAX DEPTH 4OUNC-2B HOLES SPACED 0.920 IN. C TO C IN; Special Features: ALUMINUM ALLOY 2024-T4 BODY AND INSERT PER QQ-A-225/6 OR QQ-A-200/3; HARD ANODIZED FINISH PER MIL-A-8625,TYPE 3,CLASS 2; POLYTETRAFLUOROETHYLENE SLEEVE PER MIL-P-19468; 1.053 IN. MIN DIA TO 1.073 IN. MAX DIA; 0.375 IN. H; TWELVE 0.067 IN. DIA LEAD HOLES WITH POLYTETRAFLUOROETHYLENE SLEEVES; TWO 0.112 IN. DIA X 0.093 MIN DEPTH TO 0.218 IN. MAX DEPTH 4OUNC-2B HOLES SPACED 0.920 IN. C TO C IN. 2 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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