5305-01-076-9410, SCREW,CLOSE TOLERANCE

National Stock Number:
5305-01-076-9410

Federal Supply Class:
5305

National Item Identification Number:
010769410

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:

53B333	06725	SPS TECHNOLOGIES, LLC
53B333	27624	SPS TECHNOLOGIES LLC
53B333	73197	HI-SHEAR CORPORATION
53B333	80539	SPS TECHNOLOGIES, LLC
53B333	92215	HOWMET GLOBAL FASTENING SYSTEMS INC
53B333	L4528	LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC
53B333-3	0JRC1	NORTHROP GRUMMAN TECHNICAL SERVICES, INC.
53B333-3	76823	NORTHROP GRUMMAN SYSTEMS CORPORATION

Techincal Specification:

COUNTERSINK ANGLE	99.5 DEGREES MINIMUM AND 100.5 DEGREES MAXIMUM
FASTENER LENGTH	0.578 INCHES MINIMUM AND 0.625 INCHES MAXIMUM
GRIP DIAMETER	0.1885 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM
GRIP LENGTH	0.178 INCHES MINIMUM AND 0.198 INCHES MAXIMUM
HARDNESS RATING	39.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL
HEAD DIAMETER	0.329 INCHES MINIMUM AND 0.385 INCHES MAXIMUM
HEAD STYLE	FLAT COUNTERSUNK
INTERNAL DRIVE STYLE	OFFSET CRUCIFORM (TORQUE SET)
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-S-5626 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-5000 MIL SPEC 2ND MATERIAL RESPONSE OR MIL-S-6049 MIL SPEC 3RD MATERIAL RESPONSE OVERALL
MATERIAL	STEEL COMP E4340 OR STEEL COMP 4140 OR STEEL COMP 8740 OVERALL
MINIMUM TENSILE STRENGTH	180000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER	0.190 INCHES
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416 TY 2 CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	CADMIUM AND CHROMATE OVERALL
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.380 INCHES MINIMUM AND 0.447 INCHES MAXIMUM
THREAD QUANTITY PER INCH	32
THREAD SERIES DESIGNATOR	UNF

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