The Heat Sink,electrical-Electronic, cataloged under National Stock Number 5999-01-249-7172, 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 Raytheon Company. Government technical data includes 6 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5999-01-249-7172 |
| Primary Part Number | SM-A-876354-1 |
| Item Name | Heat Sink,electrical-Electronic |
| FSC / FSG | 5999 / 59 — Miscellaneous Electrical and Electronic Components |
| Manufacturer | Raytheon Company |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 2 SLOT ALL MOUNTING FACILITIES |
| Surface Treatment Document and Classification | MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE |
| Mounting Slot Length | 0.130 INCHES MINIMUM AND 0.140 INCHES MAXIMUM ALL MOUNTING FACILITIES IN |
| Material Document and Classification | QQ-A-250/11 FED SPEC SINGLE MATERIAL RESPONSE |
| Surface Treatment | ANODIZE |
| Material | ALUMINUM ALLOY 6061 |
| 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 |
|---|---|
| SM-A-876354-1 | Raytheon Company (USA) |
| SM-A-876354-1 | Raytheon Company Dba Raytheon Co (USA) |
| Reference | Meaning |
|---|---|
| SM-A-876354-1 | 3/2 Design control — primary reference U.S. Government activity |
| LIC214A1B | 5/2 Secondary reference U.S. Government activity |
| SM-A-876354-1 | 5/9 Secondary reference Raytheon Company Div Corp |
NSN 5999-01-249-7172 is a Heat Sink,electrical-Electronic, manufactured by Raytheon Company, classified under FSC 5999, Miscellaneous Electrical and Electronic Components. Status: active.
NSN 5999-01-249-7172 has 2 manufacturer part numbers on file: SM-A-876354-1 (Raytheon Company), SM-A-876354-1 (Raytheon Company Dba Raytheon Co).
Key specifications for SM-A-876354-1: Mounting Facility Type and Quantity: 2 SLOT ALL MOUNTING FACILITIES; Surface Treatment Document and Classification: MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE; Mounting Slot Length: 0.130 INCHES MINIMUM AND 0.140 INCHES MAXIMUM ALL MOUNTING FACILITIES IN; Material Document and Classification: QQ-A-250/11 FED SPEC SINGLE MATERIAL RESPONSE. 6 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.