5305-01-338-6809 SCREW,CLOSE TOLERANCE Index 5305-01-338-6811 SCREW,TAPPING

National Stock Number:
5305-01-338-6810

Federal Supply Class:
5305

National Item Identification Number:
013386810

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:
12455-7-1780539SPS TECHNOLOGIES, LLC
3M1165-7-1706725SPS TECHNOLOGIES, LLC
3M1165-7-1706950HOWMET GLOBAL FASTENING SYSTEMS INC
3M1165-7-1758845ABOUNDING SECURITY INC DIV OF MAA CORP
3M1165-7-1773197HI-SHEAR CORPORATION
3M1165-7-1776301THE BOEING COMPANY
AIC1165-7-1706725SPS TECHNOLOGIES, LLC
SC1823-7-1706950HOWMET GLOBAL FASTENING SYSTEMS INC
MA21165-7-1758845ABOUNDING SECURITY INC DIV OF MAA CORP
HR249-7-1773197HI-SHEAR CORPORATION
3M1165-7-1780539SPS TECHNOLOGIES, LLC
3M1165-7-1792215HOWMET GLOBAL FASTENING SYSTEMS INC
VT1731-7-1792215HOWMET GLOBAL FASTENING SYSTEMS INC
3M1165-7-17L4528LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC


Techincal Specification:
COUNTERSINK ANGLE99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
FASTENER LENGTH1.722 INCHES MINIMUM AND 1.752 INCHES MAXIMUM
GRIP LENGTH1.052 INCHES MINIMUM AND 1.072 INCHES MAXIMUM
GRIP DIAMETER0.436 INCHES MINIMUM AND 0.4370 INCHES MAXIMUM
HEAD DIAMETER0.880 INCHES MINIMUM AND 0.890 INCHES MAXIMUM
HEAD STYLEFLAT COUNTERSUNK
INTERNAL DRIVE STYLEOFFSET CRUCIFORM (TORQUE SET)
MATERIALNICKEL ALLOY K-500 OVERALL
NOMINAL THREAD DIAMETER0.438 INCHES
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
THREAD DIRECTIONRIGHT-HAND
THREAD CLASS3A
THREAD LENGTH0.675 INCHES NOMINAL
THREAD SERIES DESIGNATORUNJF
THREAD QUANTITY PER INCH20


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