5330-01-389-0987 GASKET Index 4810-01-389-0989 VALVE,LINEAR,DIRECTIONAL CONTROL

National Stock Number:
5310-01-389-0988

Federal Supply Class:
5310

National Item Identification Number:
013890988

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:
803-2177525-M4XX-1780064NAVAL SHIP SYSTEMS COMMAND


Techincal Specification:
THREAD SERIESUNC
NOMINAL THREAD SIZE0.375 INCHES
THREAD QUANTITY PER INCH16
THREAD CLASS2B
THREAD DIRECTIONRIGHT-HAND
MATERIALNICKEL ALLOY R-405 OVERALL
NUT STYLEHEXAGON
NUT HEIGHT0.320 INCHES MINIMUM AND
0.337 INCHES MAXIMUM
WIDTH ACROSS FLATS0.551 INCHES MINIMUM AND
0.562 INCHES MAXIMUM
BEARING SURFACE TYPECHAMFERED OR
WASHER FACED


Click here to Register for Free 30-day Trial