5306-01-536-4432 BOLT,CLOSE TOLERANCE Index 5306-01-536-4434 BOLT,CLOSE TOLERANCE

National Stock Number:
5306-01-536-4433

Federal Supply Class:
5306

National Item Identification Number:
015364433

Description:
BOLT,CLOSE TOLERANCE

Detail:
An externally threaded fastener whose unthreaded portion is of a specified grip length, plated or unplated, and is machined to a tolerance of one thousandth (0.001) of an inch (0.025 mm) or less of a specific diameter for items one inch (25 mm) or less in diameter. Items over one inch (25 mm) in diameter shall have a tolerance of fifteen ten-thousandths (0.0015) of an inch (0.038 mm) or less. The nominal major diameter of the threads shall be at least one thousandth (0.001) of an inch (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 not designed to be held or driven with an inserted driver, nor is it designed for rotation by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads. For items having close tolerance, and fabricated from material having 160,000 pounds per square inch (1100 megapascals) minimum tensile strength, see BOLT, SHEAR. For items fabricated from material having less than 160,000 pounds per square inch (1100 megapascals) minimum tensile strength and not having a close tolerance, see BOLT, MACHINE.


Manufacturer Information:
11861E4D5A59563REID PRODUCTS INC.
3M1277E4D5A007R1TWIST TITE MFG, INC
3M1277E4D5A06710VALLEY-TODECO, INC.
3M1277E4D5A0K6Z0SATURN FASTENERS INC
3M1277E4D5A0ZC92HEARTLAND PRECISION FASTENERS INC
3M1277E4D5A1EM77B & B SPECIALTIES INC
3M1277E4D5A1VSL7HOUSTON PRECISION FASTENERS I LP
3M1277E4D5A4WL75CAMCAR LLC DIV CAMCAR LLC
3M1277E4D5A58998FASTENER INNOVATION TECHNOLOGY, INC.
3M1277E4D5A76301THE BOEING COMPANY
TX1027E4D5XA06725SPS TECHNOLOGIES, LLC
TX1027E4D5XA06950HOWMET GLOBAL FASTENING SYSTEMS INC
TX1027E4D5XA0PTK6SPS TECHNOLOGIES INC
TX1027E4D5XA27624SPS TECHNOLOGIES LLC
TX1027E4D5XA56878SPS TECHNOLOGIES, LLC
TX1027E4D5XA73197HI-SHEAR CORPORATION
TX1027E4D5XA80539SPS TECHNOLOGIES, LLC
TX1027E4D5XAL4528LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC
WC1277E4D5A60516WEST COAST AEROSPACE, INC.


Techincal Specification:
COUNTERSINK ANGLE99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
CRITICALITY CODE JUSTIFICATIONAGAV
FASTENER LENGTH0.722 INCHES MINIMUM AND 0.752 INCHES MAXIMUM
GRIP DIAMETER0.2646 INCHES MINIMUM AND 0.2651 INCHES MAXIMUM
GRIP LENGTH0.302 INCHES MINIMUM AND 0.322 INCHES MAXIMUM
HEAD DIAMETER0.265 INCHES MINIMUM AND 0.272 INCHES MAXIMUM
HEAD HEIGHT0.057 INCHES NOMINAL
HEAD STYLEFILLISTER COUNTERSUNK
PART NAME ASSIGNED BY CONTROLLING AGENCYBOLT,100 DEG REDUCED HEAD,GEAR DRIVE RECESS,INCONEL 718 (125 KSI SHEAR),0.0156 INCH OVERSIZE
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5662 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALNICKEL ALLOY 718 OVERALL
NOMINAL THREAD DIAMETER0.250 INCHES
SPECIAL FEATURESINTERNAL DRIVE RECESS PER NAS 1800
SUPPLEMENTARY FEATURES0.076 INCH DIA COTTER PIN HOLE AT THE TIP OF THE BOLT 0.106 INCH FROM THE END
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-L-87132,TY 1,GR B MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.410 INCHES MINIMUM AND 0.440 INCHES MAXIMUM
THREAD QUANTITY PER INCH28
THREAD SERIES DESIGNATORUNJF


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