The Heat Sink,electrical-Electronic, cataloged under National Stock Number 5999-00-960-7844, 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 Autodyne Manufacturing Co Inc. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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.
| Parameter | Value |
|---|---|
| NSN | 5999-00-960-7844 |
| Primary Part Number | 549-6523-003 |
| Item Name | Heat Sink,electrical-Electronic |
| FSC / FSG | 5999 / 59 — Miscellaneous Electrical and Electronic Components |
| Manufacturer | Autodyne Manufacturing Co Inc |
| Status | ACTIVE |
| Surface Treatment | CHROMATE |
| Material | ALUMINUM |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 549-6523-003 | Autodyne Manufacturing Co Inc (USA) |
| 549-6523-003 | Spencer Industries Inc (USA) |
| Reference | Meaning |
|---|---|
| 549-6523-003 | 5/9 Secondary reference Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems |
| 549-6523-003 | 5/9 Secondary reference Valcore Manufacturing Llc |
| 549-6523-003 | 5/9 Secondary reference Valcore Manufacturing Llc Dba Use CAGE Code 04ye2 for Cataloging |
| 549-6523-003 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5999-00-960-7844 is a Heat Sink,electrical-Electronic, manufactured by Autodyne Manufacturing Co Inc, classified under FSC 5999, Miscellaneous Electrical and Electronic Components. Status: active.
NSN 5999-00-960-7844 has 2 manufacturer part numbers on file: 549-6523-003 (Autodyne Manufacturing Co Inc), 549-6523-003 (Spencer Industries Inc).
Key specifications for 549-6523-003: Overall Height: 1.062 INCHES NOMINAL IN; Overall Length: 1.875 INCHES NOMINAL IN; Overall Width: 1.046 INCHES NOMINAL IN; Surface Treatment: CHROMATE. 2 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.