The Heat Sink,electrical-Electronic, cataloged under National Stock Number 5999-01-332-8397, 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 Palomar Products, Inc.. Government technical data includes 11 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. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5999-01-332-8397 |
| Primary Part Number | 1160405 |
| Item Name | Heat Sink,electrical-Electronic |
| FSC / FSG | 5999 / 59 — Miscellaneous Electrical and Electronic Components |
| Manufacturer | Palomar Products, Inc. |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 6 THREADED HOLE(S) SECOND MOUNTING FACILITY |
| Mounting Facility Type and Quantity | 12 UNTHREADED HOLE(S) FIRST MOUNTING FACILITY |
| Surface Treatment Document and Classification | MIL-C-5541,CLASS 1A MIL SPEC SINGLE TREATMENT RESPONSE A |
| Body Style | EXTRUDED |
| Unthreaded Mounting Hole Diameter | 0.139 INCHES MINIMUM AND 0.149 INCHES MAXIMUM FIRST MOUNTING FACILITY IN |
| Material Document and Classification | QQ-A-250/11 FED SPEC SINGLE MATERIAL RESPONSE |
| Nominal Thread Size | 0.138 INCHES SECOND MOUNTING FACILITY IN |
| Surface Treatment | CHROMATE |
| Thread Class | 2B SECOND MOUNTING FACILITY |
| Material | ALUMINUM ALLOY 6061 |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) SECOND 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 |
| Part Number | Manufacturer |
|---|---|
| 1160405 PRIMARY | Palomar Products, Inc. (USA) |
NSN 5999-01-332-8397 is a Heat Sink,electrical-Electronic, manufactured by Palomar Products, Inc., classified under FSC 5999, Miscellaneous Electrical and Electronic Components. Status: active.
NSN 5999-01-332-8397 has 1 manufacturer part number on file: 1160405 (Palomar Products, Inc.).
Key specifications for 1160405: Mounting Facility Type and Quantity: 6 THREADED HOLE(S) SECOND MOUNTING FACILITY; Mounting Facility Type and Quantity: 12 UNTHREADED HOLE(S) FIRST MOUNTING FACILITY; Overall Height: 0.500 INCHES MINIMUM AND 0.520 INCHES MAXIMUM IN; Surface Treatment Document and Classification: MIL-C-5541,CLASS 1A MIL SPEC SINGLE TREATMENT RESPONSE A. 11 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.