The Heat Sink,electrical-Electronic, cataloged under National Stock Number 5999-01-246-9668, 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 L3harris Technologies, Inc Div Space & Airborne Systems. Government technical data includes 6 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5999-01-246-9668 |
| Primary Part Number | G300682S1 |
| Item Name | Heat Sink,electrical-Electronic |
| FSC / FSG | 5999 / 59 — Miscellaneous Electrical and Electronic Components |
| Manufacturer | L3harris Technologies, Inc Div Space & Airborne Systems |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 4 UNTHREADED HOLE(S) ALL MOUNTING FACILITIES |
| Surface Treatment Document and Classification | MIL-A-8625,TYPE 3,CLASS 2 MIL SPEC SINGLE TREATMENT RESPONSE |
| Unthreaded Mounting Hole Diameter | 0.220 INCHES MINIMUM AND 0.226 INCHES MAXIMUM ALL MOUNTING FACILITIES IN |
| Material Document and Classification | QQ-A-200,T-5 FED SPEC SINGLE MATERIAL RESPONSE |
| Surface Treatment | ANODIZE |
| Material | ALUMINUM ALLOY 6063 |
| 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 | J |
| Weight | 0.4000 lbs |
| Cube | 0.0040 cu ft |
| Part Number | Manufacturer |
|---|---|
| G300682S1 PRIMARY | L3harris Technologies, Inc Div Space & Airborne Systems (USA) |
| Reference | Meaning |
|---|---|
| 7-464-X17-HBA | 5/2 Secondary reference U.S. Government activity |
NSN 5999-01-246-9668 is a Heat Sink,electrical-Electronic, manufactured by L3harris Technologies, Inc Div Space & Airborne Systems, classified under FSC 5999, Miscellaneous Electrical and Electronic Components. Status: active.
NSN 5999-01-246-9668 has 1 manufacturer part number on file: G300682S1 (L3harris Technologies, Inc Div Space & Airborne Systems).
Key specifications for G300682S1: Mounting Facility Type and Quantity: 4 UNTHREADED HOLE(S) ALL MOUNTING FACILITIES; Overall Height: 1.500 INCHES NOMINAL IN; Surface Treatment Document and Classification: MIL-A-8625,TYPE 3,CLASS 2 MIL SPEC SINGLE TREATMENT RESPONSE; Unthreaded Mounting Hole Diameter: 0.220 INCHES MINIMUM AND 0.226 INCHES MAXIMUM ALL MOUNTING FACILITIES IN. 6 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.