The Heat Sink,electrical-Electronic, cataloged under National Stock Number 5999-01-263-2869, 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 Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp. Government technical data includes 5 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 | 5999-01-263-2869 |
| Primary Part Number | 1017A6054-4 |
| Item Name | Heat Sink,electrical-Electronic |
| FSC / FSG | 5999 / 59 — Miscellaneous Electrical and Electronic Components |
| Manufacturer | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 6 UNTHREADED HOLE(S) ALL MOUNTING FACILITIES |
| Surface Treatment Document and Classification | MIL-C-14550 MIL SPEC 1ST TREATMENT RESPONSE AND QQ-N-290,CLASS 1 FED SPEC 2ND TREATMENT RESPONSE |
| Unthreaded Mounting Hole Diameter | 0.193 INCHES MINIMUM AND 0.199 INCHES MAXIMUM ALL MOUNTING FACILITIES IN |
| Surface Treatment | COPPER ALLOY AND NICKEL |
| Material | GLASS FIBER |
| 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 |
|---|---|
| 1017A6054-4 PRIMARY | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA) |
NSN 5999-01-263-2869 is a Heat Sink,electrical-Electronic, manufactured by Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp, classified under FSC 5999, Miscellaneous Electrical and Electronic Components. Status: active.
NSN 5999-01-263-2869 has 1 manufacturer part number on file: 1017A6054-4 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp).
Key specifications for 1017A6054-4: Mounting Facility Type and Quantity: 6 UNTHREADED HOLE(S) ALL MOUNTING FACILITIES; Overall Height: 0.125 INCHES NOMINAL IN; Surface Treatment Document and Classification: MIL-C-14550 MIL SPEC 1ST TREATMENT RESPONSE AND QQ-N-290,CLASS 1 FED SPEC 2ND TREATMENT RESPONSE; Unthreaded Mounting Hole Diameter: 0.193 INCHES MINIMUM AND 0.199 INCHES MAXIMUM ALL MOUNTING FACILITIES IN. 5 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.