5306-01-273-6240 BOLT,MACHINE Index 5305-01-273-6242 SCREW,CAP,SOCKET HEAD

National Stock Number:
5305-01-273-6241

Federal Supply Class:
5305

National Item Identification Number:
012736241

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:
MS16997-22L96906MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
THREAD SERIES DESIGNATORUNC
NOMINAL THREAD DIAMETER0.138 INCHES
THREAD QUANTITY PER INCH32
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.657 INCHES MINIMUM AND
0.750 INCHES MAXIMUM
FASTENER LENGTH0.719 INCHES MINIMUM AND
0.750 INCHES MAXIMUM
MATERIALPLASTIC LOCKING FEATURE
STEEL FASTENER
SURFACE TREATMENTCADMIUM AND
CHROMATE FASTENER
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416 TY 2 CL 3 FED SPEC SINGLE TREATMENT RESPONSE FASTENER
HARDNESS RATING36.0 ROCKWELL C MINIMUM AND
45.0 ROCKWELL C MAXIMUM FASTENER
MINIMUM TENSILE STRENGTH180000 POUNDS PER SQUARE INCH
MINIMUM YIELD STRENGTH155000 POUNDS PER SQUARE INCH
HEAD STYLEFLAT CHAMFER
HEAD DIAMETER0.218 INCHES MINIMUM AND
0.226 INCHES MAXIMUM
HEAD HEIGHT0.134 INCHES MINIMUM AND
0.138 INCHES MAXIMUM
INTERNAL DRIVE STYLEHEXAGON
WIDTH ACROSS FLATS0.109 INCHES MINIMUM AND
0.111 INCHES MAXIMUM
LOCKING FEATUREPELLET OR
STRIP LOCKING FEATURE
SPEC/STD CONTROLLING DATA
MANUFACTURERS CODE96906
DEFINITIVE GOVERNMENT SPEC/STD REFERENCEMS16997-22L


Click here to Register for Free 30-day Trial