5305-01-273-6246, SCREW,CAP,SOCKET HEAD

National Stock Number:
5305-01-273-6246

Federal Supply Class:
5305

National Item Identification Number:
012736246

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:

3176210-C-309

10001

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

Techincal Specification:

FASTENER LENGTH	3.400 INCHES MINIMUM AND 3.500 INCHES MAXIMUM
HARDNESS RATING	32.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL
HEAD HEIGHT	0.455 INCHES MINIMUM AND 0.483 INCHES MAXIMUM
HEAD STYLE	HEXAGON
INTERNAL DRIVE STYLE	W/O INTERNAL DRIVE
LOCKING FEATURE	PATCH THREADS
MATERIAL DOCUMENT AND CLASSIFICATION	SAE GR8 ASSN STD SINGLE MATERIAL RESPONSE FASTENER
MATERIAL	PLASTIC LOCKING FEATURE
MATERIAL	STEEL FASTENER
MINIMUM TENSILE STRENGTH	150000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER	0.750 INCHES
WIDTH BETWEEN FLATS	1.100 INCHES MINIMUM AND 1.125 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	ASTM B633 TY 2 CL 3 ASSN STD SINGLE TREATMENT RESPONSE FASTENER
SURFACE TREATMENT	ZINC AND CHROMATE FASTENER
THREAD DIRECTION	RIGHT-HAND
THREAD CLASS	2A
THREAD LENGTH	1.500 INCHES MINIMUM AND 3.500 INCHES MAXIMUM
THREAD SERIES DESIGNATOR	UNC
THREAD QUANTITY PER INCH	10

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