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		                        | National Stock Number:
 3110-00-397-1372
 
 Federal Supply Class:
 3110
 
 National Item Identification Number:
 003971372
 
 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.
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 Manufacturer Information:
 
 | S10-10-3353 | 78286 | SIKORSKY AIRCRAFT CORPORATION | 
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 Techincal Specification:
 
 | MATERIAL | STEEL OVERALL |  | SURFACE TREATMENT | CADMIUM OVERALL |  | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TYPE 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |  | OUTSIDE DIAMETER | 6.000 INCHES NOMINAL |  | LENGTH | 7.951 INCHES NOMINAL |  | APERTURE DIAMETER | 4.508 INCHES NOMINAL |  | OVERALL THICKNESS | 0.188 INCHES NOMINAL |  | INSIDE RAISED SURFACE DIAMETER | 0.750 INCHES NOMINAL |  | OUTSIDE RAISED SURFACE DIAMETER | 1.250 INCHES NOMINAL |  | MOUNTING HOLE TYPE | ROUND, UNTHREADED |  | MOUNTING HOLE DIAMETER | 0.191 INCHES NOMINAL |  | MOUNTING HOLE ARRANGEMENT STYLE | SINGLE BOLT HOLE CIRCLE |  | BOLT CIRCLE HOLE QUANTITY | 11 |  | MOUNTING BOLT CIRCLE DIAMETER | 5.250 INCHES NOMINAL |  | HARDNESS RATING | 25.0 ROCKWELL C MINIMUM AND |  |  | 32.0 ROCKWELL C MAXIMUM |  | FSC APPLICATION DATA | MAIN ROTOR ASSEMBLY,HELICOPTER |  | THE MANUFACTURERS DATA |  |  | MANUFACTURERS CODE | 78286 |  | DESIGN CONTROL REFERENCE | S10-10-3353 | 
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