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J-57 acft engine
o/a w across flats 0.554 to 0.564 in.; o/a h 0.530 to 0.550 in.; 2 holes 0.045 to 0.055 in. dia bore thru 0.450 in. c to c; holes 0.140 to 0.160 in. from outer edge; spherical head 0.203 TO0.234 in.; internal bore dia 0.269 to 0.275 to lg 0.250 in.threaded 0.312-24 nf 3b; 90 deg countersink to 0.320 to 0.360 in; matl steel ams 4120
control, compressor bleed p/n A12140Ky
1EA
FSC 2995 ⁓ Miscellaneous engine accessories, aircraft
Note-items classified in this class must be specifically designed for use with aircraft or quided missile primemovers only.
Excluding exhaust system; (fsc 1560); jet engine hydraulic reservoirs (fsc 2840); jet engine oil tanks (fsc 2840); electrical starters (fsc 2925); cockpit mounted control quadrants (fsc 1680); aircraft engine covers (fsc 1730).
Used on j-57 acft engine.