The Heat Sink,electrical-Electronic, cataloged under National Stock Number 5999-01-395-2452, 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 13 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5999-01-395-2452 |
| Primary Part Number | A3111040-001 |
| Item Name | Heat Sink,electrical-Electronic |
| FSC / FSG | 5999 / 59 — Miscellaneous Electrical and Electronic Components |
| Manufacturer | Raytheon Company |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 1 THREADED HOLE(S) FIRST MOUNTING FACILITY |
| Mounting Facility Type and Quantity | 2 THREADED HOLE(S) SECOND MOUNTING FACILITY |
| Surface Treatment Document and Classification | MIL-C-5541, CLASS 1A MIL SPEC SINGLE TREATMENT RESPONSE A |
| Body Style | FORCED CONVECTION |
| Material Document and Classification | QQ-A-250/11T-6 FED SPEC SINGLE MATERIAL RESPONSE |
| Nominal Thread Size | 0.112 INCHES FIRST MOUNTING FACILITY IN |
| Nominal Thread Size | 0.086 INCHES SECOND MOUNTING FACILITY IN |
| Surface Treatment | CHROMATE |
| Thread Class | 2B SECOND MOUNTING FACILITY |
| Thread Class | 2B FIRST MOUNTING FACILITY |
| Material | ALUMINUM ALLOY 6061 |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) SECOND MOUNTING FACILITY |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) FIRST MOUNTING FACILITY |
| 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 | 0.1200 lbs |
| Cube | 0.0043 cu ft |
| Part Number | Manufacturer |
|---|---|
| A3111040-001 | Raytheon Company (USA) |
| Reference | Meaning |
|---|---|
| A3111040-001 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5999-01-395-2452 is a Heat Sink,electrical-Electronic, manufactured by Raytheon Company, classified under FSC 5999, Miscellaneous Electrical and Electronic Components. Status: active.
NSN 5999-01-395-2452 has 1 manufacturer part number on file: A3111040-001 (Raytheon Company).
Key specifications for A3111040-001: Mounting Facility Type and Quantity: 1 THREADED HOLE(S) FIRST MOUNTING FACILITY; Mounting Facility Type and Quantity: 2 THREADED HOLE(S) SECOND MOUNTING FACILITY; Overall Height: 0.425 INCHES NOMINAL IN; Surface Treatment Document and Classification: MIL-C-5541, CLASS 1A MIL SPEC SINGLE TREATMENT RESPONSE A. 13 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.