National Item Identification Number
00-152-5509
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
27624
1EM77
B & B SPECIALTIES INC
DBA G S AEROSPACE DIVISION DIV GS
4321 E LA PALMA AVE
ANAHEIM
CA
92807
714-985-3077
56878
57928
59563
REID PRODUCTS INC
21430 WAALEW RD
APPLE VALLEY
CA
92307
760-240-1355
98897
06710
06950
ALCOA GLOBAL FASTENERS INC
DIV CITY OF INDUSTRY OPERATIONS
13001 TEMPLE AVE
LA PUENTE
CA
91746
805-991-1270
Reference Numbers (Part Numbers)
AIC2264A08D024
BM3210-8A024D
BM3210-8A024D
PBF1042A8D024
STSBG001A08D024
ST
Required Categories
THREAD SERIES DESIGNATOR
NOMINAL THREAD DIAMETER
THREAD QUANTITY PER INCH
THR
Required Description
UNF
0.500 INCHES
20
3A
RIGHT-HAND
0.545 INCHES MINIMUM AND
0.592 INCHES MA