The Heat Sink,electrical-Electronic, cataloged under National Stock Number 5999-01-339-7250, 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 Honeywell International Inc. Dba Honeywell International. Government technical data includes 12 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5999-01-339-7250 |
| Primary Part Number | 8512808 |
| Item Name | Heat Sink,electrical-Electronic |
| FSC / FSG | 5999 / 59 — Miscellaneous Electrical and Electronic Components |
| Manufacturer | Honeywell International Inc. Dba Honeywell International |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 2 UNTHREADED HOLE(S) SECOND MOUNTING FACILITY |
| Mounting Facility Type and Quantity | 2 UNTHREADED HOLE(S) FIRST MOUNTING FACILITY |
| Mounting Facility Type and Quantity | 3 UNTHREADED HOLE(S) THIRD MOUNTING FACILITY |
| Mounting Facility Type and Quantity | 3 UNTHREADED HOLE(S) FOURTH MOUNTING FACILITY |
| Surface Treatment Document and Classification | MIL-A-8625,TYPE III,CLASS 1 MIL SPEC 1ST TREATMENT RESPONSE AND MIL-C-5541,CLASS 3 MIL SPEC 2ND TREATMENT RESPONSE |
| Unthreaded Mounting Hole Diameter | 0.061 INCHES MINIMUM AND 0.066 INCHES MAXIMUM FIRST MOUNTING FACILITY IN |
| Unthreaded Mounting Hole Diameter | 0.073 INCHES MINIMUM AND 0.079 INCHES MAXIMUM SECOND MOUNTING FACILITY IN |
| Unthreaded Mounting Hole Diameter | 0.113 INCHES MINIMUM AND 0.119 INCHES MAXIMUM THIRD MOUNTING FACILITY IN |
| Unthreaded Mounting Hole Diameter | 0.122 INCHES MINIMUM AND 0.128 INCHES MAXIMUM FOURTH MOUNTING FACILITY IN |
| Material Document and Classification | QQ-A-250/11,6061-T6 FED SPEC SINGLE MATERIAL RESPONSE |
| Surface Treatment | ANODIZE AND CHROMATE |
| Material | ALUMINUM ALLOY |
| 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 | 0.0500 lbs |
| Cube | 0.0797 cu ft |
| Part Number | Manufacturer |
|---|---|
| 8512808 PRIMARY | Honeywell International Inc. Dba Honeywell International (USA) |
| Reference | Meaning |
|---|---|
| 10139703 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
NSN 5999-01-339-7250 is a Heat Sink,electrical-Electronic, manufactured by Honeywell International Inc. Dba Honeywell International, classified under FSC 5999, Miscellaneous Electrical and Electronic Components. Status: active.
NSN 5999-01-339-7250 has 1 manufacturer part number on file: 8512808 (Honeywell International Inc. Dba Honeywell International).
1 possible match (shared part number, not a government interchangeability claim): 2590-01-443-8486. Verify interchangeability with system specifications before substitution.
Key specifications for 8512808: Mounting Facility Type and Quantity: 2 UNTHREADED HOLE(S) SECOND MOUNTING FACILITY; Mounting Facility Type and Quantity: 2 UNTHREADED HOLE(S) FIRST MOUNTING FACILITY; Mounting Facility Type and Quantity: 3 UNTHREADED HOLE(S) THIRD MOUNTING FACILITY; Mounting Facility Type and Quantity: 3 UNTHREADED HOLE(S) FOURTH MOUNTING FACILITY. 12 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.