5305-01-266-8365, SCREW,CAP,SOCKET HEAD

National Stock Number:
5305-01-266-8365

Federal Supply Class:
5305

National Item Identification Number:
012668365

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-86	81349	MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
MS24674-45	80205	NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE
MS24674-45	96906	MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
MS24674-45	U1918	MISSION SYSTEMS WIMBORNE LIMITED

Techincal Specification:

FASTENER LENGTH	0.720 INCHES MINIMUM AND 0.750 INCHES MAXIMUM
HARDNESS RATING	80.0 ROCKWELL C MINIMUM OVERALL
HEAD DIAMETER	0.457 INCHES MINIMUM AND 0.469 INCHES MAXIMUM
HEAD HEIGHT	0.306 INCHES MINIMUM AND 0.312 INCHES MAXIMUM
HEAD STYLE	FLAT CHAMFER
HOLE CONFIGURATION STYLE	HEXAGON FLATS
HOLE DIAMETER	0.044 INCHES MINIMUM AND 0.050 INCHES MAXIMUM
HOLE QUANTITY	3
HOLE TYPE	DRILLED
INTERNAL DRIVE STYLE	HEXAGON
MATERIAL DOCUMENT AND CLASSIFICATION	66 FED STD ALL MATERIAL RESPONSES OVERALL
MATERIAL	STEEL COMP 301 OR STEEL COMP 302 OR STEEL COMP 302B OR STEEL COMP 303 OR STEEL COMP 303SE OR STEEL COMP 304 OR STEEL COMP 304L OR STEEL COMP 305 OR STEEL COMP 308 OR STEEL COMP 309 OR STEEL COMP 309S OR STEEL COMP 310 OR STEEL COMP 310S OR STEEL COMP 314 OR STEEL COMP 316 OR STEEL COMP 316L OR STEEL COMP 317 OR STEEL COMP 321 OR STEEL COMP 347 OR STEEL COMP 348 OR STEEL COMP 384 OR STEEL COMP 385 OVERALL
MINIMUM TENSILE STRENGTH	80000 POUNDS PER SQUARE INCH
MINIMUM YIELD STRENGTH	30000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER	0.375 INCHES
NONDEFINITIVE SPEC/STD DATA	6 TYPE
WIDTH ACROSS FLATS	0.250 INCHES MINIMUM AND 0.253 INCHES MAXIMUM
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	0.581 INCHES MINIMUM AND 0.750 INCHES MAXIMUM
THREAD QUANTITY PER INCH	16
THREAD SERIES DESIGNATOR	UNC

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