5975-01-205-3446 BOOT,DUST AND MOISTURE SEAL Index 5310-01-205-3448 NUT,PLAIN,HEXAGON

National Stock Number:
5310-01-205-3447

Federal Supply Class:
5310

National Item Identification Number:
012053447

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:
1-JB-6922 PC 990099NORTHROP GRUMMAN SYSTEMS CORPORATION
3195948 PC 980064NAVAL SHIP SYSTEMS COMMAND
3199599 PIECE 3380064NAVAL SHIP SYSTEMS COMMAND


Techincal Specification:
BEARING SURFACE TYPEWASHER FACED
HARDNESS RATING250.0 BRINELL STANDARD MINIMUM AND 300.0 BRINELL STANDARD MAXIMUM
MATERIALSTEEL CORROSION RESISTING OVERALL
III PART NAME ASSIGNED BY CONTROLLING AGENCYNAVY SPECIAL PROJECT
PROPRIETARY CHARACTERISTICSPACS
NOMINAL THREAD SIZE0.875 INCHES
NUT HEIGHT0.724 INCHES MINIMUM AND 0.776 INCHES MAXIMUM
NUT STYLEHEXAGON
SPECIAL FEATURESSTEEL GRADE FIVE; TOP CHAMFERED 30.0 DEG; BEARING SURFACE AT RIGHT ANGLE TO AXIS OF THD HOLE WITHIN 1.0 DEG; WASHER FACE 0.156 IN. THK
WIDTH ACROSS FLATS1.269 INCHES MINIMUM AND 1.313 INCHES MAXIMUM
THREAD CLASS2B
THREAD DIRECTIONRIGHT-HAND
THREAD QUANTITY PER INCH9
THREAD SERIESUNC


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