NSN 5999-01-656-9580 · NIIN 016569580 · Part number S203603-303
Soderberg Manufacturing Company, Inc. Dba Soderberg Manufacturing · FSC 5999 — Miscellaneous Electrical and Electronic Components · FSG 59 — Electrical and Electronic Equipment Components · CAGE 78366
Government record, cited
NSN 5999-01-656-9580 — this item is cataloged by the U.S. Government under National Stock Number 5999-01-656-9580. Manufacturer of record part number: S203603-303.
Also searched as5999-01-656-9580 ·
5999016569580 ·
NIIN 016569580 ·
01-656-9580 ·
FSC 5999 Miscellaneous Electrical and Electronic Components · CAGE 78366 · S203603-303
Manufacturer of record: Soderberg Manufacturing Company, Inc. Dba Soderberg Manufacturing
Identification
NSN: 5999-01-656-9580
NIIN: 016569580
FSC: 5999 — Miscellaneous Electrical and Electronic Components
FSG: 59 — Electrical and Electronic Equipment Components
Primary part number: S203603-303
Manufacturer: Soderberg Manufacturing Company, Inc. Dba Soderberg Manufacturing
General Description
The Heat Sink,electrical-Electronic, cataloged under National Stock Number 5999-01-656-9580, 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 Soderberg Manufacturing Company, Inc. Dba Soderberg Manufacturing. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active. Unit of issue: EA.
Technical Specifications
Parameter
Value
NSN
5999-01-656-9580
Primary Part Number
S203603-303
Item Name
Heat Sink,electrical-Electronic
FSC / FSG
5999 / 59 — Miscellaneous Electrical and Electronic Components
Manufacturer
Soderberg Manufacturing Company, Inc. Dba Soderberg Manufacturing
Status
ACTIVE
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL Q — CCL Item — Commerce Control List
Hazard
Possible hazard — SDS may be required (DLA HMIC P)
Soderberg Manufacturing Company, Inc. Dba Soderberg Manufacturing (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 5999-01-656-9580?
NSN 5999-01-656-9580 is a Heat Sink,electrical-Electronic, manufactured by Soderberg Manufacturing Company, Inc. Dba Soderberg Manufacturing, classified under FSC 5999, Miscellaneous Electrical and Electronic Components. Status: active.
What part numbers are listed for NSN 5999-01-656-9580?
NSN 5999-01-656-9580 has 1 manufacturer part number on file: S203603-303 (Soderberg Manufacturing Company, Inc. Dba Soderberg Manufacturing).
What are the specifications of S203603-303?
Key specifications for S203603-303: Part Name Assigned by Controlling Agency: HEATSINK,LEFT; End Item Identification: F-15SA. 0 specifications are documented in the U.S. Government catalog.
Is NSN 5999-01-656-9580 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.
What is the DEMIL code for NSN 5999-01-656-9580?
NSN 5999-01-656-9580 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.