The Heat Sink,electrical-Electronic, cataloged under National Stock Number 5999-01-516-6503, 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 National Oilwell Varco Inc Dba National Oilwell. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active. Unit of issue: EA.
| Item Name | Heat Sink,electrical-Electronic |
| FSC / FSG | 5999 — Miscellaneous Electrical and Electronic Components (FSG 59) |
| Manufacturers | National Oilwell Varco Inc Dba National Oilwell (CAGE 52142) |
| Parameter | Value |
|---|---|
| NSN | 5999-01-516-6503 |
| Primary Part Number | 10024074-001 |
| Item Name | Heat Sink,electrical-Electronic |
| FSC / FSG | 5999 / 59 — Miscellaneous Electrical and Electronic Components |
| Manufacturer | National Oilwell Varco Inc Dba National Oilwell |
| 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 |
| Weight | 2.7200 lbs |
| Cube | 0.1447 cu ft |
| Part Number | Manufacturer |
|---|---|
| 10024074-001 PRIMARY | National Oilwell Varco Inc Dba National Oilwell (USA) |
| 15A00412-0000-61 | National Oilwell Varco Inc Dba National Oilwell (USA) |
| Reference | Meaning |
|---|---|
| 15A00412-0000 | D/9 Drawing number reference only National Oilwell Varco Inc Dba National Oilwell |
| 10T01355-0001 | 5/9 Secondary reference National Oilwell Varco Inc Dba National Oilwell |
NSN 5999-01-516-6503 is a Heat Sink,electrical-Electronic, manufactured by National Oilwell Varco Inc Dba National Oilwell, classified under FSC 5999, Miscellaneous Electrical and Electronic Components. Status: active.
NSN 5999-01-516-6503 has 2 manufacturer part numbers on file: 10024074-001 (National Oilwell Varco Inc Dba National Oilwell), 15A00412-0000-61 (National Oilwell Varco Inc Dba National Oilwell).
1 possible match (shared part number, not a government interchangeability claim): 6685-01-540-0792. Verify interchangeability with system specifications before substitution.
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.