The Heat Sink,electrical-Electronic, cataloged under National Stock Number 5999-01-445-4608, 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 Raytheon Company Dba Raytheon Co. Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5999-01-445-4608 |
| Primary Part Number | G165044-2 |
| Item Name | Heat Sink,electrical-Electronic |
| FSC / FSG | 5999 / 59 — Miscellaneous Electrical and Electronic Components |
| Manufacturer | Raytheon Company Dba Raytheon Co |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 1 UNTHREADED HOLE(S) FIRST MOUNTING FACILITY |
| Mounting Facility Type and Quantity | 1 UNTHREADED HOLE(S) SECOND MOUNTING FACILITY |
| Surface Treatment Document and Classification | MIL-T-10727, TYPE 1 MIL SPEC SINGLE TREATMENT RESPONSE |
| Body Style | CYLINDRICAL |
| Overall Diameter | 0.580 INCHES NOMINAL IN |
| Unthreaded Mounting Hole Diameter | 0.093 INCHES NOMINAL FIRST MOUNTING FACILITY IN |
| Unthreaded Mounting Hole Diameter | 0.445 INCHES NOMINAL SECOND MOUNTING FACILITY IN |
| Material Document and Classification | QQ-B-502 FED SPEC SINGLE MATERIAL RESPONSE |
| Surface Treatment | TIN |
| Material | COPPER ALLOY 110 |
| 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 |
NSN 5999-01-445-4608 is a Heat Sink,electrical-Electronic, manufactured by Raytheon Company Dba Raytheon Co, classified under FSC 5999, Miscellaneous Electrical and Electronic Components. Status: active.
NSN 5999-01-445-4608 has 2 manufacturer part numbers on file: G165044-2 (Raytheon Company), G165044-2 (Raytheon Company Dba Raytheon Co).
Key specifications for G165044-2: Mounting Facility Type and Quantity: 1 UNTHREADED HOLE(S) FIRST MOUNTING FACILITY; Mounting Facility Type and Quantity: 1 UNTHREADED HOLE(S) SECOND MOUNTING FACILITY; Overall Height: 0.900 INCHES NOMINAL IN; Surface Treatment Document and Classification: MIL-T-10727, TYPE 1 MIL SPEC SINGLE TREATMENT RESPONSE. 10 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.