The Heat Sink,electrical-Electronic, cataloged under National Stock Number 5999-01-331-5866, 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 Behlman Electronics, Inc. Government technical data includes 9 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 | 5999-01-331-5866 |
| Primary Part Number | 101-9684 |
| Item Name | Heat Sink,electrical-Electronic |
| FSC / FSG | 5999 / 59 — Miscellaneous Electrical and Electronic Components |
| Manufacturer | Behlman Electronics, Inc |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 11 THREADED HOLE(S) SINGLE MOUNTING FACILITY |
| Surface Treatment Document and Classification | MIL-C-5541,TYPE II,GRADE B,CLASS 3 MIL SPEC SINGLE TREATMENT RESPONSE |
| Material Document and Classification | QQ-A-250/11,ALLOY 6061-T651 FED SPEC SINGLE MATERIAL RESPONSE |
| Nominal Thread Size | 0.112 INCHES SINGLE MOUNTING FACILITY IN |
| Surface Treatment | CHROMATE |
| Thread Class | 2B SINGLE MOUNTING FACILITY |
| Material | ALUMINUM ALLOY 6061 |
| Accommodated Device Mounting Hole Quantity | 5 |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) SINGLE 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 | JZ |
| Weight | 0.0200 lbs |
| Cube | 0.0220 cu ft |
| Part Number | Manufacturer |
|---|---|
| 101-9684 PRIMARY | Behlman Electronics, Inc (USA) |
NSN 5999-01-331-5866 is a Heat Sink,electrical-Electronic, manufactured by Behlman Electronics, Inc, classified under FSC 5999, Miscellaneous Electrical and Electronic Components. Status: active.
NSN 5999-01-331-5866 has 1 manufacturer part number on file: 101-9684 (Behlman Electronics, Inc).
Key specifications for 101-9684: Mounting Facility Type and Quantity: 11 THREADED HOLE(S) SINGLE MOUNTING FACILITY; Overall Height: 0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN; Surface Treatment Document and Classification: MIL-C-5541,TYPE II,GRADE B,CLASS 3 MIL SPEC SINGLE TREATMENT RESPONSE; Material Document and Classification: QQ-A-250/11,ALLOY 6061-T651 FED SPEC SINGLE MATERIAL RESPONSE. 9 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.