The Heat Sink,electrical-Electronic, cataloged under National Stock Number 5999-00-437-3752, 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 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 7 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 | 5999-00-437-3752 |
| Primary Part Number | 2619846-1 |
| Item Name | Heat Sink,electrical-Electronic |
| FSC / FSG | 5999 / 59 — Miscellaneous Electrical and Electronic Components |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 1 THREADED HOLE(S) SINGLE MOUNTING FACILITY |
| Overall Diameter | 0.458 INCHES NOMINAL IN |
| Material Document and Classification | QQ-B-626 FED SPEC SINGLE MATERIAL RESPONSE |
| Nominal Thread Size | 0.250 INCHES SINGLE MOUNTING FACILITY IN |
| Thread Class | 2B SINGLE MOUNTING FACILITY |
| Material | COPPER ALLOY 230 |
| Thread Series Designator | UNS SINGLE MOUNTING FACILITY |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Shelf Life Code | 0 |
| Criticality Code | X |
| Unit of Issue | EA |
| Acquisition advice code | X |
| Part Number | Manufacturer |
|---|---|
| 2619846-1 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
NSN 5999-00-437-3752 is a Heat Sink,electrical-Electronic, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5999, Miscellaneous Electrical and Electronic Components. Status: active.
NSN 5999-00-437-3752 has 1 manufacturer part number on file: 2619846-1 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
Key specifications for 2619846-1: Mounting Facility Type and Quantity: 1 THREADED HOLE(S) SINGLE MOUNTING FACILITY; Overall Height: 0.216 INCHES NOMINAL IN; Overall Diameter: 0.458 INCHES NOMINAL IN; Material Document and Classification: QQ-B-626 FED SPEC SINGLE MATERIAL RESPONSE. 7 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 5999-00-437-3752 has DEMIL Code B. 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.