The Heat Sink,electrical-Electronic, cataloged under National Stock Number 5999-01-581-4235, 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 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5999-01-581-4235 |
| Primary Part Number | 501303B00000G |
| 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) ALL MOUNTING FACILITIES |
| Body Style | BOARD MOUNTED |
| Unthreaded Mounting Hole Diameter | 4.7 MILLIMETERS NOMINAL ALL MOUNTING FACILITIES MM |
| Surface Treatment | ANODIZE |
| Material | ALUMINUM |
| 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 |
| Part Number | Manufacturer |
|---|---|
| 501303B00000G PRIMARY | Boyd Laconia Llc (USA) |
| Reference | Meaning |
|---|---|
| 501303B00000G | 5/9 Secondary reference Aavid Thermalloy Llc |
NSN 5999-01-581-4235 is a Heat Sink,electrical-Electronic, manufactured by Boyd Laconia Llc, classified under FSC 5999, Miscellaneous Electrical and Electronic Components. Status: active.
NSN 5999-01-581-4235 has 1 manufacturer part number on file: 501303B00000G (Boyd Laconia Llc).
Key specifications for 501303B00000G: Mounting Facility Type and Quantity: 4 UNTHREADED HOLE(S) ALL MOUNTING FACILITIES; Overall Height: 12.7 MILLIMETERS NOMINAL MM; Body Style: BOARD MOUNTED; Unthreaded Mounting Hole Diameter: 4.7 MILLIMETERS NOMINAL ALL MOUNTING FACILITIES MM. 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.