The Heat Sink,electrical-Electronic, cataloged under National Stock Number 5999-01-562-9684, 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 L3harris Technologies, Inc. Dba Harris Corporation. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5999-01-562-9684 |
| Primary Part Number | A3256604-1 |
| Item Name | Heat Sink,electrical-Electronic |
| FSC / FSG | 5999 / 59 — Miscellaneous Electrical and Electronic Components |
| Manufacturer | L3harris Technologies, Inc. Dba Harris Corporation |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Shelf Life Code | 0 |
| Criticality Code | X |
| Unit of Issue | EA |
| Acquisition advice code | ZN |
| Weight | 5.3000 lbs |
| Cube | 0.4232 cu ft |
| Part Number | Manufacturer |
|---|---|
| A3256604-1 | L3harris Technologies, Inc. Dba Harris Corporation (USA) |
| Reference | Meaning |
|---|---|
| A3256604 | D/9 Drawing number reference only U.S. Government activity |
| A3256604-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5999-01-562-9684 is a Heat Sink,electrical-Electronic, manufactured by L3harris Technologies, Inc. Dba Harris Corporation, classified under FSC 5999, Miscellaneous Electrical and Electronic Components. Status: active.
NSN 5999-01-562-9684 has 1 manufacturer part number on file: A3256604-1 (L3harris Technologies, Inc. Dba Harris Corporation).
Key specifications for A3256604-1: Special Features: MUST BE ABLE TO WITHSTAND A PRESSURE OF 15PSI WITHOUT EVIDENCE OF LEAKAGE; End Item Identification: 5895-01-444-1218 AMPLIFIER-ADAPTER. 0 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). 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.