The U.S. Department of Defense created the National Stock Number system in order to create a uniform naming system for all the components that are sourced, stocked, and procured within the federal supply system. NSNs are 13 digit serial numbers that classify and describe an item. Within the NSN are the smaller classification numbers, Federal Supply Group, Federal Supply Class, country code, and National Item Identification Number. Typically in the format, XXXX-XX-XXXXXXX, the first two digits of the NSN are the Federal Supply Group. The following two digits are the Federal Supply Class. The FSG and the FSC can be referenced in the Department of Defense’s H2 handbook.

We stock parts under FSG 70 and the following FSCs:





Group 7025 items consist of devices used to transfer information to computers and be able to control the entire device. The input and output are used for transferring data and results.


Group 7030 is made up of a series of software that provides instructions and known statements to be converted into a compatible version for a CPU.


Group 7035 is made up of various devices that are designed to be able to be combined along with the ADPE design. Although they are combined it is not a part of the actual ADPE.


Group 7040 includes Collating machines, key punch machines, tabulating machines, verifiers, reproducers, summary punches, sorters interpreters.


Group 7042 includes micro computers used as controllers to monitor, measure and to process devices, instruments, and other units.


Group 7045 consist of miscellaneous products such as tape seal bands, reels, and hubs, carrying cases, canisters, and the like.


Group 7050 includes ADP Component units that are made for parts of analog, digital or hybrid data processing devices.


ASAP Semiconductor is a leading distributor for group 70 parts and equipment. Working with leading manufactures to provide you the best possible products on the market. For an instant RFQ give us a call at 1-412-212-0606 or email us at sales@oneclickpurchasing.com.

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