The Heat Sink,electrical-Electronic, cataloged under National Stock Number 5999-00-760-2002, 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. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 8 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5999-00-760-2002 |
| Primary Part Number | 405445-1 |
| Item Name | Heat Sink,electrical-Electronic |
| FSC / FSG | 5999 / 59 — Miscellaneous Electrical and Electronic Components |
| Manufacturer | Raytheon Company |
| Status | ACTIVE |
| Surface Treatment Document and Classification | MIL-F-495 MIL SPEC SINGLE TREATMENT RESPONSE |
| Material Document and Classification | MIL-C-81021 MIL SPEC SINGLE MATERIAL RESPONSE |
| Surface Treatment | OXIDE |
| Material | COPPER ALLOY |
| 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 | 0.0200 lbs |
| Cube | 0.0003 cu ft |
| Part Number | Manufacturer |
|---|---|
| 405445-1 | Raytheon Company (USA) |
| GH825AJ1 | Northrop Grumman Systems Corporation (USA) |
| 405445-1 | Raytheon Company Dba Raytheon Co (USA) |
| 2516661-1 | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| 2125407 | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| 26 898-001 | Rockwell Collins Deutschland Gmbh Div Rockwell Collins International & Service Solutions (DEU) |
| 5048-745 | Raytheon Company Div Rmd Strategic (USA) |
| H031-002-0001 | L3harris Interstate Electronics Corporation (USA) |
| Reference | Meaning |
|---|---|
| HSC00-002 | 5/9 Secondary reference U.S. Government activity |
| 405445-1 | 5/9 Secondary reference Raytheon Company Div Corp |
| 9017-1P1U | 3/9 Design control — primary reference U.S. Government activity |
| 13212E1758 | 7/2 Vendor item drawing reference U.S. Government activity |
NSN 5999-00-760-2002 is a Heat Sink,electrical-Electronic, manufactured by Raytheon Company, classified under FSC 5999, Miscellaneous Electrical and Electronic Components. Status: active.
NSN 5999-00-760-2002 has 8 manufacturer part numbers on file: 405445-1 (Raytheon Company), GH825AJ1 (Northrop Grumman Systems Corporation), 405445-1 (Raytheon Company Dba Raytheon Co), 2516661-1 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 2125407 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier) and 3 more.
Key specifications for 405445-1: Overall Height: 0.375 INCHES MINIMUM IN; Surface Treatment Document and Classification: MIL-F-495 MIL SPEC SINGLE TREATMENT RESPONSE; Material Document and Classification: MIL-C-81021 MIL SPEC SINGLE MATERIAL RESPONSE; Surface Treatment: OXIDE. 4 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.