Part number 21-0405 appears under 4 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.

5905-01-230-0389 — RESISTOR NETWORK,FIXED,FILM · FSC 5905
6515-01-139-8417 — PLIERS,BONE PIN EXTRACTING · FSC 6515
5910-01-094-7167 — CAPACITOR,FIXED,MICA DIELECTRIC · FSC 5910
6525-01-238-2647 — DEVELOPER,X-RAY FILM PROCESSING · FSC 6525