2030-01-159-1253 (SSN637-518-2143676)
NSN 2030-01-159-1253 (NIIN 01-159-1253) is a drive arm in Federal Supply Class 2030, Deck Machinery. Manufacturer part number SSN637-518-2143676; also referenced as 77621-20X0 PC 3X4, 77621-20X3 PC 4, 77621-20X3 PIECE 3 (Electric Boat Corporation); SSN637-518-2143676 PC3 AND 4 (Naval Ship Systems Command).
NIIN assigned August 1983; DEMIL B (USML, demil required); unit of issue EA (each), $555.44 gov standard price; export Schedule B 8479.90.9498.