The Heat Sink,electrical-Electronic, cataloged under National Stock Number 5999-01-062-0739, 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 Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings). 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5999-01-062-0739 |
| Primary Part Number | L02516 |
| Item Name | Heat Sink,electrical-Electronic |
| FSC / FSG | 5999 / 59 — Miscellaneous Electrical and Electronic Components |
| Manufacturer | Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 1 THREADED HOLE(S) SINGLE MOUNTING FACILITY |
| Surface Treatment Document and Classification | MIL-F-495 MIL SPEC SINGLE TREATMENT RESPONSE |
| Criticality Code Justification | FEAT |
| Material Document and Classification | QQ-B-626 FED SPEC SINGLE MATERIAL RESPONSE AND MIL-C-81021 MIL SPEC SINGLE MATERIAL RESPONSE |
| Nominal Thread Size | 0.112 INCHES SINGLE MOUNTING FACILITY IN |
| Surface Treatment | OXIDE |
| Thread Class | 2B SINGLE MOUNTING FACILITY |
| Material | COPPER ALLOY |
| 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) |
| Criticality Code | Y |
| Weight | 0.0500 lbs |
| Cube | 0.0006 cu ft |
| Part Number | Manufacturer |
|---|---|
| L02516 PRIMARY | Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) (USA) |
| Reference | Meaning |
|---|---|
| 260-4TH5E | 5/9 Secondary reference Eg and G Wakefield Engineering |
NSN 5999-01-062-0739 is a Heat Sink,electrical-Electronic, manufactured by Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings), classified under FSC 5999, Miscellaneous Electrical and Electronic Components. Status: active.
NSN 5999-01-062-0739 has 1 manufacturer part number on file: L02516 (Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings)).
2 possible matches (shared part number, not a government interchangeability claim): 5305-01-471-8357, 5961-01-559-8307. Verify interchangeability with system specifications before substitution.
Key specifications for L02516: Mounting Facility Type and Quantity: 1 THREADED HOLE(S) SINGLE MOUNTING FACILITY; Overall Height: 0.400 INCHES NOMINAL IN; Surface Treatment Document and Classification: MIL-F-495 MIL SPEC SINGLE TREATMENT RESPONSE; Criticality Code Justification: FEAT. 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.