5305-01-331-7579, SCREW,CLOSE TOLERANCE

National Stock Number:
5305-01-331-7579

Federal Supply Class:
5305

National Item Identification Number:
013317579

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:

124379-3-11	80539	SPS TECHNOLOGIES, LLC
GB510FG3-11	26512	NORTHROP GRUMMAN SYSTEMS CORPORATION
VCL0009-3-11	06710	VALLEY-TODECO, INC.
PBF1475-3-11	27624	SPS TECHNOLOGIES LLC

Techincal Specification:

COUNTERSINK ANGLE	99.0 DEGREES MINIMUM AND 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM101.0 DEGREES MAXIMUM
FASTENER LENGTH	1.010 INCHES MINIMUM AND 1.010 INCHES MINIMUM AND 1.057 INCHES MAXIMUM1.057 INCHES MAXIMUM
GRIP DIAMETER	0.1890 INCHES MINIMUM AND 0.1890 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM0.1895 INCHES MAXIMUM
GRIP LENGTH	0.678 INCHES MINIMUM AND 0.678 INCHES MINIMUM AND 0.698 INCHES MAXIMUM0.698 INCHES MAXIMUM
HEAD DIAMETER	0.339 INCHES MINIMUM AND 0.339 INCHES MINIMUM AND 0.381 INCHES MAXIMUM0.381 INCHES MAXIMUM
HEAD STYLE	FLAT COUNTERSUNKFLAT COUNTERSUNK
INTERNAL DRIVE STYLE	OFFSET CRUCIFORM (TORQUE SET)OFFSET CRUCIFORM (TORQUE SET)
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 5662 ASSN STD SINGLE MATERIAL RESPONSE OVERALLAMS 5662 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	NICKEL ALLOY 718 OVERALL
NOMINAL THREAD DIAMETER	0.1907 INCHES0.1907 INCHES
PART NAME ASSIGNED BY CONTROLLING AGENCY	NAVY SPECIAL PROJECTNAVY SPECIAL PROJECT
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALLQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	PASSIVATE OVERALLPASSIVATE OVERALL
THREAD CLASS	3A3A
THREAD DIRECTION	RIGHT-HANDRIGHT-HAND
THREAD LENGTH	0.338 INCHES NOMINAL0.338 INCHES NOMINAL
THREAD SERIES DESIGNATOR	UNIFIED NATIONAL JOINT FINE (UNJF)UNIFIED NATIONAL JOINT FINE (UNJF)
THREAD QUANTITY PER INCH	3232

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