5305-00-192-0583, SCREW,CLOSE TOLERANCE

5905-00-192-0584 RESISTOR,FIXED,WIREWOUND,INDUCT

National Stock Number:
5305-00-192-0583

Federal Supply Class:
5305

National Item Identification Number:
001920583

Description:
SCREW,CLOSE TOLERANCE

Detail:
A SCREW, MACHINE or SCREW, CAP, SOCKET HEAD whose unthreaded portion is of specified grip length, plated or unplated, and is machined to a tolerance of one thousandth (0.001 IN.) (0.025 mm) or less of a specific diameter for items (1.000 IN.) (25 mm) or less in diameter. Items over (1.000 IN.) (25 mm) in diameter shall have a tolerance of fifteen ten thousandths (0.0015 IN.) (0.038 mm) or less. The nominal major diameter of the threads shall be at least one thousandth (0.001 IN.) (0.025 mm) below the minimum shank diameter, but not below the minimum major diameter for applicable class of fit, as shown in the Screw Thread Standards, FED STD H28 and/or other nationally recognized standards. The head is designed to be held or driven with an inserted driver. It is not designed for rotation by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads.

Manufacturer Information:

C3606-23	06725	SPS TECHNOLOGIES, LLC
C3606-23	81755	LOCKHEED MARTIN CORPORATION
C3606-23	92215	HOWMET GLOBAL FASTENING SYSTEMS INC
HR112-7-23	73197	HI-SHEAR CORPORATION
HR112-7-23	L4528	LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC

Techincal Specification:

COUNTERSINK ANGLE	99.0 DEGREES MINIMUM AND 100.0 DEGREES MAXIMUM
FASTENER LENGTH	1.360 INCHES MINIMUM AND 1.380 INCHES MAXIMUM
GRIP DIAMETER	0.4358 INCHES MINIMUM AND 0.4367 INCHES MAXIMUM
GRIP LENGTH	0.700 INCHES MINIMUM AND 0.720 INCHES MAXIMUM
HARDNESS RATING	46.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM OVERALL
HEAD DIAMETER	0.875 INCHES MINIMUM AND 0.895 INCHES MAXIMUM
HEAD STYLE	FLAT COUNTERSUNK
INTERNAL DRIVE STYLE	OFFSET CRUCIFORM (TORQUE SET)
MATERIAL DOCUMENT AND CLASSIFICATION	AMS6485 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	STEEL COMP H11 OVERALL
MINIMUM TENSILE STRENGTH	220000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER	0.438 INCHES
SPECIAL FEATURES	SOCKET HEXAGON INTERNAL DRIVE ON THREADED END
WIDTH ACROSS FLATS	0.220 INCHES MINIMUM AND 0.226 INCHES MAXIMUM
SURFACE FINISH	32.0 MICROINCHES BEARING SURFACE OF HEAD
SURFACE FINISH	32.0 MICROINCHES THREADS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	NAS 672 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	CADMIUM OVERALL
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.640 INCHES MINIMUM AND 0.680 INCHES MAXIMUM
THREAD QUANTITY PER INCH	20
THREAD SERIES DESIGNATOR	UNJF

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