4140-01-211-4511 IMPELLER,FAN,AXIAL Index 3110-01-211-4513 PLATE,RETAINING,BEARING

National Stock Number:
3110-01-211-4512

Federal Supply Class:
3110

National Item Identification Number:
012114512

Description:
PLATE,RETAINING,BEARING

Detail:
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.


Manufacturer Information:
NF203276-178567SPECO CORP


Techincal Specification:
BOLT CIRCLE HOLE QUANTITY2
COUNTERBORE DEPTH0.121 INCHES NOMINAL
COUNTERBORE DIAMETER0.500 INCHES NOMINAL
CROSS-SECTIONAL SHAPE STYLERAISED SURFACE W/O APERTURE
LUG QUANTITY2
LUG WIDTH0.500 INCHES NOMINAL
OUTSIDE DIAMETER1.280 INCHES NOMINAL
OUTSIDE RAISED SURFACE DIAMETER0.622 INCHES MINIMUM AND 0.625 INCHES MAXIMUM
OVERALL THICKNESS0.171 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225/6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALALUMINUM ALLOY 2024 OVERALL
MINOR THICKNESS0.050 INCHES NOMINAL
MOUNTING BOLT CIRCLE DIAMETER1.706 INCHES NOMINAL
MOUNTING HOLE DIAMETER0.218 INCHES MINIMUM AND 0.226 INCHES MAXIMUM
MOUNTING HOLE TYPEROUND, UNTHREADED
RADIUS FROM CENTER OF PLATE TO END OF LUG1.103 INCHES NOMINAL
RAISED SURFACE HEIGHT0.121 INCHES NOMINAL
SPECIAL FEATURESOD OF RAISED SURFACE TO HAVE 63.0 MICROIN FIN.; MOUNTING HOLE TABS EACH EQUIDISTANT 0.344 IN. ABOVE HORIZONTAL CENTERLINE AND 0.781 IN. TO EITHER SIDE OF THE VERTICAL CENTERLINE
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTANODIZE OVERALL
TEST DATA DOCUMENT81349-MIL-I-6866 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.).


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