The Heat Sink,electrical-Electronic, cataloged under National Stock Number 5999-01-340-0607, is classified within Federal Supply Class 5999 (Miscellaneous Electrical and Electronic Components) of the Electrical and Electronic Equipment Components group. Government technical data includes 11 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5999-01-340-0607 |
| Item Name | Heat Sink,electrical-Electronic |
| FSC / FSG | 5999 / 59 — Miscellaneous Electrical and Electronic Components |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 4 UNTHREADED HOLE(S) FIRST MOUNTING FACILITY |
| Mounting Facility Type and Quantity | 1 UNTHREADED HOLE(S) SECOND MOUNTING FACILITY |
| Surface Treatment Document and Classification | MIL-A-8625,TYPE I OR TYPE II MIL SPEC SINGLE TREATMENT RESPONSE |
| Body Style | BOARD MOUNTED |
| Unthreaded Mounting Hole Diameter | 0.140 INCHES MINIMUM AND 0.154 INCHES MAXIMUM FIRST MOUNTING FACILITY IN |
| Unthreaded Mounting Hole Diameter | 0.263 INCHES MINIMUM AND 0.277 INCHES MAXIMUM SECOND MOUNTING FACILITY IN |
| Material Document and Classification | QQ-A-200 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-A-250 FED SPEC SINGLE MATERIAL RESPONSE |
| Specification/standard Data | 81349-MIL-H-87111/5 GOVERNMENT SPECIFICATION |
| Surface Treatment | ANODIZE |
| 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 | ALUMINUM OR ALUMINUM 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 |
|---|---|
| MIL-H-87111/5 | 4/1 Identification reference U.S. Government activity |
| M87111/05-1A221 | 2/2 Government specification standardization U.S. Government activity |
NSN 5999-01-340-0607 is a Heat Sink,electrical-Electronic, classified under FSC 5999, Miscellaneous Electrical and Electronic Components. Status: active.
Key specifications for 5999-01-340-0607: Mounting Facility Type and Quantity: 4 UNTHREADED HOLE(S) FIRST MOUNTING FACILITY; Mounting Facility Type and Quantity: 1 UNTHREADED HOLE(S) SECOND MOUNTING FACILITY; Overall Height: 1.000 INCHES MINIMUM AND 1.500 INCHES MAXIMUM IN; Surface Treatment Document and Classification: MIL-A-8625,TYPE I OR TYPE II MIL SPEC SINGLE TREATMENT RESPONSE. 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.