5330-01-508-8528 PACKING ASSEMBLY Index 5330-01-508-8530 PACKING ASSEMBLY

National Stock Number:
5310-01-508-8529

Federal Supply Class:
5310

National Item Identification Number:
015088529

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:
724954853711NAVAL SEA SYSTEMS COMMAND


Techincal Specification:
BEARING SURFACE TYPECHAMFERED
HARDNESS RATING36.0 ROCKWELL C MINIMUM AND 41.0 ROCKWELL C MAXIMUM
HOLE CONFIGURATION STYLECONFIGURATION B
LUBRICATIONDRY FILM LUBRICANT
NUT HEIGHT0.812 INCHES NOMINAL
NUT STYLEHEXAGON
MATERIAL DOCUMENT AND CLASSIFICATIONASTM-A-322 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL OVERALL
NOMINAL THREAD SIZE0.500 INCHES
PART NAME ASSIGNED BY CONTROLLING AGENCYNUT, CUPPED
SPECIAL FEATURESMATERIAL IS A STEEL ALLOY; NUT IS IRREGULARLY SHAPED IN THAT IT HAS A HEAD HEIGHT OF ONLY 0.312 INCHES OF THE TOTAL HEIGHT AND HAS A PROTRUDING SHAFT OF 0.745 INCH DIAMETER COMPLIMENTING THE REMAINDER OF THE HEIGHT, WITH A HOLLOWED OUT PORTION UNDER THE HEAD (CUPPED) BEGINNING 0.125 INCHES FROM OUTER DIAMETER AND TO THE SHAFT
THREAD SERIESUNF
THREAD QUANTITY PER INCH20
WIDTH ACROSS FLATS2.000 INCHES NOMINAL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONDOD-P-16232,TYPE M FED STD SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTPHOSPHATE MANGANESE OVERALL
THREAD CLASS3B
THREAD DIRECTIONRIGHT-HAND


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