National Item Identification Number
00-057-0523
National Stock Number
Item Name
SCREW,MACHINE
Federal Supply Class
5305
Referenced on: http://binocularsandtelescopes.tpub.com//TM-9-1240-400-34-P/TM-9-1240-400-34-P0238.htm
Referenced on: http://binocularsandtelescopes.tpub.com//TM-9-1240-400-34-P/TM-9-1240-400-34-P0293.htm
Referenced on: http://binocularsandtelescopes.tpub.com//TM-9-1240-400-34-P/TM-9-1240-400-34-P0301.htm
Referenced on: http://binocularsandtelescopes.tpub.com//TM-9-1240-400-34-P/TM-9-1240-400-34-P0311.htm
Referenced on: http://firetrucksandequipment.tpub.com//TM-9-1240-375-34-P/0820360852.htm
Referenced on: http://firetrucksandequipment.tpub.com//TM-9-1240-375-34-P/0820360864.htmDescription
An externally threaded fastener whose threaded portion is of one nominal diameter, No 0 (0.060 in./1.5 mm) or larger, designed to be held or driven with either a wrench or an inserted driver or both (excluding internal socket or internal multiple spline types), in sizes below No. 10 (0.190 in./5 mm). No. 10 and larger sizes must have a head designed for any type inserted driver (excluding internal socket or internal multiple spline types), but may also be designed for external wrenching. A locking feature may be incorporated in the design of the head or threads. Excludes BOLT, CLEVIS; BOLT, EXTERNALLY RELIEVED BODY; SCREW, EXTERNALLY RELIEVED BODY; and SCREW, ASSEMBLED WASHER. See also, SCREW, INSTRUMENT; BOLT, MACHINE; BOLT, INTERNAL WRENCHING; and SCREW, CAP SOCKET HEAD.
Commercial and Government Entity Code (Supplier Data)
NSN (National Stock Number) 5305-00-057-0523, 5305000570523 NIIN (National Identification Number) 00-057-0523, 000570523
Part Numbers (Reference Numbers)
MS51958-27
Required Categories
THREAD SERIES DESIGNATOR
NOMINAL THREAD DIAMETER
THREAD QUANTITY PER INCH
THR
Required Description
UNF
0.138 INCHES
40
2A
RIGHT-HAND
0.262 INCHES MINIMUM AND
0.312 INCHES MA