Used on air compressors, high pressure; high pressure air system; los angeles class ssn (688); submarine atmosphere control and compressed air/gas; aircraft, stratofortress b-52; l.p. compressors; aircraft, hawkeye e-2c; engine, aircraft, f101-ge-102 (b-1); wasp class lhd; fms- aircraft, hawkeye e-2c. 0.981" center hole diameter
