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


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