Part number 15221 appears under 11 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.

5940-00-159-0247 — TERMINAL,FEEDTHRU · FSC 5940
5330-00-285-8278 — SEAL,PLAIN ENCASED · FSC 5330
5136-00-228-1005 — TAP,THREAD CUTTING · FSC 5136
5950-01-374-7749 — REACTOR · FSC 5950
2520-01-155-5844 — PAD,FORK,TRANSFER · FSC 2520
5930-01-662-2727 — SWITCH,TOGGLE · FSC 5930
5315-01-159-9437 — PIN,STRAIGHT,HEADLESS · FSC 5315
3439-01-568-8500 — TIP,SUCTION DEVICE,DESOLDERING · FSC 3439
5305-01-564-7516 — SCREW,CAP,HEXAGON HEAD · FSC 5305
5950-01-393-8077 — REACTOR · FSC 5950
5999-01-076-5876 — RETAINER CIRCUIT · FSC 5999