4240-01-545-9605 BREATHING APPARATUS,SELF-CONTAIN Index 4820-01-545-9607 VALVE ASSEMBLY

National Stock Number:
5310-01-545-9606

Federal Supply Class:
5310

National Item Identification Number:
015459606

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:
5310PL08481729009HINSPEKTORAT WSPARCIA SIL ZBROJNYCH
P971-181755LOCKHEED MARTIN CORPORATION


Techincal Specification:
BEARING SURFACE TYPECHAMFERED
NUT HEIGHT0.375 INCHES NOMINAL
NUT STYLEHEXAGON
MATERIALIRON ALLOY 660 OVERALL
NOMINAL THREAD SIZE0.562 INCHES
THREAD SERIESUNIFIED NATIONAL JOINT FINE (UNJF)
THREAD QUANTITY PER INCH18
WIDTH ACROSS FLATS0.875 INCHES NOMINAL
THREAD CLASS3B
THREAD DIRECTIONRIGHT-HAND


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