The Heat Sink,electrical-Electronic, cataloged under National Stock Number 5999-01-211-7717, 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 Alek Industries Inc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5999-01-211-7717 |
| Primary Part Number | 3081249-2 |
| Item Name | Heat Sink,electrical-Electronic |
| FSC / FSG | 5999 / 59 — Miscellaneous Electrical and Electronic Components |
| Manufacturer | Alek Industries Inc |
| Status | ACTIVE |
| Surface Treatment Document and Classification | MIL-C-5541,CLASS 1A MIL SPEC SINGLE TREATMENT RESPONSE A |
| Overall Diameter | 2.540 INCHES NOMINAL IN |
| Material Document and Classification | QQ-A-601,ALLOY 356-T6 FED SPEC SINGLE MATERIAL RESPONSE |
| Surface Treatment | CHROMATE |
| Material | ALUMINUM ALLOY 356.0 |
| 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 | 0.2400 lbs |
| Cube | 0.0284 cu ft |
| Part Number | Manufacturer |
|---|---|
| 3081249-2 | Alek Industries Inc (USA) |
| Reference | Meaning |
|---|---|
| 3081249-2 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5999-01-211-7717 is a Heat Sink,electrical-Electronic, manufactured by Alek Industries Inc, classified under FSC 5999, Miscellaneous Electrical and Electronic Components. Status: active.
NSN 5999-01-211-7717 has 1 manufacturer part number on file: 3081249-2 (Alek Industries Inc).
Key specifications for 3081249-2: Overall Height: 1.570 INCHES NOMINAL IN; Surface Treatment Document and Classification: MIL-C-5541,CLASS 1A MIL SPEC SINGLE TREATMENT RESPONSE A; Overall Diameter: 2.540 INCHES NOMINAL IN; Material Document and Classification: QQ-A-601,ALLOY 356-T6 FED SPEC SINGLE MATERIAL RESPONSE. 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.