National Item Identification Number
01-509-2521
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)
31442
NORTHROP GRUMMAN SYSTEMS CORPORATION
ELECTRONIC SYSTEMS DIV
895 OCEANIC DR
ANNAPOLIS
MD
21401
410-260-5330
53711
D9182
Reference Numbers (Part Numbers)
6394396-5
6394396-5
6395396-5
Required Categories
THREAD SERIES
NOMINAL THREAD SIZE
THREAD QUANTITY PER INCH
THREAD CLASS
THRE
Required Description
UNC
0.375 INCHES
16
2B
RIGHT-HAND
NICKEL ALLOY K-500 OVERALL
QQ-N-286, FOR