The Heat Sink,electrical-Electronic, cataloged under National Stock Number 5999-01-080-6463, 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 Northrop Grumman Support Services Corp. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5999-01-080-6463 |
| Primary Part Number | 347C403H10 |
| Item Name | Heat Sink,electrical-Electronic |
| FSC / FSG | 5999 / 59 — Miscellaneous Electrical and Electronic Components |
| Manufacturer | Northrop Grumman Support Services Corp |
| Status | ACTIVE |
| 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 | JN |
| Part Number | Manufacturer |
|---|---|
| 347C403H10 PRIMARY | Northrop Grumman Support Services Corp (USA) |
| 788508-1 | Hamilton Sundstrand Corporation Dba Collins Aerospace (USA) |
| Reference | Meaning |
|---|---|
| 2263R | 5/9 Secondary reference Thermalloy Co Inc |
| 347C403H10 | 3/9 Design control — primary reference U.S. Government activity |
NSN 5999-01-080-6463 is a Heat Sink,electrical-Electronic, manufactured by Northrop Grumman Support Services Corp, classified under FSC 5999, Miscellaneous Electrical and Electronic Components. Status: active.
NSN 5999-01-080-6463 has 2 manufacturer part numbers on file: 347C403H10 (Northrop Grumman Support Services Corp), 788508-1 (Hamilton Sundstrand Corporation Dba Collins Aerospace).
Key specifications for 347C403H10: Overall Height: 0.437 INCHES NOMINAL IN; Overall Length: 0.750 INCHES NOMINAL IN; Overall Width: 0.750 INCHES NOMINAL IN; Surface Treatment: ANODIZE. 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.