5305-00-637-6845, SCREW,CAP,SOCKET HEAD

National Stock Number:
5305-00-637-6845

Federal Supply Class:
5305

National Item Identification Number:
006376845

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:

734908PC68

10001

NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER

Techincal Specification:

FASTENER LENGTH	2.750 INCHES NOMINAL
HARDNESS RATING	36.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL
HEAD DIAMETER	0.987 INCHES MINIMUM AND 1.000 INCHES MAXIMUM
HEAD HEIGHT	0.741 INCHES MINIMUM AND 0.750 INCHES MAXIMUM
HEAD STYLE	FLAT CHAMFER
HOLE CONFIGURATION STYLE	ROUND
HOLE DIAMETER	0.070 INCHES NOMINAL
HOLE QUANTITY	2
HOLE TYPE	DRILLED
INTERNAL DRIVE STYLE	HEXAGON
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-S-624 FED SPEC ALL MATERIAL RESPONSES OVERALL
MATERIAL	STEEL COMP 4140 OR STEEL COMP 4145 OR STEEL COMP 8640 OR STEEL COMP 8740 OVERALL
MINIMUM YIELD STRENGTH	140000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER	0.750 INCHES
NONDEFINITIVE SPEC/STD DATA	1 TYPE AND 11 STYLE
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-Z-325,CLASS 3,TYPE 11 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	ZINC OVERALL
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	2.000 INCHES NOMINAL
THREAD SERIES DESIGNATOR	UNIFIED NATIONAL COARSE (UNC)
THREAD QUANTITY PER INCH	10
WIDTH ACROSS FLATS	0.562 INCHES MINIMUM AND 0.565 INCHES MAXIMUM

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