5305-00-288-2421 SCREW,CLOSE TOLERANCE Index 5305-00-288-2423 SCREW,CLOSE TOLERANCE

National Stock Number:
5305-00-288-2422

Federal Supply Class:
5305

National Item Identification Number:
002882422

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:
123840-5-1080539SPS TECHNOLOGIES, LLC
3M263-5-1376301THE BOEING COMPANY
66117H5-130PTK6SPS TECHNOLOGIES INC
66117H5-1350392SPS TECHNOLOGIES INC
642AS1004-4D9182ZF INDUSTRIEANTRIEBE WITTEN GMBH
66117H-5-13D9182ZF INDUSTRIEANTRIEBE WITTEN GMBH
HS2623-5Z1317446HUCK INTERNATIONAL, INC
66117H5-1356878SPS TECHNOLOGIES, LLC
HT195-5-1373197HI-SHEAR CORPORATION
HT8115-5-1392215HOWMET GLOBAL FASTENING SYSTEMS INC
HS2623-5Z1397928HUCK INTL INC
HS2623-5Z-13D9182ZF INDUSTRIEANTRIEBE WITTEN GMBH
HT195-5-13L4528LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC


Techincal Specification:
COUNTERSINK ANGLE99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
FASTENER LENGTH1.263 INCHES MINIMUM AND 1.310 INCHES MAXIMUM
GRIP DIAMETER0.3110 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM
GRIP LENGTH0.802 INCHES MINIMUM AND 0.822 INCHES MAXIMUM
HEAD DIAMETER0.625 INCHES MINIMUM AND 0.635 INCHES MAXIMUM
HEAD STYLEFLAT COUNTERSUNK
INTERNAL DRIVE STYLEHIGH-TORQUE
MATERIAL DOCUMENT AND CLASSIFICATION23-105 FSCM 76301 MFR REF SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL OVERALL
NOMINAL THREAD DIAMETER0.312 INCHES
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONPS 13145 FSCM 76301 MFR REF SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTCADMIUM OVERALL
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.441 INCHES MINIMUM AND 0.508 INCHES MAXIMUM
THREAD SERIES DESIGNATORUNIFIED NATIONAL JOINT FINE (UNJF)
THREAD QUANTITY PER INCH24


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