5305-01-280-5753, SCREW,CAP,SOCKET HEAD

National Stock Number:
5305-01-280-5753

Federal Supply Class:
5305

National Item Identification Number:
012805753

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:

30155-2-8	08664	BRISTOL BABCOCK INC INSTRUMENTS-SYSTEMS DIV SUB OF BABCOCK INTL INC
30155-2-8	50027	UNDERSEA SENSOR SYSTEMS INC

Techincal Specification:

FASTENER LENGTH	0.500 INCHES NOMINAL
HARDNESS RATING	36.0 ROCKWELL C MINIMUM OVERALL AND 43.0 ROCKWELL C MAXIMUM OVERALL
HEAD DIAMETER	0.154 INCHES MINIMUM AND 0.164 INCHES MAXIMUM
HEAD HEIGHT	0.038 INCHES MINIMUM AND 0.046 INCHES MAXIMUM
HEAD STYLE	BUTTON
INTERNAL DRIVE STYLE	SIX SPLINE
MATERIAL DOCUMENT AND CLASSIFICATION	AISI 4037 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	STEEL COMP 4037 OVERALL
PROPRIETARY CHARACTERISTICS	PACS
NOMINAL THREAD DIAMETER	0.086 INCHES
SPLINE MAJOR DIAMETER	0.061 INCHES MINIMUM AND 0.062 INCHES MAXIMUM
SPLINE MINOR DIAMETER	0.050 INCHES MINIMUM AND 0.051 INCHES MAXIMUM
SPLINE WIDTH	0.013 INCHES MINIMUM AND 0.014 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	MIL-C-13924 CL 3 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	OXIDE OVERALL
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.464 INCHES MINIMUM AND 0.500 INCHES MAXIMUM
THREAD QUANTITY PER INCH	56
THREAD SERIES DESIGNATOR	UNC

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