The Heat Sink,electrical-Electronic, cataloged under National Stock Number 5999-01-010-2806, 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 Boyd Laconia Llc. Government technical data includes 11 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5999-01-010-2806 |
| Primary Part Number | A-001-991-54 |
| Item Name | Heat Sink,electrical-Electronic |
| FSC / FSG | 5999 / 59 — Miscellaneous Electrical and Electronic Components |
| Manufacturer | Boyd Laconia Llc |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 4 UNTHREADED HOLE(S) THIRD MOUNTING FACILITY |
| Mounting Facility Type and Quantity | 8 UNTHREADED HOLE(S) FIRST MOUNTING FACILITY |
| Mounting Facility Type and Quantity | 8 UNTHREADED HOLE(S) SECOND MOUNTING FACILITY |
| Surface Treatment Document and Classification | MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE |
| Body Style | EXTRUDED |
| Unthreaded Mounting Hole Diameter | 0.140 INCHES NOMINAL SECOND MOUNTING FACILITY IN |
| Unthreaded Mounting Hole Diameter | 0.250 INCHES NOMINAL FIRST MOUNTING FACILITY IN |
| Unthreaded Mounting Hole Diameter | 0.166 INCHES NOMINAL THIRD MOUNTING FACILITY IN |
| Material Document and Classification | QQ-A-274 FED SPEC SINGLE MATERIAL RESPONSE |
| Surface Treatment | ANODIZE |
| Material | ALUMINUM ALLOY 6063 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Shelf Life Code | 0 |
| Criticality Code | X |
| Unit of Issue | EA |
| Acquisition advice code | JN |
| Weight | 1.0000 lbs |
| Cube | 0.1215 cu ft |
| Part Number | Manufacturer |
|---|---|
| A-001-991-54 | Boyd Laconia Llc (USA) |
| Reference | Meaning |
|---|---|
| 20775-1 | 3/9 Design control — primary reference Trio Laboratories Inc |
| A-001-991-54 | 5/9 Secondary reference Aavid Thermalloy Llc |
NSN 5999-01-010-2806 is a Heat Sink,electrical-Electronic, manufactured by Boyd Laconia Llc, classified under FSC 5999, Miscellaneous Electrical and Electronic Components. Status: active.
NSN 5999-01-010-2806 has 1 manufacturer part number on file: A-001-991-54 (Boyd Laconia Llc).
2 possible matches (shared part number, not a government interchangeability claim): 5340-01-434-1039, 4820-01-475-3414. Verify interchangeability with system specifications before substitution.
Key specifications for A-001-991-54: Mounting Facility Type and Quantity: 4 UNTHREADED HOLE(S) THIRD MOUNTING FACILITY; Mounting Facility Type and Quantity: 8 UNTHREADED HOLE(S) FIRST MOUNTING FACILITY; Mounting Facility Type and Quantity: 8 UNTHREADED HOLE(S) SECOND MOUNTING FACILITY; Overall Height: 1.235 INCHES MINIMUM AND 1.265 INCHES MAXIMUM IN. 11 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.
NSN 5999-01-010-2806 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.