5930-00-848-8021 (SW28BDN)
NSN 5930-00-848-8021 (NIIN 00-848-8021) is a stepping switch in Federal Supply Class 5930, Switches — an_electromagnetically_actuated_switch_having_contact_wipers_which_are_successively_rotated_over_fixed_bank_contacts._the_contact_wipers_are_progressively_advan. Manufacturer part number SW28BDN (GTE Communication Systems Corp, CAGE 04773).
Key specs: DC current type; 48 V nominal voltage; full characteristics table below. NIIN assigned January 1960; DEMIL A (none required); unit of issue EA (each), $59.27 gov standard price; export Schedule B 8536.50.9065.