NSN 5310-01-250-0643

Part Details | HEXAGON PLAIN NUT

5310-01-250-0643 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.)

Alternate Parts: NWC78A342, 5310-01-250-0643, 01-250-0643, 5310012500643, 012500643

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53FEB 24, 198701-250-064301857 ( NUT, PLAIN, HEXAGON )
REFERENCE DRAWINGS & PICTURES

HEXAGON

CONFIGURATION B

Cross Reference | NSN 5310-01-250-0643
Part Number Cage Code Manufacturer
NWC78A34212934NAVAL AIR WARFARE CENTERWEAPONS DIV
Technical Data | NSN 5310-01-250-0643
Characteristic Specifications
THREAD SERIES UNS
NOMINAL THREAD SIZE0.375 INCHES
THREAD QUANTITY PER INCH64
THREAD CLASS2B
THREAD DIRECTION RIGHT-HAND
NUT STYLE HEXAGON
NUT HEIGHT0.187 INCHES NOMINAL
WIDTH ACROSS FLATS0.613 INCHES MINIMUM AND 0.625 INCHES MAXIMUM
HOLE CONFIGURATION STYLE CONFIGURATION B
HOLE TYPE AND QUANTITY4 DRILLED
DRILLED HOLE DIAMETER0.088 INCHES MINIMUM AND 0.093 INCHES MAXIMUM
BEARING SURFACE TYPE CHAMFERED
SPECIAL FEATURESTWO C'BORE HOLES DRILLED THROUGH FACE OF NUT
PART NAME ASSIGNED BY CONTROLLING AGENCYNAVY SPECIAL PROJECT