NSN 5999-01-549-7399 · NIIN 015497399 · Part number 674920
Hamilton Sundstrand Corporation Div Mission Systems · FSC 5999 — Miscellaneous Electrical and Electronic Components · FSG 59 — Electrical and Electronic Equipment Components · CAGE 26581
Government record, cited
NSN 5999-01-549-7399 — this item is cataloged by the U.S. Government under National Stock Number 5999-01-549-7399. Manufacturer of record part number: 674920.
Also searched as5999-01-549-7399 ·
5999015497399 ·
NIIN 015497399 ·
01-549-7399 ·
FSC 5999 Miscellaneous Electrical and Electronic Components · CAGE 26581 · 674920
Manufacturer of record: Hamilton Sundstrand Corporation Div Mission Systems
Identification
NSN: 5999-01-549-7399
NIIN: 015497399
FSC: 5999 — Miscellaneous Electrical and Electronic Components
FSG: 59 — Electrical and Electronic Equipment Components
Primary part number: 674920
Manufacturer: Hamilton Sundstrand Corporation Div Mission Systems
General Description
The Heat Sink,electrical-Electronic, cataloged under National Stock Number 5999-01-549-7399, 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 Hamilton Sundstrand Corporation Div Mission Systems. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
5999-01-549-7399
Primary Part Number
674920
Item Name
Heat Sink,electrical-Electronic
FSC / FSG
5999 / 59 — Miscellaneous Electrical and Electronic Components
Manufacturer
Hamilton Sundstrand Corporation Div Mission Systems
Status
ACTIVE
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
Possible hazard — SDS may be required (DLA HMIC P)
Hamilton Sundstrand Corporation Div Mission 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 5999-01-549-7399?
NSN 5999-01-549-7399 is a Heat Sink,electrical-Electronic, manufactured by Hamilton Sundstrand Corporation Div Mission Systems, classified under FSC 5999, Miscellaneous Electrical and Electronic Components. Status: active.
What part numbers are listed for NSN 5999-01-549-7399?
NSN 5999-01-549-7399 has 1 manufacturer part number on file: 674920 (Hamilton Sundstrand Corporation Div Mission Systems).
What are the specifications of 674920?
Key specifications for 674920: Special Features: NEXT HIGHER ASSEMBLY 674920-101; Part Name Assigned by Controlling Agency: PREAMP AND HEAT SINK; End Item Identification: MODEL NZ2362Z40185. 0 specifications are documented in the U.S. Government catalog.
Is NSN 5999-01-549-7399 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.