NSN 3110-00-978-7521

Part Details | BEARING RETAINING PLATE

3110-00-978-7521 A comparatively flat rigid item, with or without a centrally located aperture, designed to hold an annular bearing or a sleeve bearing in a fitted inclosure. It must have drilled and/or tapped holes for mounting purposes. Excludes END BELL, ELECTRICAL ROTATING EQUIPMENT.

Alternate Parts: 643520153103, 6435-20153-103, 3110-00-978-7521, 00-978-7521, 3110009787521, 009787521

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
31OCT 10, 196600-978-752122293 ( PLATE, RETAINING, BEARING )
REFERENCE DRAWINGS & PICTURES

HORIZONTAL CENTERLINE

Cross Reference | NSN 3110-00-978-7521
Part Number Cage Code Manufacturer
6435-20153-10378286SIKORSKY AIRCRAFT CORPORATIONDBA SIKORSKY
Technical Data | NSN 3110-00-978-7521
Characteristic Specifications
WIDTH1.228 INCHES MINIMUM AND 1.248 INCHES MAXIMUM
LENGTH1.503 INCHES MINIMUM AND 1.520 INCHES MAXIMUM
CORNER RADIUS0.318 INCHES NOMINAL
OVERALL THICKNESS0.185 INCHES MINIMUM AND 0.186 INCHES MAXIMUM
MOUNTING HOLE TYPE ROUND, UNTHREADED
MOUNTING HOLE DIAMETER0.203 INCHES NOMINAL
MOUNTING HOLE ARRANGEMENT STYLE HORIZONTAL CENTERLINE
BOLT CIRCLE HOLE QUANTITY2
DISTANCE BETWEEN HOLES ALONG LENGTH0.874 INCHES MINIMUM AND 0.877 INCHES MAXIMUM
HARDNESS RATING39.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM
SPECIAL FEATURESONE CENTRAL TANG 0.602 IN.NOM LG BY 0.250 IN.W EXTENDING ONE SIDE W/0.310 IN.CORNER RADIUS;HOLES COUNTERSUNK 82 DEG TO 0.390 IN.MIN,0.400 IN.MAX DIA;SHAPE:SPECIAL
TEST DATA DOCUMENT81349-MILI6868 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).