The Heat Sink,electrical-Electronic, cataloged under National Stock Number 5999-00-686-5946, is classified within Federal Supply Class 5999 (Miscellaneous Electrical and Electronic Components) of the Electrical and Electronic Equipment Components group. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Heat Sink,electrical-Electronic |
| FSC / FSG | 5999 — Miscellaneous Electrical and Electronic Components (FSG 59) |
| Parameter | Value |
|---|---|
| NSN | 5999-00-686-5946 |
| Item Name | Heat Sink,electrical-Electronic |
| FSC / FSG | 5999 / 59 — Miscellaneous Electrical and Electronic Components |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Reference | Meaning |
|---|---|
| 301N | 5/9 Secondary reference Eg and G Wakefield Engineering |
| D5-15-3857 | 3/2 Design control — primary reference U.S. Government activity |
| NC301N103 | 5/9 Secondary reference Eg and G Wakefield Engineering |
| 27D50768B01B10 | 5/9 Secondary reference Thermalloy Co Inc |
NSN 5999-00-686-5946 is a Heat Sink,electrical-Electronic, classified under FSC 5999, Miscellaneous Electrical and Electronic Components. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 6210-01-592-2374. Verify interchangeability with system specifications before substitution.
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.