The Heat Sink,electrical-Electronic, cataloged under National Stock Number 5999-01-345-0167, is classified within Federal Supply Class 5999 (Miscellaneous Electrical and Electronic Components) of the Electrical and Electronic Equipment Components group. Government technical data includes 8 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5999-01-345-0167 |
| Item Name | Heat Sink,electrical-Electronic |
| FSC / FSG | 5999 / 59 — Miscellaneous Electrical and Electronic Components |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 1 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY |
| Surface Treatment Document and Classification | MIL-F-495 MIL SPEC SINGLE TREATMENT RESPONSE |
| Body Style | CYLINDRICAL PRESS-ON |
| Unthreaded Mounting Hole Diameter | 0.155 INCHES MINIMUM AND 0.175 INCHES MAXIMUM SINGLE MOUNTING FACILITY IN |
| Specification/standard Data | 81349-MIL-H-87111/4 GOVERNMENT SPECIFICATION |
| Surface Treatment | CHROMATE |
| Test Data Document | 81349-MIL-H-87111 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.). |
| Material | COPPER ALLOY |
| 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 |
| Reference | Meaning |
|---|---|
| M87111/03-2B06 | 2/2 Government specification standardization U.S. Government activity |
| MIL-H-87111/3 | 4/1 Identification reference U.S. Government activity |
NSN 5999-01-345-0167 is a Heat Sink,electrical-Electronic, classified under FSC 5999, Miscellaneous Electrical and Electronic Components. Status: active.
Key specifications for 5999-01-345-0167: Mounting Facility Type and Quantity: 1 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY; Overall Height: 0.360 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN; Surface Treatment Document and Classification: MIL-F-495 MIL SPEC SINGLE TREATMENT RESPONSE; Body Style: CYLINDRICAL PRESS-ON. 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.