5305-01-367-4127 THUMBSCREW Index 5306-01-367-4129 BOLT,SHEAR

National Stock Number:
5306-01-367-4128

Federal Supply Class:
5306

National Item Identification Number:
013674128

Description:
BOLT,SHEAR

Detail:
A high strength, 160,000 pounds per square inch (1100 megapascals) minimum tensile strength externally threaded fastener designed for use in applications involving great shear stress. The head is designed to accommodate an external wrench or driver. 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. The unthreaded portion is of specific 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. A locking feature may be incorporated in the design of the head or threads. See BOLT, MACHINE and BOLT, CLEVIS.


Manufacturer Information:
74328-4H1056878SPS TECHNOLOGIES, LLC
AIC752-4H1006725SPS TECHNOLOGIES, LLC
BM3326-4H1017446HUCK INTERNATIONAL, INC
MB84-4H1073197HI-SHEAR CORPORATION
BM3326-4H1097928HUCK INTL INC
MB84-4H10L4528LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC
ST3M571-4H1006710VALLEY-TODECO, INC.
ST3M571-4H1006725SPS TECHNOLOGIES, LLC
ST3M571-4H1006950HOWMET GLOBAL FASTENING SYSTEMS INC
ST3M571-4H100JV78J M PRECISION INC
ST3M571-4H100PTK6SPS TECHNOLOGIES INC
S371-4H1017446HUCK INTERNATIONAL, INC
S11-1059-4H1057928SONIC INDUSTRIES, INC.
S371-4H1097928HUCK INTL INC
VAL23033-4H1006710VALLEY-TODECO, INC.
VS3060-4H1006950HOWMET GLOBAL FASTENING SYSTEMS INC
ST3M571-4H100ZC92HEARTLAND PRECISION FASTENERS INC
ST3M571-4H1017446HUCK INTERNATIONAL, INC
ST3M571-4H1027624SPS TECHNOLOGIES LLC
ST3M571-4H1056878SPS TECHNOLOGIES, LLC
ST3M571-4H1057928SONIC INDUSTRIES, INC.
ST3M571-4H1058998FASTENER INNOVATION TECHNOLOGY, INC.
ST3M571-4H1073197HI-SHEAR CORPORATION
ST3M571-4H1076301THE BOEING COMPANY
VS3060-4H1092215HOWMET GLOBAL FASTENING SYSTEMS INC
ST3M571-4H10L4528LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC


Techincal Specification:
THREAD SERIES DESIGNATORUNJF
NOMINAL THREAD DIAMETER0.250 INCHES
THREAD QUANTITY PER INCH28
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.443 INCHES MINIMUM AND
0.493 INCHES MAXIMUM
FASTENER LENGTH1.078 INCHES MINIMUM AND
1.108 INCHES MAXIMUM
MATERIALSTEEL COMP XM-13 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION23M112 TY A MFR REF SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
MINIMUM TENSILE STRENGTH220000 POUNDS PER SQUARE INCH
HEAD STYLEDOUBLE HEXAGON W/HOLE
HEAD HEIGHT0.290 INCHES MINIMUM AND
0.310 INCHES MAXIMUM
WIDTH BETWEEN FLATS0.303 INCHES MINIMUM AND
0.325 INCHES MAXIMUM
EXTENDED WASHER DIAMETER0.428 INCHES MINIMUM AND
0.438 INCHES MAXIMUM
EXTENDED WASHER THICKNESS0.059 INCHES MINIMUM AND
0.079 INCHES MAXIMUM
HOLE CONFIGURATION STYLEDOUBLE HEXAGON LONGITUDINAL HOLE
HOLE TYPEDRILLED
HOLE QUANTITY1
HOLE DIAMETER0.150 INCHES MINIMUM AND
0.190 INCHES MAXIMUM
GRIP LENGTH0.615 INCHES MINIMUM AND
0.635 INCHES MAXIMUM
GRIP DIAMETER0.2490 INCHES MINIMUM AND
0.2495 INCHES MAXIMUM


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