PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

18699Heat Sink,electrical-Electronic

Rantec Power Systems Inc. Dba Rantec Power Systems · NSN 5999-01-357-7381 · FSC 5999 · No Item Name Available
Verified by PartsTable
NSN 5999-01-357-7381 — this item is cataloged by the U.S. Government under National Stock Number 5999-01-357-7381. Primary manufacturer part number: 18699.
Features
  • Heat Sink,electrical-Electronic — FSC 5999
  • 1 verified cross-reference
  • Primary manufacturer: Rantec Power Systems Inc. Dba Rantec Power 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 5999-01-357-7381, 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 Rantec Power Systems Inc. Dba Rantec Power Systems. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5999-01-357-7381
Primary Part Number18699
Item NameHeat Sink,electrical-Electronic
FSC / FSG5999 / 59 — No Item Name Available
ManufacturerRantec Power Systems Inc. Dba Rantec Power Systems
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
3110-00-144-8850 INTERCHANGEABLE
Bearing,ball,annular
5360-00-344-060818699 INTERCHANGEABLE
Spring,helical,torsion
Ge Aviation Systems Llc Dba Ge Aviation Div Information Systems - Germantown
4730-00-812-4303RD127A INTERCHANGEABLE
Strainer Element,sediment
Wisconsin Motors, Llc
5970-01-529-4865ST5M1330-32DH INTERCHANGEABLE
Insulation Sleeving,electrical
The Boeing Company Div Defense
Cross-Reference Index
Part NumberManufacturer
18699 PRIMARY Rantec Power Systems Inc. Dba Rantec Power Systems (USA)
Related Parts
3110-00-144-8850INTERCHANGEABLE
BEARING,BALL,ANNULAR
5360-00-344-0608INTERCHANGEABLE
SPRING,HELICAL,TORSION
18699
4730-00-812-4303INTERCHANGEABLE
STRAINER ELEMENT,SEDIMENT
RD127A
5970-01-529-4865INTERCHANGEABLE
INSULATION SLEEVING,ELECTRICAL
ST5M1330-32DH

Frequently Asked Questions

What is NSN 5999-01-357-7381?

NSN 5999-01-357-7381 is a Heat Sink,electrical-Electronic, manufactured by Rantec Power Systems Inc. Dba Rantec Power Systems, classified under FSC 5999 (No Item Name Available). Status: active.

What are the part numbers for NSN 5999-01-357-7381?

NSN 5999-01-357-7381 has 1 cross-referenced part number: 18699 (Rantec Power Systems Inc. Dba Rantec Power Systems).

What NSN replaces 5999-01-357-7381?

There are 4 known substitutes for 5999-01-357-7381: 3110-00-144-8850, 5360-00-344-0608, 4730-00-812-4303 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 18699?

Key specifications for 18699: End Item Identification: HARRIER GR5; Special Features: SUBASSEMBLY FOR HIGH VOLTAGE POWER SUPPLY; End Item Identification: HARRIER GR5; Special Features: SUBASSEMBLY FOR HIGH VOLTAGE POWER SUPPLY. 4 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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