NSN 5310-00-637-1980

Part Details | HEXAGON PLAIN NUT

5310-00-637-1980 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: 12Z201056, 12Z2010-56, 5310-00-637-1980, 00-637-1980, 5310006371980, 006371980

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JAN 01, 196300-637-198001857 ( NUT, PLAIN, HEXAGON )
REFERENCE DRAWINGS & PICTURES

HEXAGON

Cross Reference | NSN 5310-00-637-1980
Part Number Cage Code Manufacturer
12Z2010-5610001NAVAIR AND NAVSEA MANAGEDORIGINAL DESIGN ACTIVITY DWG NOT
Technical Data | NSN 5310-00-637-1980
Characteristic Specifications
THREAD SERIES UNC
NOMINAL THREAD SIZE0.250 INCHES
THREAD QUANTITY PER INCH20
THREAD CLASS2B
THREAD DIRECTION RIGHT-HAND
NUT STYLE HEXAGON
NUT HEIGHT0.187 INCHES MINIMUM AND 0.219 INCHES MAXIMUM
WIDTH ACROSS FLATS0.425 INCHES MINIMUM AND 0.437 INCHES MAXIMUM
BEARING SURFACE TYPEH$DWF
NONDEFINITIVE SPEC/STD DATA2 TYPE AND A STYLE AND 2 TYPE AND B STYLE