5305-01-550-4069, SCREW,CLOSE TOLERANCE

7644-01-550-4068 DIGITAL GEOSPATIAL PRODUCTS

National Stock Number:
5305-01-550-4069

Federal Supply Class:
5305

National Item Identification Number:
015504069

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:

NAS1133V8C

80205

NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE

Techincal Specification:

FASTENER LENGTH	0.761 INCHES MINIMUM AND 0.791 INCHES MAXIMUM
GRIP DIAMETER	0.188 INCHES MINIMUM AND 0.189 INCHES MAXIMUM
GRIP LENGTH	0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM
HEAD DIAMETER	0.357 INCHES MINIMUM AND 0.373 INCHES MAXIMUM
HEAD HEIGHT	0.122 INCHES MINIMUM AND 0.133 INCHES MAXIMUM
HEAD STYLE	PAN
INTERNAL DRIVE STYLE	OFFSET CRUCIFORM (TORQUE SET)
MATERIAL DOCUMENT AND CLASSIFICATION	NAS5621, COMP 6AL-4V ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	TITANIUM ALLOY UNS R54520 OVERALL
MINIMUM TENSILE STRENGTH	160000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER	0.190 INCHES
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	MIL-C-83438, TY2CL3 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	ALUMINUM OVERALL
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.276 INCHES NOMINAL
THREAD QUANTITY PER INCH	32
THREAD SERIES DESIGNATOR	UNIFIED NATIONAL JOINT FINE (UNJF)

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