5305-01-351-6319 SCREW,CAP,HEXAGON HEAD Index 5305-01-351-6321 SCREW,TAPPING

National Stock Number:
5305-01-351-6320

Federal Supply Class:
5305

National Item Identification Number:
013516320

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:
03A220PTK8COMPUTER POWER CABLING CORP
03A225-3-71W025NORTHROP GRUMMAN SYSTEMS CORP
03A225-3-776823NORTHROP GRUMMAN SYSTEMS CORPORATION
123992-3-70PTK6SPS TECHNOLOGIES INC
123992-3-780539SPS TECHNOLOGIES, LLC
AIC1700-3-706725SPS TECHNOLOGIES, LLC
DF33001V-3T-70HDW7HUCK INTERNATIONAL, INC.
DF33001V-3T-797928HUCK INTL INC
HR246-3-773197HI-SHEAR CORPORATION
HR246-3-7L4528LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC
PBF1484-3-727624SPS TECHNOLOGIES LLC
SC5027-3-706950HOWMET GLOBAL FASTENING SYSTEMS INC
SLB212-3-716258SPACE-LOK, INC.


Techincal Specification:
COUNTERSINK ANGLE129.0 DEGREES MINIMUM AND 131.0 DEGREES MAXIMUM
FASTENER LENGTH0.786 INCHES MINIMUM AND 0.816 INCHES MAXIMUM
GRIP DIAMETER0.1890 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM
GRIP LENGTH0.428 INCHES MINIMUM AND 0.448 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
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.363 INCHES NOMINAL
THREAD SERIES DESIGNATORUNJF
THREAD QUANTITY PER INCH32


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