5305-01-288-4520 SCREW,SHOULDER Index 5310-01-288-4522 NUT,PLAIN,CLINCH

National Stock Number:
5310-01-288-4521

Federal Supply Class:
5310

National Item Identification Number:
012884521

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:
45048-231127914HONEYWELL INTERNATIONAL INC DBA HONEYWELL
45048-231145934ONTIC ENGINEERING & MANUFACTURING, INC


Techincal Specification:
THREAD SERIESUNF
NOMINAL THREAD SIZE0.250 INCHES
THREAD QUANTITY PER INCH28
THREAD CLASS2B
THREAD DIRECTIONRIGHT-HAND
MATERIALCOPPER ALLOY 462 OR
COPPER ALLOY 464 OR
COPPER ALLOY 482 OR
COPPER ALLOY 485 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-35 FED SPEC ALL MATERIAL RESPONSES OVERALL
SURFACE TREATMENTNICKEL OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-N-290,CL1,TY6 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
NUT STYLEHEXAGON
NUT HEIGHT0.178 INCHES MINIMUM AND
0.193 INCHES MAXIMUM
WIDTH ACROSS FLATS0.423 INCHES MINIMUM AND
0.437 INCHES MAXIMUM
BEARING SURFACE TYPECHAMFERED


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