5305-01-158-0335, SCREW,CAP,SOCKET HEAD

National Stock Number:
5305-01-158-0335

Federal Supply Class:
5305

National Item Identification Number:
011580335

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:

9439772	11862	GENERAL MOTORS CORP CHEVROLET MOTOR DIV SPECIAL PRODUCTS DEPT
9439772	7X677	GENERAL MOTORS LLC

Techincal Specification:

COUNTERSINK ANGLE	82.0 DEGREES MINIMUM AND 84.0 DEGREES MAXIMUM
FASTENER LENGTH	0.720 INCHES MINIMUM AND 0.750 INCHES MAXIMUM
HARDNESS RATING	80.0 ROCKWELL SUPERFICIAL 15-N MINIMUM OVERALL
HEAD DIAMETER	0.445 INCHES MINIMUM AND 0.475 INCHES MAXIMUM
HEAD STYLE	FLAT COUNTERSUNK
INTERNAL DRIVE STYLE	CROSS RECESS TYPE 1
LOCKING FEATURE	LOCKING TEETH SIDES OF HEAD
MATERIAL DOCUMENT AND CLASSIFICATION	SAE ASSN STD ALL MATERIAL RESPONSES OVERALL
MATERIAL	STEEL COMP 1018 OR STEEL COMP 1020 OR STEEL COMP 1021 OR STEEL COMP 1022 OVERALL
NOMINAL THREAD DIAMETER	0.250 INCHES
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	G-6047-M(240),FSCM 11862 MFR REF SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	PHOSPHATE OVERALL
THREAD CLASS	2A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.528 INCHES MINIMUM AND 0.633 INCHES MAXIMUM
THREAD SERIES DESIGNATOR	UNRC
THREAD QUANTITY PER INCH	20

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