5325-00-045-1879 RING,RETAINING Index 5310-00-045-1881 NUT,PLAIN,HEXAGON

National Stock Number:
5310-00-045-1880

Federal Supply Class:
5310

National Item Identification Number:
000451880

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:
107C2659-177272THE BOEING COMPANY
107C2659-181205THE BOEING COMPANY


Techincal Specification:
THREAD SERIESUNF
NOMINAL THREAD SIZE0.500 INCHES
THREAD QUANTITY PER INCH20
THREAD CLASS3B
THREAD DIRECTIONRIGHT-HAND
MATERIALSTEEL COMP 4130 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-6758,COND F4 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENTCADMIUM OVERALL
HARDNESS RATING33.0 ROCKWELL C MINIMUM AND
38.0 ROCKWELL C MAXIMUM
NUT STYLEHEXAGON
NUT HEIGHT0.281 INCHES NOMINAL
WIDTH ACROSS FLATS0.615 INCHES MINIMUM AND
0.627 INCHES MAXIMUM
HOLE CONFIGURATION STYLECONFIGURATION B
HOLE TYPE AND QUANTITY3 DRILLED
DRILLED HOLE DIAMETER0.046 INCHES NOMINAL
BEARING SURFACE TYPECHAMFERED
COUNTERSINK ANGLE110.0 DEGREES NOMINAL NUT
BEARING SURFACE FINISH250.0 MICROINCHES
THE MANUFACTURERS DATA
MANUFACTURERS CODE77272
DESIGN CONTROL REFERENCE107C2659-1


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