The Heat Sink,electrical-Electronic, cataloged under National Stock Number 5999-01-528-6782, 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 Boyd Laconia Llc. 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5999-01-528-6782 |
| Primary Part Number | 11472686-1 |
| Item Name | Heat Sink,electrical-Electronic |
| FSC / FSG | 5999 / 59 — Miscellaneous Electrical and Electronic Components |
| Manufacturer | Boyd Laconia Llc |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 2 UNTHREADED HOLE(S) SECOND MOUNTING FACILITY |
| Mounting Facility Type and Quantity | 2 UNTHREADED HOLE(S) FIRST MOUNTING FACILITY |
| Surface Treatment Document and Classification | MIL-C-5541 FED SPEC SINGLE TREATMENT RESPONSE |
| Body Style | BOARD MOUNTED |
| Precious Material | GOLD |
| Unthreaded Mounting Hole Diameter | 0.218 INCHES NOMINAL SECOND MOUNTING FACILITY IN |
| Unthreaded Mounting Hole Diameter | 0.188 INCHES NOMINAL FIRST MOUNTING FACILITY IN |
| Material Document and Classification | NAS4119 ASSN STD SINGLE MATERIAL RESPONSE |
| Specification/standard Data | 81349-MIL-H-87111/3/CANCELLED/ GOVERNMENT SPECIFICATION |
| Surface Treatment | GOLD AND CHROMATE |
| Material | 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 |
| Part Number | Manufacturer |
|---|---|
| 11472686-1 PRIMARY | Boyd Laconia Llc (USA) |
| Reference | Meaning |
|---|---|
| 11472686 | D/9 Drawing number reference only Us Army Aviation and Missile Command |
| 6354C-2G1 | 5/9 Secondary reference Thermalloy Co Inc |
| 11472686-1 | 7/2 Vendor item drawing reference Us Army Aviation and Missile Command |
| 11472686-1 | 5/9 Secondary reference Aavid Thermalloy Llc |
NSN 5999-01-528-6782 is a Heat Sink,electrical-Electronic, manufactured by Boyd Laconia Llc, classified under FSC 5999, Miscellaneous Electrical and Electronic Components. Status: active.
NSN 5999-01-528-6782 has 1 manufacturer part number on file: 11472686-1 (Boyd Laconia Llc).
Key specifications for 11472686-1: Mounting Facility Type and Quantity: 2 UNTHREADED HOLE(S) SECOND MOUNTING FACILITY; Mounting Facility Type and Quantity: 2 UNTHREADED HOLE(S) FIRST MOUNTING FACILITY; Overall Height: 1.217 INCHES MINIMUM AND 1.283 INCHES MAXIMUM IN; Surface Treatment Document and Classification: MIL-C-5541 FED 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.