5310-01-162-5720 NUT,PLAIN,HEXAGON Index 5310-01-162-5722 NUT,PLAIN,SLOTTED,HEXAGON

National Stock Number:
5310-01-162-5721

Federal Supply Class:
5310

National Item Identification Number:
011625721

Description:
NUT,PLAIN,HEXAGON

Detail:
A nut, flat on top and bottom having 6 flat sides. For items which have internal tapered or straight (parallel) pipe threads, specific electrical conduit size designation, and which when installed, provide a method of tightening to lock the connection, see LOCKNUT, ELECTRICAL CONDUIT. See also LOCKNUT, TUBE FITTING. For items having a thickness (or height) exceeding two times the width across the flats, use POST, ELECTRICAL-MECHANICAL EQUIPMENT. (When height or thickness and/or width across the flats is designated as a tolerance dimension, the maximum dimension will be used to determine compliance.)


Manufacturer Information:
70400-02267-10878286SIKORSKY AIRCRAFT CORPORATION


Techincal Specification:
THREAD SERIESUNJC
NOMINAL THREAD SIZE0.625 INCHES
THREAD QUANTITY PER INCH11
THREAD CLASS3B
THREAD DIRECTIONRIGHT-HAND
MATERIALSTEEL COMP E4340 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-5000,COND C MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
HARDNESS RATING34.0 ROCKWELL C MINIMUM AND
38.0 ROCKWELL C MAXIMUM
NUT STYLEHEXAGON
NUT HEIGHT0.204 INCHES NOMINAL
WIDTH ACROSS FLATS0.863 INCHES MINIMUM AND
0.877 INCHES MAXIMUM
HOLE CONFIGURATION STYLECONFIGURATION B
HOLE TYPE AND QUANTITY3 DRILLED
DRILLED HOLE DIAMETER0.046 INCHES NOMINAL
BEARING SURFACE TYPECHAMFERED


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