PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

R1457Heat Sink,electrical-Electronic

Lockheed Martin Corporation Div Rms - Manassas · NSN 5999-01-579-7225 · FSC 5999 · No Item Name Available
Verified by PartsTable
NSN 5999-01-579-7225 — this item is cataloged by the U.S. Government under National Stock Number 5999-01-579-7225. Primary manufacturer part number: R1457.
Features
  • Heat Sink,electrical-Electronic — FSC 5999
  • 6 verified cross-references
  • Primary manufacturer: Lockheed Martin Corporation Div Rms - Manassas
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 5999-01-579-7225, 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 Lockheed Martin Corporation Div Rms - Manassas. This item has 6 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5999-01-579-7225
Primary Part NumberR1457
Item NameHeat Sink,electrical-Electronic
FSC / FSG5999 / 59 — No Item Name Available
ManufacturerLockheed Martin Corporation Div Rms - Manassas
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Criticality Code00
Unit of IssueEA
SMR CodeCH
Weight45.0000 lbs
Cube2.8750 cu ft
Verified Substitutes 7
5998-00-283-441321100-06 INTERCHANGEABLE
Circuit Card Assembly
L3 Technologies, Inc. Dba Communication Systems-West Div Communication Systems-West
4810-01-027-2203211-002 INTERCHANGEABLE
Valve,solenoid
Aerocontrolex Group, Inc.
6220-01-115-3026211002 INTERCHANGEABLE
Light,marker,clearance
Betts Industries, Inc.
5950-01-183-6424 INTERCHANGEABLE
Reactor
5910-01-249-260521-1002 INTERCHANGEABLE
Capacitor,fixed,electrolytic
Astronics Test Systems Inc
5920-01-249-2708216 002 INTERCHANGEABLE
Fuse,cartridge
Littelfuse, Inc.
4820-01-339-0312244070 INTERCHANGEABLE
Valve,ball
Bromine Systems Inc
Cross-Reference Index
Part NumberManufacturer
79C0902-00 Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan (USA)
2110-02 Rotron Incorporated (USA)
2110-02-Q70 Ametek Inc Div Aerospace and Defense (USA)
R1457 PRIMARY Lockheed Martin Corporation Div Rms - Manassas (USA)
LT-C-0008-00 Laurel Technologies Partnership Dba Drs Laurel Technologies (USA)
B1457 PRIMARY Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan (USA)
Related Parts
5998-00-283-4413INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
21100-06
4810-01-027-2203INTERCHANGEABLE
VALVE,SOLENOID
211-002
6220-01-115-3026INTERCHANGEABLE
LIGHT,MARKER,CLEARANCE
211002
5950-01-183-6424INTERCHANGEABLE
REACTOR
5910-01-249-2605INTERCHANGEABLE
CAPACITOR,FIXED,ELECTROLYTIC
21-1002
5920-01-249-2708INTERCHANGEABLE
FUSE,CARTRIDGE
216 002
4820-01-339-0312INTERCHANGEABLE
VALVE,BALL
244070

Frequently Asked Questions

What is NSN 5999-01-579-7225?

NSN 5999-01-579-7225 is a Heat Sink,electrical-Electronic, manufactured by Lockheed Martin Corporation Div Rms - Manassas, classified under FSC 5999 (No Item Name Available). Status: active.

What are the part numbers for NSN 5999-01-579-7225?

NSN 5999-01-579-7225 has 6 cross-referenced part numbers: 79C0902-00 (Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan), 2110-02 (Rotron Incorporated), 2110-02-Q70 (Ametek Inc Div Aerospace and Defense), R1457 (Lockheed Martin Corporation Div Rms - Manassas), LT-C-0008-00 (Laurel Technologies Partnership Dba Drs Laurel Technologies) and 1 more.

What NSN replaces 5999-01-579-7225?

There are 7 known substitutes for 5999-01-579-7225: 5998-00-283-4413, 4810-01-027-2203, 6220-01-115-3026 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of R1457?

Key specifications for R1457: Special Features: HEAT EXCHANGER; Special Features: HEAT EXCHANGER. 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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