NSN 5999-01-415-6848 · NIIN 014156848 · Part number 255989-1
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 5999-01-415-6848 — this item is cataloged by the U.S. Government under National Stock Number 5999-01-415-6848. Manufacturer of record part number: 255989-1.
Also searched as5999-01-415-6848 ·
5999014156848 ·
NIIN 014156848 ·
01-415-6848 ·
FSC 5999 Miscellaneous Electrical and Electronic Components · CAGE 24930 · 255989-1
Mounting Facility Type and Quantity: 41 UNTHREADED HOLE(S) FIRST MOUNTING FACILITY
Body Style: BOARD MOUNTEDBOARD MOUNTED
Unthreaded Mounting Hole Diameter: 0.056 INCHES NOMINAL FIRST MOUNTING FACILITY IN
Material Document and Classification: MIL-P-46112 MIL SPEC SINGLE MATERIAL RESPONSE
Material: PLASTIC POLYAMIDE NYLON
1 manufacturer part number on file
Manufacturer of record: L3harris Technologies, Inc Div Space & Airborne Systems
Identification
NSN: 5999-01-415-6848
NIIN: 014156848
FSC: 5999 — Miscellaneous Electrical and Electronic Components
FSG: 59 — Electrical and Electronic Equipment Components
Primary part number: 255989-1
Manufacturer: L3harris Technologies, Inc Div Space & Airborne Systems
General Description
The Heat Sink-Insulator, cataloged under National Stock Number 5999-01-415-6848, 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 5 specifications, cited from the U.S. Government catalog. 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
5999-01-415-6848
Primary Part Number
255989-1
Item Name
Heat Sink-Insulator
FSC / FSG
5999 / 59 — Miscellaneous Electrical and Electronic Components
Manufacturer
L3harris Technologies, Inc Div Space & Airborne Systems
Status
ACTIVE
Mounting Facility Type and Quantity
41 UNTHREADED HOLE(S) FIRST MOUNTING FACILITY
Body Style
BOARD MOUNTEDBOARD MOUNTED
Unthreaded Mounting Hole Diameter
0.056 INCHES NOMINAL FIRST MOUNTING FACILITY IN
Material Document and Classification
MIL-P-46112 MIL SPEC SINGLE MATERIAL RESPONSE
Material
PLASTIC POLYAMIDE NYLON
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
Possible hazard — SDS may be required (DLA HMIC P)
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 5999-01-415-6848?
NSN 5999-01-415-6848 is a Heat Sink-Insulator, 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 5999-01-415-6848?
NSN 5999-01-415-6848 has 1 manufacturer part number on file: 255989-1 (L3harris Technologies, Inc Div Space & Airborne Systems).
What are the specifications of 255989-1?
Key specifications for 255989-1: Mounting Facility Type and Quantity: 41 UNTHREADED HOLE(S) FIRST MOUNTING FACILITY; Overall Height: 5.640 INCHES NOMINAL5.640 INCHES NOMINAL IN; Body Style: BOARD MOUNTEDBOARD MOUNTED; Unthreaded Mounting Hole Diameter: 0.056 INCHES NOMINAL FIRST MOUNTING FACILITY IN. 5 specifications are documented in the U.S. Government catalog.
Is NSN 5999-01-415-6848 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.