5305-01-054-6242 SCREW,CLOSE TOLERANCE Index 5305-01-054-6244 SCREW,CLOSE TOLERANCE

National Stock Number:
5305-01-054-6243

Federal Supply Class:
5305

National Item Identification Number:
010546243

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:
121754-7-1380539SPS TECHNOLOGIES, LLC
5305PL07595989009HINSPEKTORAT WSPARCIA SIL ZBROJNYCH
AIC9535-7-1306725SPS TECHNOLOGIES, LLC
C9535-7-1306725SPS TECHNOLOGIES, LLC
C9535-7-1306950HOWMET GLOBAL FASTENING SYSTEMS INC
C9535-7-131GP79PILGRIM SCREW CORP
SF120-7-130K6Z0SATURN FASTENERS INC
PBF1198-7-1327624SPS TECHNOLOGIES LLC
C9535-7-1356878SPS TECHNOLOGIES, LLC
C9535-7-1381755LOCKHEED MARTIN CORPORATION
VT1696-7-1392215HOWMET GLOBAL FASTENING SYSTEMS INC


Techincal Specification:
FASTENER LENGTH1.495 INCHES NOMINAL
GRIP LENGTH0.802 INCHES MINIMUM AND 0.822 INCHES MAXIMUM
GRIP DIAMETER0.4360 INCHES MINIMUM AND 0.4370 INCHES MAXIMUM
INTERNAL DRIVE STYLEOFFSET CRUCIFORM (TORQUE SET)
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 6487 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL OVERALL
MINIMUM TENSILE STRENGTH220000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER0.438 INCHES
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONNAS 672 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTCADMIUM OVERALL
THREAD DIRECTIONRIGHT-HAND
THREAD CLASS3A
THREAD LENGTH0.668 INCHES MINIMUM AND 0.698 INCHES MAXIMUM
THREAD SERIES DESIGNATORUNJF
THREAD QUANTITY PER INCH20


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