NSN 4920-01-478-7370

Part Details | PLASMA SPRAY MASK

4920-01-478-7370 A item usually metallic with an open pattern, mounted on a part(s) to cover selected areas during a metal coating (deposition) process. The item may have attaching hardware consisting of a base assembly, knob, spring, clamp, plate, and the like.

Alternate Parts: PWA72421, 4920-01-478-7370, 01-478-7370, 4920014787370, 014787370

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
49SEP 25, 200001-478-737037032 ( MASK, PLASMA SPRAY )
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 4920-01-478-7370
Part Number Cage Code Manufacturer
PWA7242177445UNITED TECHNOLOGIES CORPORATIONDBA PRATT WHITNEY-SPARE PARTS
Technical Data | NSN 4920-01-478-7370
Characteristic Specifications
OVERALL LENGTH28.200 INCHES NOMINAL
OVERALL WIDTH28.200 INCHES NOMINAL
OVERALL HEIGHT5.100 INCHES NOMINAL
SPECIAL FEATURESMASK IS REQUIRED FOR PLASMA SPRAY REPAIR OF 10TH-12TH STAGE COMPRESSOR STATOR SEGMENTS, REF 4083880, HAVING A WORN SNAP DIAMETER OF OUTER HOOK. MASK IS USED WITHSTATOR SEGMENTS INSTALLED IN PWA72418 FIXTURE. MASK HALVES FIT UNDER THE OUTER SEGMENT HOOK WITH LOWER END OF MASK RESTING ON PWA72418 FIXTURE BASE TO PROTECT THE OD OF THE STATOR SEGMENTS FROM PLASMA OVERSPRAY.PWA72419(TOP) AND PWA72420(HOOK RAIL) COMPLETE THE MASKING
END ITEM IDENTIFICATIONF100-PW-229 ENGINE
REFERENCE DATA AND LITERATURESERD NO 9064