National Item Identification Number
01-135-5508
011355508
5306-01-135-5508
5306011355508
National Stock Number
Item Name
BOLT,CLOSE TOLERANCE
Federal Supply Class
5306
Description
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.
Commercial and Government Entity Code (Supplier Data)
06725
17446
73197
27624
0ZC92
HEARTLAND PRECISION FASTENERS INC
301 PRAIRIE VILLAGE DR
NEW CENTURY
KS
66031
913-829-4447
58998
FASTENER INNOVATION TECHNOLOGY INC
DBA F.I.T.
14601 S BROADWAY ST
GARDENA
CA
90248
310-538-1111
Reference Numbers (Part Numbers)
AIC753-7D15
BM17019-7D15
BM17019-7D15
KS3020-7D15
MA5453-7D15
MB61-7D15
PB
Required Categories
THREAD SERIES DESIGNATOR
NOMINAL THREAD DIAMETER
THREAD QUANTITY PER INCH
THR
Required Description
UNJF
0.437 INCHES
20
3A
RIGHT-HAND
0.573 INCHES MINIMUM AND
0.640 INCHES M