One piece
No other part numbers with same form, fit, and function found.
NSN 6645-01-164-7650
NSN 5998-01-406-6136
NSN 5835-01-601-4411
NSN 5996-01-449-0666
NSN 6145-01-501-5780
NSN 6150-01-189-5362
NSN 6220-00-435-8325
NSN 6145-01-163-6000
NSN 6685-01-467-6617
NSN 5960-00-088-6527
NSN 5990-00-477-1362
NSN 5975-01-556-5464