The Heat Sink,electrical-Electronic, cataloged under National Stock Number 5999-01-425-2289, 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. Government technical data includes 11 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.
| Parameter | Value |
|---|---|
| NSN | 5999-01-425-2289 |
| Primary Part Number | 930-12105-1 |
| Item Name | Heat Sink,electrical-Electronic |
| FSC / FSG | 5999 / 59 — Miscellaneous Electrical and Electronic Components |
| Manufacturer | L3harris Maritime Power & Energy Solutions, Inc |
| Status | ACTIVE |
| Surface Treatment Document and Classification | MIL-C-5541 CLASS 1 MIL SPEC SINGLE TREATMENT RESPONSE |
| Body Style | RECTANGULAR |
| Precious Material | GOLD |
| Material Document and Classification | QQ-A-200/8, 6061-T6511 FED SPEC SINGLE MATERIAL RESPONSE |
| Nominal Thread Size | 0.250 INCHES SECOND MOUNTING FACILITY IN |
| Surface Treatment | GOLD |
| Precious Material and Location | EXTERIOR FINISH GOLD |
| Thread Class | 2B SECOND MOUNTING FACILITY |
| Thread Quantity Per Inch | 20 SECOND MOUNTING FACILITY |
| Material | ALUMINUM ALLOY 6061 |
| Accommodated Device Mounting Hole Quantity | 4 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Shelf Life Code | 0 |
| Criticality Code | X |
| Unit of Issue | EA |
| Acquisition advice code | J |
| Part Number | Manufacturer |
|---|---|
| 930-12105-1 PRIMARY | L3harris Maritime Power & Energy Solutions, Inc (USA) |
NSN 5999-01-425-2289 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.
NSN 5999-01-425-2289 has 1 manufacturer part number on file: 930-12105-1 (L3harris Maritime Power & Energy Solutions, Inc).
Key specifications for 930-12105-1: Overall Height: 0.250 INCHES NOMINAL IN; Surface Treatment Document and Classification: MIL-C-5541 CLASS 1 MIL SPEC SINGLE TREATMENT RESPONSE; Body Style: RECTANGULAR; Precious Material: GOLD. 11 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
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.