Size 3-1/4, locking assembly id 1.250, locking assembly od 2.362, width dimension 1.772, relaxed condition 2.165
No other part numbers with same form, fit, and function found.
NSN 5855-01-591-5696
NSN 6130-01-578-9966
NSN 6150-01-220-4425
NSN 5998-00-233-2372
NSN 5920-00-070-8712
NSN 5945-01-508-4652
NSN 6685-00-738-2525
NSN 5925-01-367-6118
NSN 5960-00-558-9152
NSN 5998-00-651-6212
NSN 6135-01-252-0315
NSN 5945-00-248-6798