The Heat Sink,electrical-Electronic, cataloged under National Stock Number 5999-01-477-8922, is classified within Federal Supply Class 5999 (Miscellaneous Electrical and Electronic Components) of the Electrical and Electronic Equipment Components group. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5999-01-477-8922 |
| 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) |
| Shelf Life Code | 0 |
| Criticality Code | X |
| Unit of Issue | EA |
| Acquisition advice code | J |
| Reference | Meaning |
|---|---|
| 121167 | D/9 Drawing number reference only U.S. Government activity |
| 121167-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5999-01-477-8922 is a Heat Sink,electrical-Electronic, classified under FSC 5999, Miscellaneous Electrical and Electronic Components. Status: active.
Key specifications for 5999-01-477-8922: Special Features: DIMENSIONS ARE HEIGHT 5.38 INCHES; LENGTH 6.12 INCHES;DEPTH 3.50 INCHES;THE MATERIAL IS 0.31 INCHES DEEP; "L" SHAPED IN; End Item Identification: 5998-01-477-8919, A "HEAT SINK ASSEMBLY"; E/I MARK 105, MOD 4 JUNCTION BOX A. 0 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.