5305-01-123-7102, SCREW,CAP,SOCKET HEAD

National Stock Number:
5305-01-123-7102

Federal Supply Class:
5305

National Item Identification Number:
011237102

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:

MS21096-4007

96906

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

Techincal Specification:

THREAD SERIES DESIGNATOR	UNF
NOMINAL THREAD DIAMETER	0.250 INCHES
THREAD QUANTITY PER INCH	28
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.444 INCHES MINIMUM AND
	0.510 INCHES MAXIMUM
FASTENER LENGTH	0.891 INCHES MINIMUM AND
	0.937 INCHES MAXIMUM
MATERIAL	STEEL COMP 4037 OR
	STEEL COMP 8630 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION	AMS6300 ASSN STD 1ST MATERIAL RESPONSE OR
	MIL-S-6050 MIL SPEC 2ND MATERIAL RESPONSE OVERALL
SURFACE TREATMENT	CADMIUM AND
	CHROMATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
HARDNESS RATING	26.0 ROCKWELL C MINIMUM AND
	32.0 ROCKWELL C MAXIMUM OVERALL
MINIMUM TENSILE STRENGTH	125000 POUNDS PER SQUARE INCH
HEAD STYLE	PAN
HEAD DIAMETER	0.473 INCHES MINIMUM AND
	0.492 INCHES MAXIMUM
HEAD HEIGHT	0.162 INCHES MINIMUM AND
	0.175 INCHES MAXIMUM
INTERNAL DRIVE STYLE	CROSS RECESS TYPE 1
LOCKING FEATURE	STRIP OR
	PELLET OR
	PATCH THREADS
SPEC/STD CONTROLLING DATA
MANUFACTURERS CODE	96906
DEFINITIVE GOVERNMENT SPEC/STD REFERENCE	MS21096-4007

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