5305-01-236-2897 SETSCREW Index 5970-01-236-2899 INSULATOR,BUSHING

National Stock Number:
5305-01-236-2898

Federal Supply Class:
5305

National Item Identification Number:
012362898

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:
121754-6-2056878SPS TECHNOLOGIES, LLC
121754-6-2080539SPS TECHNOLOGIES, LLC
5305PL07839929009HINSPEKTORAT WSPARCIA SIL ZBROJNYCH
5305PL19362439009HINSPEKTORAT WSPARCIA SIL ZBROJNYCH
AIC9535-6-2006725SPS TECHNOLOGIES, LLC
C9535-6-2006725SPS TECHNOLOGIES, LLC
C9535-6-2056878SPS TECHNOLOGIES, LLC
C9535-6-2081755LOCKHEED MARTIN CORPORATION
PBF1198-6-2027624SPS TECHNOLOGIES LLC
VT1696-6-2006950HOWMET GLOBAL FASTENING SYSTEMS INC
VT1696-6-2092215HOWMET GLOBAL FASTENING SYSTEMS INC


Techincal Specification:
COUNTERSINK ANGLE99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
FASTENER LENGTH1.805 INCHES MINIMUM AND 1.835 INCHES MAXIMUM
GRIP DIAMETER0.3735 INCHES MINIMUM AND 0.3745 INCHES MAXIMUM
GRIP LENGTH1.240 INCHES MINIMUM AND 1.260 INCHES MAXIMUM
HEAD DIAMETER0.515 INCHES MINIMUM AND 0.535 INCHES MAXIMUM
HEAD HEIGHT0.096 INCHES MINIMUM AND 0.109 INCHES MAXIMUM
HEAD STYLEFILLISTER COUNTERSUNK
INTERNAL DRIVE STYLEOFFSET CRUCIFORM (TORQUE SET)
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 6487 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP H11 OVERALL
NOMINAL THREAD DIAMETER0.375 INCHES
SPECIAL FEATURESTOP OF HEAD IS FLAT
SURFACE FINISH32.0 MICROINCHES GRIP
SURFACE FINISH32.0 MICROINCHES THREADS
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.545 INCHES MINIMUM AND 0.595 INCHES MAXIMUM
THREAD QUANTITY PER INCH24
THREAD SERIES DESIGNATORUNJF


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