NSN 5310-00-903-3991

Part Details | HEXAGON PLAIN NUT

5310-00-903-3991 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: MS519702, MS51970-2, 2129051, 212905-1, 5310-00-903-3991, 00-903-3991, 5310009033991, 009033991

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JAN 01, 196000-903-399101857 ( NUT, PLAIN, HEXAGON )
REFERENCE DRAWINGS & PICTURES

HEXAGON

Cross Reference | NSN 5310-00-903-3991
Part Number Cage Code Manufacturer
MS51970-296906MILITARY STANDARDSPROMULGATED BY MILITARY DEPARTMENTS
212905-151913WALKER POWER SYSTEMS, INC.DBA TIERNAY TURBINES
Technical Data | NSN 5310-00-903-3991
Characteristic Specifications
THREAD SERIES UNF
NOMINAL THREAD SIZE0.312 INCHES
THREAD QUANTITY PER INCH24
THREAD CLASS2B
THREAD DIRECTION RIGHT-HAND
NUT STYLE HEXAGON
NUT HEIGHT0.258 INCHES MINIMUM AND 0.273 INCHES MAXIMUM
WIDTH ACROSS FLATS0.4890 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM
BEARING SURFACE TYPEH$DWF