5305-01-328-9226 SCREW,CLOSE TOLERANCE Index 5305-01-328-9228 SCREW,CLOSE TOLERANCE

National Stock Number:
5305-01-328-9227

Federal Supply Class:
5305

National Item Identification Number:
013289227

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:
03A225-3-506725SPS TECHNOLOGIES, LLC
03A225-3-506950HOWMET GLOBAL FASTENING SYSTEMS INC
03A225-3-50HDW7HUCK INTERNATIONAL, INC.
03A225-3-50PTK6SPS TECHNOLOGIES INC
03A225-3-51W025NORTHROP GRUMMAN SYSTEMS CORP
03A225-3-527624SPS TECHNOLOGIES LLC
AIC1700-3-506725SPS TECHNOLOGIES, LLC
DF33001V-3T-50HDW7HUCK INTERNATIONAL, INC.
123992-3-50PTK6SPS TECHNOLOGIES INC
03A225-3-573197HI-SHEAR CORPORATION
123992-3-580539SPS TECHNOLOGIES, LLC
DF33001V-3T-597928HUCK INTL INC
DF3301V-3T-597928HUCK INTL INC
03A225-3-5L4528LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC
SC5027-3-506950HOWMET GLOBAL FASTENING SYSTEMS INC
SLB212-3-516258SPACE-LOK, INC.
PBF1484-3-527624SPS TECHNOLOGIES LLC
HR246-3-573197HI-SHEAR CORPORATION


Techincal Specification:
COUNTERSINK ANGLE129.0 DEGREES MINIMUM AND 131.0 DEGREES MAXIMUM
FASTENER LENGTH0.660 INCHES MINIMUM AND 0.690 INCHES MAXIMUM
GRIP LENGTH0.302 INCHES MINIMUM AND 0.322 INCHES MAXIMUM
GRIP DIAMETER0.1890 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM
HEAD DIAMETER0.3825 INCHES MINIMUM AND 0.3911 INCHES MAXIMUM
HEAD STYLEFLAT COUNTERSUNK
INTERNAL DRIVE STYLEOFFSET CRUCIFORM (TORQUE SET)
MATERIAL DOCUMENT AND CLASSIFICATIONAMS4928 ASSN STD SINGLE MATERIAL RESPONSE OR AMS4967 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALTITANIUM ALLOY UNS R56400 OVERALL
NOMINAL THREAD DIAMETER0.190 INCHES
SURFACE FINISH32.0 MICROINCHES BEARING SURFACE OF HEAD
SURFACE FINISH32.0 MICROINCHES GRIP
SURFACE FINISH32.0 MICROINCHES THREADS
THREAD CLASS3A
THREAD LENGTH0.363 INCHES NOMINAL
THREAD DIRECTIONRIGHT-HAND
THREAD QUANTITY PER INCH32
THREAD SERIES DESIGNATORUNJF


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