We are pleased to confirm immediate availability for NAS 4118 (Heat Sink Electrica), carrying NSN 5999-01-174-3168 and manufactured by National Aerospace Standards (CAGE code 80205). This certified component is classified under FSG 59 Electrical and Electronic Equipment Components/FSC 5999 Miscellaneous Electrical and Electronic Components (NIIN: 01-174-3168), meeting all military specifications for guaranteed traceability and performance compliance.
To receive a rapid quote for part NAS 4118 (15-minute response guaranteed), please complete the form below. Providing detailed requirements ensures our specialists can quickly deliver competitive pricing, verified availability, and exact specification matching for NSN 5999-01-174-3168. Rest assured, you’ll receive the precise aerospace component your project demands.
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Aviation Purchasing Platform is a trusted sourcing solution owned and operated by ASAP Semiconductor—an AS9120B, ISO 9001:2015, and FAA 0056B certified distributor. With access to over 10 million national stock numbers (NSNs) across 26+ federal supply categories, we specialize in procuring rare, obsolete, and long-lead-time components, including National Aerospace Standards parts. Our industry-leading turnaround and delivery ensure rapid fulfillment for critical aerospace and defense needs.
Every 5999-01-174-3168—including this part—is uniquely labeled to reflect its integration into the U.S. DoD supply system. As a National Stock Number, it signifies compliance with NATO and U.S. Department of Defense standards, ensuring traceability, quality, and interoperability across allied military operations.
| NSN | FSC | NIIN | CLS | Hazmat | DEMIL | Cancelled NSN |
|---|---|---|---|---|---|---|
| 5999-01-174-3168 Item Description: Heat Sinkelectrical Electronic | 5999 | 011743168 | 0 | P | B | 5999012111619 |
| CIIC | HCC | ESD | PMIC | Criticality | ENAC | |
| U | B | A | 0 | |||
| Part Number | ISC | RNVC | RNCC | HCC | MSDS | SADC |
| 260-4t5ea | 5 | 9 | 5 |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 2B SINGLE MOUNTING FACILITY |
| AAQL | BODY STYLE | THERMAL LINK |
| ABKW | OVERALL HEIGHT | 0 370 INCHES NOMINAL |
| ADAV | OVERALL DIAMETER | 0 375 INCHES NOMINAL |
| AXHR | MOUNTING FACILITY TYPE AND QUANTITY | 1 THREADED HOLE SINGLE MOUNTING FACILITY |
| CQJX | NOMINAL THREAD SIZE | 0 112 INCHES SINGLE MOUNTING FACILITY |
| MATT | MATERIAL | COPPER ALLOY |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-C-533 FED SPEC SINGLE MATERIAL RESPONSE OR MIL-C-81021 MIL SPEC SINGLE MATERIAL RESPONSE |
| SFTT | SURFACE TREATMENT | CADMIUM |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 FED SPEC SINGLE TREATMENT RESPONSE |
| TEST | TEST DATA DOCUMENT | 81349-MIL-H-87111 SPECIFICATION INCLUDES ENGINEERING TYPE BULLETINS BROCHURESETC THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT EXCLUDES COMMERCIAL CATALOGS INDUSTRY DIRECTORIES AND SIMILAR TRADE PUBLICATIONS REFLECTI |
| THSD | THREAD SERIES DESIGNATOR | UNC SINGLE MOUNTING FACILITY |
| ZZZK | SPECIFICATIONSTANDARD DATA | 81349-MIL-H-871112 GOVERNMENT SPECIFICATION |
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