The size is 2" x 2" ;
No other part numbers with same form, fit, and function found.
NSN 6620-01-279-7115
NSN 5935-00-194-9524
NSN 5895-00-707-6663
NSN 6150-01-010-1456
NSN 6320-01-648-5538
NSN 5945-00-253-6326
NSN 5925-01-419-0832
NSN 5915-01-188-6665
NSN 6220-00-605-0404
NSN 5999-01-356-9419
NSN 5965-00-772-0545
NSN 5835-01-256-3166