PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

7069743-01Heat Sink,electrical-Electronic

Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan · NSN 5999-00-491-1289 · FSC 5999 · No Item Name Available
Verified by PartsTable
NSN 5999-00-491-1289 — this item is cataloged by the U.S. Government under National Stock Number 5999-00-491-1289. Primary manufacturer part number: 7069743-01.
Features
  • Heat Sink,electrical-Electronic — FSC 5999
  • 2 verified cross-references
  • Primary manufacturer: Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan
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 5999-00-491-1289, 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 Corp Dba Lockheed Martin Div Mst - Eagan. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5999-00-491-1289
Primary Part Number7069743-01
Item NameHeat Sink,electrical-Electronic
FSC / FSG5999 / 59 — No Item Name Available
ManufacturerLockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Unit of IssueEA
SMR CodeJ
Verified Substitutes 10
6640-00-403-100013500 5 INTERCHANGEABLE
Bead,laboratory
Gerresheimer Glass Inc Div Gerresheimer Glass
5310-00-538-7190 INTERCHANGEABLE
Nut,plain,hexagon
6680-00-704-3693103103-004 INTERCHANGEABLE
Counter,electrical
Dynapar Corp Div Specialty Product Technologies
6510-00-786-37366818- INTERCHANGEABLE
Pad,isopropyl Alcohol Impregnate
Cardinal Health 200, Llc
1680-00-808-4229695694-5 INTERCHANGEABLE
Shaft Assembly,flexible
Cef Industries Inc Flexible Shaft Div
5910-00-885-8980103103 INTERCHANGEABLE
Capacitor,fixed,plastic Dielectr
Honeywell Inc Residential Div
4820-01-305-8989 INTERCHANGEABLE
Nozzle,valve
3120-01-449-89929314A02-2115 INTERCHANGEABLE
Bearing,washer,thrust
Bunting Bearings Corp
5905-01-462-853610-3103 INTERCHANGEABLE
Resistor,variable,nonwire Wound,
L3 Technologies, Inc.
3010-01-668-9823103103 INTERCHANGEABLE
Torque Limiter Assembly,mechanic
Tim Price Inc. Dba Tim Price Inc
Cross-Reference Index
Part NumberManufacturer
7069743-01 PRIMARY Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan (USA)
103103 Lockhart Industries Inc (USA)
Related Parts
6640-00-403-1000INTERCHANGEABLE
BEAD,LABORATORY
13500 5
5310-00-538-7190INTERCHANGEABLE
NUT,PLAIN,HEXAGON
6680-00-704-3693INTERCHANGEABLE
COUNTER,ELECTRICAL
103103-004
6510-00-786-3736INTERCHANGEABLE
PAD,ISOPROPYL ALCOHOL IMPREGNATE
6818-
1680-00-808-4229INTERCHANGEABLE
SHAFT ASSEMBLY,FLEXIBLE
695694-5
5910-00-885-8980INTERCHANGEABLE
CAPACITOR,FIXED,PLASTIC DIELECTR
103103
4820-01-305-8989INTERCHANGEABLE
NOZZLE,VALVE
3120-01-449-8992INTERCHANGEABLE
BEARING,WASHER,THRUST
9314A02-2115
5905-01-462-8536INTERCHANGEABLE
RESISTOR,VARIABLE,NONWIRE WOUND,
10-3103
3010-01-668-9823INTERCHANGEABLE
TORQUE LIMITER ASSEMBLY,MECHANIC
103103

Frequently Asked Questions

What is NSN 5999-00-491-1289?

NSN 5999-00-491-1289 is a Heat Sink,electrical-Electronic, manufactured by Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan, classified under FSC 5999 (No Item Name Available). Status: active.

What are the part numbers for NSN 5999-00-491-1289?

NSN 5999-00-491-1289 has 2 cross-referenced part numbers: 7069743-01 (Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan), 103103 (Lockhart Industries Inc).

What NSN replaces 5999-00-491-1289?

There are 10 known substitutes for 5999-00-491-1289: 6640-00-403-1000, 5310-00-538-7190, 6680-00-704-3693 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 7069743-01?

Key specifications for 7069743-01: Special Features: METAL; 14.560 IN. LG; 11.730 IN. W; 0.969 IN. H; EIGTEEN VARIOUS SIZE HOLES IRREGULARLY SPACED IN; Special Features: METAL; 14.560 IN. LG; 11.730 IN. W; 0.969 IN. H; EIGTEEN VARIOUS SIZE HOLES IRREGULARLY SPACED IN. 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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