Purchasing Sphere, owned and operated by ASAP Semiconductor, is an all-inclusive purchasing platform for hard-to-find and in-demand parts 543-637 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 543-637 parts and much more. This includes items such as Gear Spur 543-637 from manufacturer Profile Gear Corp 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 543-637 parts. This means you can quickly sort through National Stock Numbers such as 3020002881439 and find parts from quality manufacturers like Profile Gear Corp 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.
NSN | FSC | NIIN | CLS | Hazmat | DEMIL | Cancelled NSN |
---|---|---|---|---|---|---|
3020-00-288-1439 Item Description: Gear Spur | 3020 | 002881439 | 0 | N | ||
CIIC | HCC | ESD | PMIC | Criticality | ENAC | |
U | U | |||||
Part Number | ISC | RNVC | RNCC | HCC | MSDS | SADC |
543-637 | 2 | 9 | 5 |
MRC | Criteria | Characteristic |
---|---|---|
AAQL | BODY STYLE | PLAIN, SOLID |
AGJS | PITCH DIAMETER | 1.3125 INCHES NOMINAL |
AJLA | TEETH QUANTITY | 21 |
ANTP | BORE STYLE | W/ KEYWAY BOTH ENDS |
CQFM | III HARDNESS RATING | 30.0 ROCKWELL C NOMINAL OVERALL |
CWCD | NOMINAL OUTSIDE DIAMETER | 1.438 INCHES |
CWNH | TOOTH FORM | STANDARD |
CWPP | PRESSURE ANGLE | 20.0000 DEGREES |
CWRM | FACE NOMINAL WIDTH | 0.625 INCHES |
CWRS | BORE NOMINAL DIAMETER | 0.503 INCHES FIRST END |
CWSN | KEYWAY NOMINAL WIDTH | 0.1250 INCHES FIRST END |
CWSR | NOMINAL DISTANCE FROM BORE CENTER TO KEYWAY BOTTOM | 0.315 INCHES BOTH ENDS |
MATT | III MATERIAL | STEEL COMP 4140 OVERALL |
MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD SINGLE MATERIAL RESPONSE OVERALL AND AISI/SAE 4140 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
STYL | STYLE DESIGNATOR | HUBLESS |
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