PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

P1103AHeat Sink,electrical-Electronic

Thermalloy Co Inc · NSN 5999-00-451-3849 · FSC 5999 · No Item Name Available
Verified by PartsTable
NSN 5999-00-451-3849 — this item is cataloged by the U.S. Government under National Stock Number 5999-00-451-3849. Primary manufacturer part number: P1103A.
Features
  • Heat Sink,electrical-Electronic — FSC 5999
  • 1 verified cross-reference
  • Primary manufacturer: Thermalloy Co Inc
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 5999-00-451-3849, 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. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Catalog Facts
Item NameHeat Sink,electrical-Electronic
FSC / FSG5999 — No Item Name Available (FSG 59)
ManufacturersThermalloy Co Inc (CAGE 13103)
Technical Specifications
ParameterValue
NSN5999-00-451-3849
Primary Part NumberP1103A
Item NameHeat Sink,electrical-Electronic
FSC / FSG5999 / 59 — No Item Name Available
ManufacturerThermalloy Co Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Criticality CodeN
Unit of IssueEA
SMR CodeJN
Weight0.0500 lbs
Cube0.0318 cu ft
Verified Substitutes 3
2910-00-304-34273315847 INTERCHANGEABLE
Filter Element,fluid
Cummins Inc.
5962-01-077-3505 INTERCHANGEABLE
Microcircuit,digital
5310-01-168-5378 INTERCHANGEABLE
Nut
Cross-Reference Index
Part NumberManufacturer
P1103A Thermalloy Co Inc (USA)
Related Parts
2910-00-304-3427INTERCHANGEABLE
FILTER ELEMENT,FLUID
3315847
5962-01-077-3505INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
5310-01-168-5378INTERCHANGEABLE
NUT

Frequently Asked Questions

What is NSN 5999-00-451-3849?

NSN 5999-00-451-3849 is a Heat Sink,electrical-Electronic, manufactured by Thermalloy Co Inc, classified under FSC 5999 (No Item Name Available). Status: active.

What are the part numbers for NSN 5999-00-451-3849?

NSN 5999-00-451-3849 has 1 cross-referenced part number: P1103A (Thermalloy Co Inc).

What NSN replaces 5999-00-451-3849?

There are 3 known substitutes for 5999-00-451-3849: 2910-00-304-3427, 5962-01-077-3505, 5310-01-168-5378. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com