Part number 19987 appears under 5 stock numbers

Manufacturers reuse part numbers across items. Each stock number below is its own federal item record — pick the one your drawing or solicitation cites.

5310-01-481-4946 — NUT,PLAIN,HEXAGON · FSC 5310
3020-01-265-4098 — PULLEY,GROOVE · FSC 3020
5325-01-701-8530 — STUD,LOCK PIN FASTENER · FSC 5325
5998-01-432-3383 — CIRCUIT CARD ASSEMBLY · FSC 5998
6140-00-446-1041 — COVER ASSEMBLY,BATTERY · FSC 6140