3120-01-309-0318 BEARING,SLEEVE Index 5310-01-309-0320 NUT,PLAIN,PLATE

National Stock Number:
5306-01-309-0319

Federal Supply Class:
5306

National Item Identification Number:
013090319

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:
74328-4-1356878SPS TECHNOLOGIES, LLC
74328-4-1380539SPS TECHNOLOGIES, LLC
AIC752-4-1306725SPS TECHNOLOGIES, LLC
BM3326-4-1317446HUCK INTERNATIONAL, INC
GS1030-4-131EM77B & B SPECIALTIES INC
BM3326-4-1397928HUCK INTL INC
ST3M571-4-130JV78J M PRECISION INC
S11-1059-4-1317446HUCK INTERNATIONAL, INC
ST3M571-4-1327624SPS TECHNOLOGIES LLC
ST3M571-4-1357928SONIC INDUSTRIES, INC.
S11-1059-41357928SONIC INDUSTRIES, INC.
MB84-4-1373197HI-SHEAR CORPORATION
S11-1059-4-1397928HUCK INTL INC
MB84-4-13L4528LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC
VAL23033-4-1306710VALLEY-TODECO, INC.
VS3060-4-1306950HOWMET GLOBAL FASTENING SYSTEMS INC
ST3M571-4-1358998FASTENER INNOVATION TECHNOLOGY, INC.
ST3M571-4-1376301THE BOEING COMPANY
ST3M571-4-1392215HOWMET GLOBAL FASTENING SYSTEMS INC
VS3060-4-1392215HOWMET GLOBAL FASTENING SYSTEMS INC


Techincal Specification:
THREAD SERIES DESIGNATORUNJF
NOMINAL THREAD DIAMETER0.250 INCHES
THREAD QUANTITY PER INCH28
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.442 INCHES MINIMUM AND
0.492 INCHES MAXIMUM
FASTENER LENGTH1.265 INCHES MINIMUM AND
1.295 INCHES MAXIMUM
MATERIALSTEEL COMP XM-13 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5629 ASSN STD 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 FLATS0.313 INCHES NOMINAL
EXTENDED WASHER DIAMETER0.428 INCHES MINIMUM AND
0.438 INCHES MAXIMUM
EXTENDED WASHER THICKNESS0.059 INCHES MINIMUM AND
0.079 INCHES MAXIMUM
GRIP LENGTH0.803 INCHES MINIMUM AND
0.823 INCHES MAXIMUM
GRIP DIAMETER0.2490 INCHES MINIMUM AND
0.2495 INCHES MAXIMUM


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