5310-00-550-2511 NUT,PLAIN,WELDING Index 5310-00-550-2514 NUT,PLAIN,ROUND

National Stock Number:
5305-00-550-2512

Federal Supply Class:
5305

National Item Identification Number:
005502512

Description:
SCREW,CAP,SOCKET HEAD

Detail:
An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes items with bevel (conical) heads. See BOLT, INTERNAL WRENCHING. Excludes SCREW, SHOULDER; and SCREW, MACHINE.


Manufacturer Information:
10032-0182423KLEINSCHMIDT INC
SMC187662-380063US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR


Techincal Specification:
THREAD SERIES DESIGNATORUNC
NOMINAL THREAD DIAMETER0.164 INCHES
THREAD QUANTITY PER INCH32
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.250 INCHES MINIMUM
FASTENER LENGTH0.312 INCHES NOMINAL
MATERIALSTEEL COMP 310 OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
HARDNESS RATING37.0 ROCKWELL C MINIMUM AND
40.0 ROCKWELL C MAXIMUM OVERALL
HEAD STYLEFLAT CHAMFER
HEAD DIAMETER0.270 INCHES NOMINAL
HEAD HEIGHT0.164 INCHES NOMINAL
INTERNAL DRIVE STYLEHEXAGON
WIDTH ACROSS FLATS0.127 INCHES NOMINAL
FEATURES PROVIDEDCASEHARDENED


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