The Heat Sink,electrical-Electronic, cataloged under National Stock Number 5999-01-334-3593, 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 Interstate Electronics Corporation. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5999-01-334-3593 |
| Primary Part Number | H030-303-0002 |
| Item Name | Heat Sink,electrical-Electronic |
| FSC / FSG | 5999 / 59 — Miscellaneous Electrical and Electronic Components |
| Manufacturer | L3harris Interstate Electronics Corporation |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 4 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY |
| Surface Treatment Document and Classification | MIL-C-5541,TYPE II MIL SPEC SINGLE TREATMENT RESPONSE |
| Body Style | BOARD MOUNTED |
| Unthreaded Mounting Hole Diameter | 0.156 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Surface Treatment | CHROMATE |
| Accommodated Device Mounting Hole Pattern Style | FOUR HOLE - 0.958 - 0.190 |
| Material | ALUMINUM ALLOY 5052 |
| 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 |
| Weight | 0.0200 lbs |
| Cube | 0.0020 cu ft |
| Part Number | Manufacturer |
|---|---|
| H030-303-0002 PRIMARY | L3harris Interstate Electronics Corporation (USA) |
| 878-012-01000 PC19 | L3harris Interstate Electronics Corporation (USA) |
| Reference | Meaning |
|---|---|
| 6056B | 5/9 Secondary reference Thermalloy Co Inc |
NSN 5999-01-334-3593 is a Heat Sink,electrical-Electronic, manufactured by L3harris Interstate Electronics Corporation, classified under FSC 5999, Miscellaneous Electrical and Electronic Components. Status: active.
NSN 5999-01-334-3593 has 2 manufacturer part numbers on file: H030-303-0002 (L3harris Interstate Electronics Corporation), 878-012-01000 PC19 (L3harris Interstate Electronics Corporation).
Key specifications for H030-303-0002: Mounting Facility Type and Quantity: 4 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY; Overall Height: 0.750 INCHES NOMINAL IN; Surface Treatment Document and Classification: MIL-C-5541,TYPE II MIL SPEC SINGLE TREATMENT RESPONSE; Body Style: BOARD MOUNTED. 8 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.