The Heat Sink,electrical-Electronic, cataloged under National Stock Number 5999-01-290-5529, 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. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5999-01-290-5529 |
| Primary Part Number | 5087B |
| Item Name | Heat Sink,electrical-Electronic |
| FSC / FSG | 5999 / 59 — Miscellaneous Electrical and Electronic Components |
| Manufacturer | Boyd Laconia Llc |
| Status | ACTIVE |
| 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 |
|---|---|
| 5087B | Boyd Laconia Llc (USA) |
| Reference | Meaning |
|---|---|
| 6087B | 5/9 Secondary reference Thermalloy Co Inc |
| SCD51990620-01 | 3/9 Design control — primary reference Peraton Inc |
| 5087B | C/1 Advisory reference — outside the item-of-supply concept Lml Corp |
| 5087B | 5/9 Secondary reference Aavid Thermalloy Llc |
NSN 5999-01-290-5529 is a Heat Sink,electrical-Electronic, manufactured by Boyd Laconia Llc, classified under FSC 5999, Miscellaneous Electrical and Electronic Components. Status: active.
NSN 5999-01-290-5529 has 1 manufacturer part number on file: 5087B (Boyd Laconia Llc).
Key specifications for 5087B: Special Features: ACCOM 40 PIN DIP PKG; 2 IN. LG; 5FINS; 0.530 WIDE IN. 0 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.