National Item Identification Number
00-288-2296
National Stock Number
Item Name
BOLT,SHEAR
Federal Supply Class
5306
Description
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.
Commercial and Government Entity Code (Supplier Data)
06725
C4293
R1120
73197
0JV78
J M PRECISION INC
9722 TOPANGA CANYON BLVD
CHATSWORTH
CA
91311
818-718-7370
0PTK6
SPS TECHNOLOGIES INC
5195 W 4700 S
SALT LAKE CITY
UT
84118
215-572-3331
06710
17446
27624
Reference Numbers (Part Numbers)
AIC752-4-7
BM3326-4-7
MB84-4-7
MB84-4-7
MB84-4-7
ST3M571-4-7
ST3M571-4-7;
Required Categories
THREAD SERIES DESIGNATOR
NOMINAL THREAD DIAMETER
THREAD QUANTITY PER INCH
THR
Required Description
UNJF
0.250 INCHES
28
3A
RIGHT-HAND
0.393 INCHES MINIMUM AND
0.443 INCHES M