PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

N198645Heat Sink,electrical-Electronic

Safran Electrical & Power Uk Limited · NSN 5999-00-099-4476 · FSC 5999 · No Item Name Available
Verified by PartsTable
NSN 5999-00-099-4476 — this item is cataloged by the U.S. Government under National Stock Number 5999-00-099-4476. Primary manufacturer part number: N198645.
Features
  • Heat Sink,electrical-Electronic — FSC 5999
  • 2 verified cross-references
  • Primary manufacturer: Safran Electrical & Power Uk Limited
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 5999-00-099-4476, 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 Safran Electrical & Power Uk Limited. This item has 2 commercial cross-references from 2 manufacturers, 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)
ManufacturersJermyn Distribution (CAGE K1935); Safran Electrical & Power Uk Limited (CAGE K4358)
Successor NSN6625-00-984-2135 — Ammeter
Technical Specifications
ParameterValue
NSN5999-00-099-4476
Primary Part NumberN198645
Item NameHeat Sink,electrical-Electronic
FSC / FSG5999 / 59 — No Item Name Available
ManufacturerSafran Electrical & Power Uk Limited
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
Successor6625-00-984-2135 (2388802)
HAZMATNo
Shelf Life Code0
Criticality CodeN
Unit of IssueEA
SMR CodeX
Verified Substitutes 3
6625-00-984-21352388802 SUCCESSOR
Ammeter
Lockheed Martin Corporation Div Rms - Mitchel Field
5999-00-126-7160 INTERCHANGEABLE
Heat Sink,electrical-Electronic
5998-01-038-7089 INTERCHANGEABLE
Extender Card,electronic Test
Cross-Reference Index
Part NumberManufacturer
207 Jermyn Distribution (GBR)
N198645 PRIMARY Safran Electrical & Power Uk Limited (GBR)
Related Parts
SUCCESSOR 6625-00-984-2135 Ammeter · 2388802
5999-00-126-7160INTERCHANGEABLE
HEAT SINK,ELECTRICAL-ELECTRONIC
5998-01-038-7089INTERCHANGEABLE
EXTENDER CARD,ELECTRONIC TEST

Frequently Asked Questions

What is NSN 5999-00-099-4476?

NSN 5999-00-099-4476 is a Heat Sink,electrical-Electronic, manufactured by Safran Electrical & Power Uk Limited, classified under FSC 5999 (No Item Name Available). Status: active.

What are the part numbers for NSN 5999-00-099-4476?

NSN 5999-00-099-4476 has 2 cross-referenced part numbers: 207 (Jermyn Distribution), N198645 (Safran Electrical & Power Uk Limited).

What NSN replaces 5999-00-099-4476?

There are 3 known substitutes for 5999-00-099-4476: 6625-00-984-2135, 5999-00-126-7160, 5998-01-038-7089. Verify interchangeability with system specifications before substitution.

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