5306-00-040-9878 BOLT,SHEAR Index 5305-00-040-9880 SCREW,CAP,HEXAGON HEAD

National Stock Number:
5305-00-040-9879

Federal Supply Class:
5305

National Item Identification Number:
000409879

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:
53B333-4006725SPS TECHNOLOGIES, LLC
53B333-4006950HOWMET GLOBAL FASTENING SYSTEMS INC
53B333-4008524DEUTSCH FASTENER CORP
53B333-400JRC1NORTHROP GRUMMAN TECHNICAL SERVICES, INC.
53B333-4017446HUCK INTERNATIONAL, INC
53B333-4027624SPS TECHNOLOGIES LLC
53B333-4073197HI-SHEAR CORPORATION
53B333-4076823NORTHROP GRUMMAN SYSTEMS CORPORATION
53B333-4079U29NORTHROP GRUMMAN SYSTEMS CORPORATION
53B333-4080539SPS TECHNOLOGIES, LLC
53B333-4092215HOWMET GLOBAL FASTENING SYSTEMS INC
53B333-4097928HUCK INTL INC
53B333-40L4528LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC


Techincal Specification:
COUNTERSINK ANGLE100.0 DEGREES NOMINAL
FASTENER LENGTH2.890 INCHES MINIMUM AND 2.937 INCHES MAXIMUM
GRIP DIAMETER0.1885 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM
GRIP LENGTH2.490 INCHES MINIMUM AND 2.510 INCHES MAXIMUM
HEAD DIAMETER0.329 INCHES MINIMUM AND 0.385 INCHES MAXIMUM
HEAD STYLEFLAT COUNTERSUNK
SURFACE FINISH32.0 MICROINCHES OVERALL
THREAD CLASS3A
THREAD LENGTH0.380 INCHES MINIMUM AND 0.447 INCHES MAXIMUM


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