Odd
No other part numbers with same form, fit, and function found.
NSN 6650-00-717-8913
NSN 5920-01-261-6358
NSN 5985-00-658-2879
NSN 5910-01-260-7956
NSN 5999-00-231-3917
NSN 5915-01-631-7940
NSN 6645-01-123-6661
NSN 6150-00-520-5510
NSN 6145-01-525-8140
NSN 5925-01-415-3084
NSN 5835-01-435-4139
NSN 5905-00-895-7667