5305-00-005-0465, SCREW,CLOSE TOLERANCE

National Stock Number:
5305-00-005-0465

Federal Supply Class:
5305

National Item Identification Number:
000050465

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:

7S33J6-9

43999

THE BOEING COMPANY

Techincal Specification:

DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER	0.808 INCHES MINIMUM AND 0.858 INCHES MAXIMUM FIRST HOLE
FASTENER LENGTH	0.938 INCHES MINIMUM AND 0.968 INCHES MAXIMUM
GRIP LENGTH	0.552 INCHES MINIMUM AND 0.572 INCHES MAXIMUM
GRIP DIAMETER	0.3735 INCHES MINIMUM AND 0.3745 INCHES MAXIMUM
HEAD DIAMETER	0.552 INCHES MINIMUM AND 0.563 INCHES MAXIMUM
HEAD HEIGHT	0.191 INCHES MINIMUM AND 0.215 INCHES MAXIMUM
HEAD STYLE	FLAT CHAMFER
INTERNAL DRIVE STYLE	OFFSET CRUCIFORM (TORQUE SET)
MATERIAL DOCUMENT AND CLASSIFICATION	HB0160-001 TY 2 H-11,FSCM 43999 MFR REF SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	STEEL OVERALL
MINIMUM TENSILE STRENGTH	260000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER	0.375 INCHES
SHANK UNTHREADED HOLE DIAMETER	0.106 INCHES MINIMUM AND 0.116 INCHES MAXIMUM FIRST HOLE
SINGLE SHEAR STRENGTH	17250 POUNDS PER SQUARE INCH
SPECIAL FEATURES	RECESS PAINTED WITH ALUMINUM SILICONE NA2-1315 TYPE 2 43999
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	LA0109-005,FSCM 43999 MFR REF SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	NICKEL AND ZINC OVERALL
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.366 INCHES MINIMUM AND 0.416 INCHES MAXIMUM
THREAD QUANTITY PER INCH	24
THREAD SERIES DESIGNATOR	UNF

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