National Item Identification Number
00-253-2798
National Stock Number
Item Name
NUT,PLAIN,HEXAGON
Federal Supply Class
5310
Referenced on: http://aviationandaccessories.tpub.com//TM-55-4920-428-30P/css/TM-55-4920-428-30P_51.htm
Referenced on: http://aviationandaccessories.tpub.com//TM-55-4920-428-30P/css/TM-55-4920-428-30P_57.htmDescription
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)
87045
WALZ & KRENZER INC
DIV MAPECO PRODUCTS
91 WILLENBROCK RD UNIT B4
OXFORD
CT
06478
203-267-5712
D9182
D9182
NSN (National Stock Number) 5310-00-253-2798, 5310002532798 NIIN (National Identification Number) 00-253-2798, 002532798
Part Numbers (Reference Numbers)
D2617 PIECE-6
FFN836
MS51967-50
2 1-4 X 4 1-2 U NC HEX (SPL)
2 1/4 - 4 1/2 U
Required Categories
THREAD SERIES
NOMINAL THREAD SIZE
THREAD QUANTITY PER INCH
THREAD CLASS
THRE
Required Description
UNC
2.250 INCHES
4.5
2B
RIGHT-HAND
STEEL OVERALL
CADMIUM AND
CHROMATE OVE