National Item Identification Number
01-450-5130
National Stock Number
Item Name
NUT,PLAIN,HEXAGON
Federal Supply Class
5310
Description
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.)
Commercial and Government Entity Code (Supplier Data)
D9182
81898
SUPERVISOR OF SHIPBUILDING
CONVERSION AND REPAIR USN
SAN FRANCISCO
CA
94135
53711
53711
Reference Numbers (Part Numbers)
1/2-13UNC-3B (M IL-B-837A GR 2)
122-2422395 PIECE 309
122-2422417 PIECE 309
1
Required Categories
THREAD SERIES
NOMINAL THREAD SIZE
THREAD QUANTITY PER INCH
THREAD CLASS
THRE
Required Description
UNC
0.500 INCHES
13
3B
RIGHT-HAND
STEEL OVERALL
NOT RATED
A12 HEXAGON
0.