5306-01-166-7928 BOLT,HOOK Index 5305-01-166-7930 SETSCREW

National Stock Number:
5305-01-166-7929

Federal Supply Class:
5305

National Item Identification Number:
011667929

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:
MS21091-300896906MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
COUNTERSINK ANGLE99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
FASTENER LENGTH0.891 INCHES MINIMUM AND 0.937 INCHES MAXIMUM
HARDNESS RATING26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
HEAD DIAMETER0.327 INCHES MINIMUM AND 0.385 INCHES MAXIMUM
HEAD STYLEFLAT COUNTERSUNK
INTERNAL DRIVE STYLECROSS RECESS TYPE 1
LOCKING FEATURESTRIP OR PELLET OR PATCH THREADS
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 6300 ASSN STD 1ST MATERIAL RESPONSE OR MIL-S-6050 MIL SPEC 2ND MATERIAL RESPONSE FASTENER
MATERIALPLASTIC LOCKING FEATURE
MATERIALSTEEL COMP 4037 OR STEEL COMP 8630 FASTENER
MINIMUM TENSILE STRENGTH125000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER0.190 INCHES
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416 TY 2 CL 3 FED SPEC SINGLE TREATMENT RESPONSE FASTENER
SURFACE TREATMENTCADMIUM AND CHROMATE FASTENER
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.381 INCHES MINIMUM AND 0.447 INCHES MAXIMUM
THREAD SERIES DESIGNATORUNF
THREAD QUANTITY PER INCH32


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