Serving our customers with quality and safety first.
3a
RIGHT-Hand
0.400in. and 0.450in. ⁓29/64"
1.285in. and 1.315in. ⁓1-21/64"
dished hexagon
0.125in. and 0.140in. ⁓9/64"
0.430in. and 0.439in.
0.2485in. and 0.2495in.
0.250in. ⁓1/4"
0.865in. and 0.885in.
28
180000 pounds per square inch
32.0 microinches bearing surface of head
32.0 microinches grip
32.0 microinches threads
navy special project
iron alloy 660
ams 5731 assn std single material response or ams 5737 assn std single material response
passivate
QQ-P-35 fed spec single treatment response
unjf
80205-NAS1954 professional/industrial association standard
1EA
Unjf
Iron alloy 660
28
0.865 inches minimum and 0.885 inches maximum
Dished hexagon
0.400 inches minimum and 0.450 inches maximum
Right-hand
3a
Schedule B number: 7318152000
nmfc 093486
Bolts and bolts and their nuts or washers exported in the same shipment
FSC 5306 ⁓ Bolts
unjf thread series passivate surface treated navy special project 28 thread quantity per inch 0.865" grip length dished hexagon head style 0.400" thread length right-hand 3a thread class
Nothing similar to this part number was found in our inventory
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.