5305-01-015-5689 SCREW,CAP,HEXAGON HEAD Index 5305-01-015-5692 SCREW,CLOSE TOLERANCE

National Stock Number:
5305-01-015-5690

Federal Supply Class:
5305

National Item Identification Number:
010155690

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:
S5008-4-317446HUCK INTERNATIONAL, INC
S5008-4-326512NORTHROP GRUMMAN SYSTEMS CORPORATION
S5008-4-356878SPS TECHNOLOGIES, LLC
S5008-4-361174NORTHROP GRUMMAN SYSTEMS CORPORATION
S5008-4-373197HI-SHEAR CORPORATION
S5008-4-379RG9NORTHROP GRUMMAN SYSTEMS CORPORATION
S5008-4-392215HOWMET GLOBAL FASTENING SYSTEMS INC
S5008-4-397928HUCK INTL INC


Techincal Specification:
COUNTERSINK ANGLE100.0 DEGREES NOMINAL
FASTENER LENGTH0.626 INCHES MINIMUM AND 0.656 INCHES MAXIMUM
GRIP DIAMETER0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM
GRIP LENGTH0.162 INCHES MINIMUM AND 0.182 INCHES MAXIMUM
HEAD DIAMETER0.3898 INCHES MINIMUM AND 0.3948 INCHES MAXIMUM
HEAD HEIGHT0.015 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 DIAMETER0.250 INCHES
SURFACE FINISH32.0 MICROINCHES GRIP
SURFACE FINISH32.0 MICROINCHES THREADS
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.444 INCHES MINIMUM AND 0.494 INCHES MAXIMUM
THREAD SERIES DESIGNATORUNJF
THREAD QUANTITY PER INCH28


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