PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

11774Heat Sink,electrical-Electronic

L3harris Technologies, Inc. Dba Harris Corporation · NSN 5999-01-136-0865 · FSC 5999 · No Item Name Available
Verified by PartsTable
NSN 5999-01-136-0865 — this item is cataloged by the U.S. Government under National Stock Number 5999-01-136-0865. Primary manufacturer part number: 11774.
Features
  • Heat Sink,electrical-Electronic — FSC 5999
  • Surface Treatment: ANODIZE
  • Material: ALUMINUM ALLOY
  • Surface Treatment: ANODIZE
  • Material: ALUMINUM ALLOY
  • 2 verified cross-references
  • Primary manufacturer: L3harris Technologies, Inc. Dba Harris Corporation
Applications
  • Applications requiring Aluminum Alloy construction
General Description

The Heat Sink,electrical-Electronic, cataloged under National Stock Number 5999-01-136-0865, 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 L3harris Technologies, Inc. Dba Harris Corporation. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5999-01-136-0865
Primary Part Number11774
Item NameHeat Sink,electrical-Electronic
FSC / FSG5999 / 59 — No Item Name Available
ManufacturerL3harris Technologies, Inc. Dba Harris Corporation
StatusACTIVE
Surface TreatmentANODIZE
MaterialALUMINUM ALLOY
Surface TreatmentANODIZE
MaterialALUMINUM ALLOY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Unit of IssueEA
SMR CodeJ
Verified Substitutes 6
5360-00-393-4685 INTERCHANGEABLE
Spring,helical
4920-01-035-9108 INTERCHANGEABLE
Washer,oil Retainer
2530-01-150-923211774 INTERCHANGEABLE
Link,track
Koehring Cranes, Inc Dba Terex Cranes Div Waverly Operations
5360-01-244-868711774 INTERCHANGEABLE
Spring,helical,compression
O F Mossberg & Sons Inc
2520-01-283-9739 INTERCHANGEABLE
Shifter Fork,vehicular
5935-01-336-538111-774 INTERCHANGEABLE
Connector,receptacle,electrical
Pollak Joseph Corp
Cross-Reference Index
Part NumberManufacturer
11774 PRIMARY L3harris Technologies, Inc. Dba Harris Corporation (USA)
11774 Ocean Technology Inc (USA)
Related Parts
5360-00-393-4685INTERCHANGEABLE
SPRING,HELICAL
4920-01-035-9108INTERCHANGEABLE
WASHER,OIL RETAINER
2530-01-150-9232INTERCHANGEABLE
LINK,TRACK
11774
5360-01-244-8687INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
11774
2520-01-283-9739INTERCHANGEABLE
SHIFTER FORK,VEHICULAR
5935-01-336-5381INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
11-774

Frequently Asked Questions

What is NSN 5999-01-136-0865?

NSN 5999-01-136-0865 is a Heat Sink,electrical-Electronic, manufactured by L3harris Technologies, Inc. Dba Harris Corporation, classified under FSC 5999 (No Item Name Available). Status: active.

What are the part numbers for NSN 5999-01-136-0865?

NSN 5999-01-136-0865 has 2 cross-referenced part numbers: 11774 (L3harris Technologies, Inc. Dba Harris Corporation), 11774 (Ocean Technology Inc).

What NSN replaces 5999-01-136-0865?

There are 6 known substitutes for 5999-01-136-0865: 5360-00-393-4685, 4920-01-035-9108, 2530-01-150-9232 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 11774?

Key specifications for 11774: Surface Treatment: ANODIZE; Special Features: BLACK COLOR,1.560 IN. LG.,1.062 IN. W.,0.340 IN. H. IN; Material: ALUMINUM ALLOY; End Item Identification: SR-2 TEST SET,H-1 ACFT. 8 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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