The Heat Sink,electrical-Electronic, cataloged under National Stock Number 5999-01-183-6540, 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of the Electrical and Electronic Equipment Components group. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5999-01-183-6540 |
| 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 | JN |
| Weight | 0.0300 lbs |
| Cube | 0.0050 cu ft |
| Reference | Meaning |
|---|---|
| 0N275272 | 7/2 Vendor item drawing reference U.S. Government activity |
| 6025D | 5/9 Secondary reference Thermalloy Co Inc |
| 5425D | 3/9 Design control — primary reference Aavid Thermalloy Llc |
| 5425D | C/1 Advisory reference — outside the item-of-supply concept Boyd Laconia Llc |
NSN 5999-01-183-6540 is a Heat Sink,electrical-Electronic, classified under FSC 5999, Miscellaneous Electrical and Electronic Components. Status: active.
Key specifications for 5999-01-183-6540: Special Features: ALUMINUM ALLOY,NICKEL OR TIN PLATE; 1.389 IN. MIN TO 1.423 IN. MAX LG; 0.858 IN. MIN TO 0.892 IN. MAX W; 0.233 IN. MIN TO 0.267 IN. MAX H; ONE 0.108 IN. MIN TO 0.142 IN. MAX DIA; UNTHREADED MOUNTING HOLE IN. 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.