3a all ends thread class ream one end to 0.177 in. dia. by 0.310 in. deep anodize surface treated flared w/ center wrenching facility unf all ends thread series
Used on f-14 tomcat, b-1b, a-10 thunderbolt ii, ta-4j aircraft. patriot missle.. 2a 1st end bulkhead thread class weapon system essential anodize surface treated flareless w/ offset wrenching facility unf 1st end bulkhead thread series
3a 1st end bulkhead thread class 28 1st end bulkhead thread quantity per inch drilled for lockwire center wrenching facility unjs 1st end bulkhead thread series
Used on b-1b,f-16,f-15,f-14 aircraft. 3a 1st end bulkhead thread class 14 all ends thread quantity per inch weapon system essential long w/ offset wrenching facility unjs 1st end bulkhead thread series
