5305-01-355-0202, SCREW,CAP,SOCKET HEAD

National Stock Number:
5305-01-355-0202

Federal Supply Class:
5305

National Item Identification Number:
013550202

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:

CA21274-4-6HS

29372

HOWMET GLOBAL FASTENING SYSTEMS INC.

Techincal Specification:

COUNTERSINK ANGLE	100.0 DEGREES NOMINAL
FASTENER LENGTH	1.252 INCHES NOMINAL
HEAD DIAMETER	0.430 INCHES MINIMUM AND 0.440 INCHES MAXIMUM
HEAD STYLE	OVAL COUNTERSUNK
INTERNAL DRIVE STYLE	HEXAGON
MATERIAL DOCUMENT AND CLASSIFICATION	AMS5673 ASSN STD SINGLE MATERIAL RESPONSE SPRING
MATERIAL DOCUMENT AND CLASSIFICATION	AMS5643 ASSN STD SINGLE MATERIAL RESPONSE BEARING SURFACE OF HEAD
MATERIAL	STEEL COMP 630 BEARING SURFACE OF HEAD
MATERIAL	STEEL COMP 631 SPRING
NOMINAL THREAD DIAMETER	0.250 INCHES
SPECIAL FEATURES	FURNISHED WITH WIRE FORM HOLD OUT
WIDTH ACROSS FLATS	0.1409 INCHES MINIMUM AND 0.1426 INCHES MAXIMUM
SURFACE FINISH	32.0 MICROINCHES GRIP
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	PASSIVATE OVERALL
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.682 INCHES MINIMUM AND 0.821 INCHES MAXIMUM
THREAD SERIES DESIGNATOR	UNF
THREAD QUANTITY PER INCH	28

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