5305-01-432-1752 SCREW,MACHINE Index 9540-01-432-1754 CHANNEL,STRUCTURAL

National Stock Number:
5305-01-432-1753

Federal Supply Class:
5305

National Item Identification Number:
014321753

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:
3070AS590-230003NAVAL AIR SYSTEMS COMMAND MANAGED ORIGINAL DESIGN ACTIVITY NOT MATERIAL/PARTS SUPPLIER
7/8-9X3-1/2 SHCS70034A G DAVIS & ENGINEERING/AA GAGE
9251A8862V507MCMASTER-CARR SUPPLY COMPANY
91251A88639428MCMASTER-CARR SUPPLY CO


Techincal Specification:
THREAD SERIES DESIGNATORUNRC
NOMINAL THREAD DIAMETER0.875 INCHES
THREAD QUANTITY PER INCH9
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH2.500 INCHES MINIMUM AND
3.060 INCHES MAXIMUM
FASTENER LENGTH3.500 INCHES NOMINAL
MATERIALSTEEL UNS K03104 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A574 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENTOXIDE OVERALL
COLORBLACK OVERALL
HARDNESS RATING34.0 ROCKWELL C MINIMUM AND
45.0 ROCKWELL C MAXIMUM OVERALL
MINIMUM TENSILE STRENGTH170000 POUNDS PER SQUARE INCH
HEAD STYLEFLAT CHAMFER
HEAD DIAMETER1.293 INCHES MINIMUM AND
1.312 INCHES MAXIMUM
HEAD HEIGHT0.864 INCHES MINIMUM AND
0.875 INCHES MAXIMUM
INTERNAL DRIVE STYLEHEXAGON
WIDTH ACROSS FLATS0.750 INCHES NOMINAL


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