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Quality guaranteed We sell only warrantied and traceable partsPurchasing Sphere, owned and operated by ASAP Semiconductor, is an all-inclusive purchasing platform for hard-to-find and in-demand parts BM1638 and components pertaining to the civil aviation, defense, aerospace, industrial, and electronic markets. An NSN is a 13-digit numeric code that serves to identify 'standardized material items of supply' as they have been recognized by all NATO countries and the United States Department of Defense. As such, we have an inventory of more than two billion new and obsolete parts, among which is a vast and diverse array of BM1638 parts and much more. This includes items such as Gear Cluster BM1638 from manufacturer Designatronics Inc and many more, all of which are available with short lead times and competitive prices. For NSN parts, you won’t find a more inclusive source than Purchasing Sphere.
Our website offers a number of parametric search capabilities, one of which allows you to search specifically for BM1638 parts. This means you can quickly sort through National Stock Numbers such as 3020001413724 and find parts from quality manufacturers like Designatronics Inc and many others. To begin the purchasing process immediately, submit an RFQ today. Our team of dedicated account managers is standing by and will respond to all inquiries in 15 minutes or less.
| MRC | Criteria | Characteristic |
|---|---|---|
| ABSX | ATTACHMENT METHOD | MOUNTING HOLE |
| ANTP | BORE STYLE | PLAIN BOTH ENDS |
| APGF | DESIGN TYPE | SPUR FIRST GEAR |
| APGF | DESIGN TYPE | SPUR SECOND GEAR |
| CQCF | CONSTRUCTION | ASSEMBLED |
| CQJX | NOMINAL THREAD SIZE | 0.086 INCHES BOTH ENDS |
| CWCD | NOMINAL OUTSIDE DIAMETER | 0.582 INCHES SECOND GEAR |
| CWCD | NOMINAL OUTSIDE DIAMETER | 1.415 INCHES FIRST GEAR |
| CWFR | NOMINAL OVERALL LENGTH | 0.500 INCHES |
| CWQN | HUB NOMINAL LENGTH | 0.0210 INCHES SECOND END |
| CWQN | HUB NOMINAL LENGTH | 0.069 INCHES BETWEEN FIRST AND SECOND GEAR |
| CWQN | HUB NOMINAL LENGTH | 0.187 INCHES FIRST END |
| CWRS | BORE NOMINAL DIAMETER | 0.125 INCHES BOTH ENDS |
| CWTR | HUB STYLE DESIGNATOR | PLAIN FIRST END |
| CWTR | HUB STYLE DESIGNATOR | PLAIN SECOND END |
| CWTX | HUB NOMINAL DIAMETER | 0.3120 INCHES BETWEEN FIRST AND SECOND GEAR |
| CWTX | HUB NOMINAL DIAMETER | 0.3540 INCHES BETWEEN SECOND AND THIRD GEAR |
| FEAT | SPECIAL FEATURES | 1ST GEAR IS ANTIBACKLASH TYPE |
| MATT | III MATERIAL | ALUMINUM ALLOY 2024 FIRST GEAR |
| MATT | III MATERIAL | STEEL COMP 303 SECOND GEAR |
| MATT | III MATERIAL | STEEL COMP 303 SHAFT/HUB |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-250/4 FED SPEC SINGLE MATERIAL RESPONSE FIRST GEAR |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-764 FED SPEC SINGLE MATERIAL RESPONSE SECOND GEAR |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-764 FED SPEC SINGLE MATERIAL RESPONSE SHAFT/HUB |
| THSD | THREAD SERIES DESIGNATOR | UNC BOTH ENDS |
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