The Heat Sink,electrical-Electronic, cataloged under National Stock Number 5999-01-281-4002, is classified within Federal Supply Class 5999 (Miscellaneous Electrical and Electronic Components) of the Electrical and Electronic Equipment Components group. Government technical data includes 9 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5999-01-281-4002 |
| Item Name | Heat Sink,electrical-Electronic |
| FSC / FSG | 5999 / 59 — Miscellaneous Electrical and Electronic Components |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 6 UNTHREADED HOLE(S) FIRST MOUNTING FACILITY |
| Mounting Facility Type and Quantity | 8 UNTHREADED HOLE(S) SECOND MOUNTING FACILITY |
| Mounting Facility Type and Quantity | 8 UNTHREADED HOLE(S) THIRD MOUNTING FACILITY |
| Criticality Code Justification | FEAT |
| Unthreaded Mounting Hole Diameter | 0.140 INCHES NOMINAL FIRST MOUNTING FACILITY IN |
| Unthreaded Mounting Hole Diameter | 0.188 INCHES NOMINAL THIRD MOUNTING FACILITY IN |
| Unthreaded Mounting Hole Diameter | 0.323 INCHES MINIMUM AND 0.328 INCHES MAXIMUM SECOND MOUNTING FACILITY IN |
| Surface Treatment | ANODIZE |
| Material | ALUMINUM ALLOY |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Shelf Life Code | 0 |
| Criticality Code | Y |
| Unit of Issue | EA |
| Acquisition advice code | Z |
| Weight | 0.5000 lbs |
| Cube | 0.0176 cu ft |
| Reference | Meaning |
|---|---|
| 129402G1 | C/1 Advisory reference — outside the item-of-supply concept Boyd Laconia Llc |
| 129402G1 | 3/9 Design control — primary reference Aavid Thermalloy Llc |
| 129402G1 | 5/2 Secondary reference U.S. Government activity |
NSN 5999-01-281-4002 is a Heat Sink,electrical-Electronic, classified under FSC 5999, Miscellaneous Electrical and Electronic Components. Status: active.
Key specifications for 5999-01-281-4002: Mounting Facility Type and Quantity: 6 UNTHREADED HOLE(S) FIRST MOUNTING FACILITY; Mounting Facility Type and Quantity: 8 UNTHREADED HOLE(S) SECOND MOUNTING FACILITY; Mounting Facility Type and Quantity: 8 UNTHREADED HOLE(S) THIRD MOUNTING FACILITY; Overall Height: 1.375 INCHES NOMINAL IN. 9 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.
NSN 5999-01-281-4002 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.