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NSN 5999-01-321-8385Government record, cited
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Heat Sink, Electrical-Electronic5999-01-321-8385

NSN 5999-01-321-8385 · NIIN 013218385 · Part number 139218FIND 7
L3harris Technologies, Inc Div Space & Airborne Systems · FSC 5999 — Miscellaneous Electrical and Electronic Components · FSG 59 — Electrical and Electronic Equipment Components · CAGE 24930
Government record, cited
NSN 5999-01-321-8385 — this item is cataloged by the U.S. Government under National Stock Number 5999-01-321-8385. Manufacturer of record part number: 139218FIND 7.
Also searched as  5999-01-321-8385 · 5999013218385 · NIIN 013218385 · 01-321-8385 · FSC 5999 Miscellaneous Electrical and Electronic Components · CAGE 24930 · 139218FIND 7 · 139218-17
Nearby stock numbers  ·
Features
  • Heat Sink,electrical-Electronic — FSC 5999
  • Material Document and Classification: QQ-A-250 FED SPEC SINGLE MATERIAL RESPONSE
  • Surface Treatment: CHROMATE
  • Material: ALUMINUM ALLOY 5052
  • 2 manufacturer part numbers on file
  • Manufacturer of record: L3harris Technologies, Inc Div Space & Airborne Systems
Identification
  • NSN: 5999-01-321-8385
  • NIIN: 013218385
  • FSC: 5999 — Miscellaneous Electrical and Electronic Components
  • FSG: 59 — Electrical and Electronic Equipment Components
  • Primary part number: 139218FIND 7
  • Manufacturer: L3harris Technologies, Inc Div Space & Airborne Systems
General Description

The Heat Sink,electrical-Electronic, cataloged under National Stock Number 5999-01-321-8385, is classified within Federal Supply Class 5999 (Miscellaneous Electrical and Electronic Components) of the Electrical and Electronic Equipment Components group. The manufacturer of record is L3harris Technologies, Inc Div Space & Airborne Systems. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5999-01-321-8385
Primary Part Number139218FIND 7
Item NameHeat Sink,electrical-Electronic
FSC / FSG5999 / 59 — Miscellaneous Electrical and Electronic Components
ManufacturerL3harris Technologies, Inc Div Space & Airborne Systems
StatusACTIVE
Material Document and ClassificationQQ-A-250 FED SPEC SINGLE MATERIAL RESPONSE
Surface TreatmentCHROMATE
MaterialALUMINUM ALLOY 5052
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardPossible hazard — SDS may be required (DLA HMIC P)
Shelf Life Code0
Criticality CodeX
Unit of IssueEA
Acquisition advice codeJ
Cross-Reference Index
Part NumberManufacturer
139218-17 L3harris Technologies, Inc Div Space & Airborne Systems (USA)
139218FIND 7 PRIMARY L3harris Technologies, Inc Div Space & Airborne Systems (USA)
No interchangeability data on file.
Other items in FSC 5999 — Miscellaneous Electrical and Electronic Components
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5999-00-001-1345
5999-00-001-1345 · Item name not on file
5999-00-001-1346
5999-00-001-1346 · Item name not on file
5999-00-001-1348
5999-00-001-1348 · Item name not on file
5999-00-001-1349
5999-00-001-1349 · Item name not on file
5999-00-001-1355
5999-00-001-1355 · Item name not on file
5999-00-001-1623
5999-00-001-1623 · Item name not on file
5999-00-001-2537
5999-00-001-2537 · Item name not on file
5999-00-001-2539
5999-00-001-2539 · Item name not on file

Frequently Asked Questions

What is NSN 5999-01-321-8385?

NSN 5999-01-321-8385 is a Heat Sink,electrical-Electronic, manufactured by L3harris Technologies, Inc Div Space & Airborne Systems, classified under FSC 5999, Miscellaneous Electrical and Electronic Components. Status: active.

What part numbers are listed for NSN 5999-01-321-8385?

NSN 5999-01-321-8385 has 2 manufacturer part numbers on file: 139218-17 (L3harris Technologies, Inc Div Space & Airborne Systems), 139218FIND 7 (L3harris Technologies, Inc Div Space & Airborne Systems).

What are the specifications of 139218FIND 7?

Key specifications for 139218FIND 7: Material Document and Classification: QQ-A-250 FED SPEC SINGLE MATERIAL RESPONSE; Overall Length: 8.380 INCHES NOMINAL IN; Overall Width: 6.620 INCHES NOMINAL IN; Surface Treatment: CHROMATE. 3 specifications are documented in the U.S. Government catalog.

Is NSN 5999-01-321-8385 hazardous material?

Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.

Sources

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.

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✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.
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