The Heat Sink,electrical-Electronic, cataloged under National Stock Number 5999-01-211-6668, is classified within Federal Supply Class 5999 (Miscellaneous Electrical and Electronic Components) of the Electrical and Electronic Equipment Components group. Government technical data includes 7 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5999-01-211-6668 |
| Item Name | Heat Sink,electrical-Electronic |
| FSC / FSG | 5999 / 59 — Miscellaneous Electrical and Electronic Components |
| Status | ACTIVE |
| Surface Treatment Document and Classification | MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE |
| Overall Diameter | 0.720 INCHES NOMINAL IN |
| Material Document and Classification | QQ-C-533 FED SPEC SINGLE MATERIAL RESPONSE OR MIL-C-81021 MIL SPEC SINGLE MATERIAL RESPONSE |
| Specification/standard Data | 81349-MIL-H-87111/3 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 | 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 | JZ |
| Weight | 0.0200 lbs |
| Cube | 0.0052 cu ft |
| Reference | Meaning |
|---|---|
| M87111/03-2A07 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 142C869H01 | 3/9 Design control — primary reference U.S. Government activity |
| CS-600002-2 | C/1 Advisory reference — outside the item-of-supply concept Leonardo Mw Ltd |
| 142C869H01 | 5/9 Secondary reference Northrop Grumman Support Services Corp |
NSN 5999-01-211-6668 is a Heat Sink,electrical-Electronic, classified under FSC 5999, Miscellaneous Electrical and Electronic Components. Status: active.
Key specifications for 5999-01-211-6668: Overall Height: 0.187 INCHES NOMINAL IN; Surface Treatment Document and Classification: MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE; Overall Diameter: 0.720 INCHES NOMINAL IN; Material Document and Classification: QQ-C-533 FED SPEC SINGLE MATERIAL RESPONSE OR MIL-C-81021 MIL SPEC SINGLE MATERIAL RESPONSE. 7 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.