This set is composed of a front ferrule, p/n 520-035, and a back ferrule p/n 520-036
No other part numbers with same form, fit, and function found.
NSN 5960-01-254-0647
NSN 5930-00-522-1747
NSN 6105-01-153-2302
NSN 5965-01-322-3271
NSN 5915-01-212-0687
NSN 5925-01-481-3442
NSN 6685-00-203-2389
NSN 2925-01-443-4216
NSN 5950-01-052-0339
NSN 5925-00-468-2757
NSN 6135-01-606-8244
NSN 2925-01-063-9532