5305-01-225-1272 SCREW,CAP,SOCKET HEAD Index 5305-01-225-1274 SCREW,CAP,HEXAGON HEAD

National Stock Number:
5305-01-225-1273

Federal Supply Class:
5305

National Item Identification Number:
012251273

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:
33AF1121-02-0435351GE AVIATION SYSTEMS LLC


Techincal Specification:
FASTENER LENGTH0.220 INCHES MINIMUM AND 0.250 INCHES MAXIMUM
HARDNESS RATING70.0 ROCKWELL B MINIMUM AND 90.0 ROCKWELL B MAXIMUM OVERALL
HEAD DIAMETER0.134 INCHES MINIMUM AND 0.140 INCHES MAXIMUM
HEAD HEIGHT0.077 INCHES MINIMUM AND 0.080 INCHES MAXIMUM
HEAD STYLEFLAT CHAMFER
INTERNAL DRIVE STYLEHEXAGON
MATERIALSTEEL COMP 302 OR STEEL COMP 302B OR STEEL COMP 303 OR STEEL COMP 303 PLUS X OR STEEL COMP 303SE OR STEEL COMP 303CU OR STEEL COMP 303MA OR STEEL COMP 304 OR STEEL COMP 304L OVERALL
NOMINAL THREAD DIAMETER0.086 INCHES
WIDTH ACROSS FLATS0.078 INCHES NOMINAL
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.184 INCHES MINIMUM AND 0.250 INCHES MAXIMUM
THREAD CLASS3A
THREAD QUANTITY PER INCH56
THREAD SERIES DESIGNATORUNC


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