NSN 5999-01-141-0403 · NIIN 011410403 · Part number 25C6921-1
L3harris Maritime Power & Energy Solutions, Inc · FSC 5999 — Miscellaneous Electrical and Electronic Components · FSG 59 — Electrical and Electronic Equipment Components · CAGE 04801
Government record, cited
NSN 5999-01-141-0403 — this item is cataloged by the U.S. Government under National Stock Number 5999-01-141-0403. Manufacturer of record part number: 25C6921-1.
Also searched as5999-01-141-0403 ·
5999011410403 ·
NIIN 011410403 ·
01-141-0403 ·
FSC 5999 Miscellaneous Electrical and Electronic Components · CAGE 04801 · 25C6921-1 · PL30D4822 ITEM 8
Manufacturer of record: L3harris Maritime Power & Energy Solutions, Inc
Identification
NSN: 5999-01-141-0403
NIIN: 011410403
FSC: 5999 — Miscellaneous Electrical and Electronic Components
FSG: 59 — Electrical and Electronic Equipment Components
Primary part number: 25C6921-1
Manufacturer: L3harris Maritime Power & Energy Solutions, Inc
General Description
The Heat Sink,electrical-Electronic, cataloged under National Stock Number 5999-01-141-0403, 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 Maritime Power & Energy Solutions, Inc. 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.
Catalog Facts
Item Name
Heat Sink,electrical-Electronic
FSC / FSG
5999 — Miscellaneous Electrical and Electronic Components (FSG 59)
Manufacturers
L3harris Maritime Power & Energy Solutions, Inc (CAGE 04801)
Technical Specifications
Parameter
Value
NSN
5999-01-141-0403
Primary Part Number
25C6921-1
Item Name
Heat Sink,electrical-Electronic
FSC / FSG
5999 / 59 — Miscellaneous Electrical and Electronic Components
Manufacturer
L3harris Maritime Power & Energy Solutions, Inc
Status
ACTIVE
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
Possible hazard — SDS may be required (DLA HMIC P)
L3harris Maritime Power & Energy Solutions, Inc (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 5999-01-141-0403?
NSN 5999-01-141-0403 is a Heat Sink,electrical-Electronic, manufactured by L3harris Maritime Power & Energy Solutions, Inc, classified under FSC 5999, Miscellaneous Electrical and Electronic Components. Status: active.
What part numbers are listed for NSN 5999-01-141-0403?
NSN 5999-01-141-0403 has 2 manufacturer part numbers on file: 25C6921-1 (L3harris Maritime Power & Energy Solutions, Inc), PL30D4822 ITEM 8 (L3harris Maritime Power & Energy Solutions, Inc).
Is NSN 5999-01-141-0403 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.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.