5305-01-115-2505, SCREW,CAP,SOCKET HEAD

National Stock Number:
5305-01-115-2505

Federal Supply Class:
5305

National Item Identification Number:
011152505

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:

FF-S-92	81348	FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC
MS35190-287L	80205	NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE
MS35190-287L	96906	MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M

Techincal Specification:

COUNTERSINK ANGLE	80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM
FASTENER LENGTH	0.469 INCHES MINIMUM AND 0.500 INCHES MAXIMUM
HEAD DIAMETER	0.452 INCHES MINIMUM AND 0.507 INCHES MAXIMUM
HEAD STYLE	FLAT COUNTERSUNK
INTERNAL DRIVE STYLE	CROSS RECESS TYPE 1
LOCKING FEATURE	PATCH OR STRIP THREADS
MATERIAL DOCUMENT AND CLASSIFICATION	ASTMA108 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	STEEL OVERALL
MINIMUM TENSILE STRENGTH	60000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER	0.250 INCHES
NONDEFINITIVE SPEC/STD DATA	3 TYPE AND 2C STYLE
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416 FED SPEC SINGLE TREATMENT RESPONSE OR MIL-C-81562 TYPE 2 CLASS 3 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	CADMIUM AND CHROMATE OVERALL
THREAD LENGTH	0.216 INCHES MINIMUM AND 0.347 INCHES MAXIMUM
THREAD CLASS	2A
THREAD DIRECTION	RIGHT-HAND
THREAD QUANTITY PER INCH	20
THREAD SERIES DESIGNATOR	UNIFIED NATIONAL COARSE (UNC)

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