5305-01-014-2585 SCREW,CLOSE TOLERANCE Index 5305-01-014-2587 SCREW,CLOSE TOLERANCE

National Stock Number:
5305-01-014-2586

Federal Supply Class:
5305

National Item Identification Number:
010142586

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:
S5008-3-1517446HUCK INTERNATIONAL, INC
S5008-3-1526512NORTHROP GRUMMAN SYSTEMS CORPORATION
S5008-3-1579RG9NORTHROP GRUMMAN SYSTEMS CORPORATION
S5008-3-1592215HOWMET GLOBAL FASTENING SYSTEMS INC
S5008-3-1597928HUCK INTL INC


Techincal Specification:
COUNTERSINK ANGLE100.0 DEGREES NOMINAL
FASTENER LENGTH1.315 INCHES MINIMUM AND 1.345 INCHES MAXIMUM
GRIP DIAMETER0.1885 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM
GRIP LENGTH0.914 INCHES MINIMUM AND 0.934 INCHES MAXIMUM
HEAD DIAMETER0.2966 INCHES MINIMUM AND 0.3016 INCHES MAXIMUM
HEAD HEIGHT0.013 INCHES MAXIMUM
HEAD STYLEFILLISTER COUNTERSUNK
INTERNAL DRIVE STYLEHIGH-TORQUE
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP XM-13 OVERALL
NOMINAL THREAD DIAMETER0.190 INCHES
SURFACE FINISH32.0 MICROINCHES GRIP
SURFACE FINISH32.0 MICROINCHES THREADS
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.381 INCHES MINIMUM AND 0.431 INCHES MAXIMUM
THREAD SERIES DESIGNATORUNJF
THREAD QUANTITY PER INCH32


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