Cage type code f distributor as 3/2 oem: ruggles-klingemann mfg. Co. 78 water st. Beverly, ma 01915-5027, ph. 9782328300; ps states that they are a manufacturer.
NSN 5950-01-237-4992
NSN 5975-00-810-1190
NSN 6645-00-300-0401
NSN 6620-01-028-0504
NSN 5910-00-569-1750
NSN 5975-01-555-7901
NSN 6685-00-878-3878
NSN 6240-01-197-0489
NSN 5960-01-166-6997
NSN 5999-01-417-3028
NSN 5975-01-414-8873
NSN 5996-01-561-1010