T.O. 2j-tf39-4; pressure lock
A rigid metallic item, generally circular. It may be formed of segmented arcs. It is designed to prevent leakage of air in an engine, gas turbine, aircraft. It may be of various cross-sectional shapes. It may have mounting facilities. It may act as a spacer but its primary function is as an air seal.
Classification: Parts of gas turbine aircraft engines, other than for use in civil aircraft
NSN 5990-01-157-0441
NSN 2925-00-918-0859
NSN 5905-00-521-9750
NSN 2925-00-081-6835
NSN 5935-01-394-7276
NSN 6110-01-487-3636
NSN 5835-01-602-0311
NSN 6105-00-232-1410
NSN 5920-00-345-5833
NSN 5985-01-078-4828
NSN 5905-01-184-7264
NSN 6240-00-284-1457