Serving our customers with quality and safety first.
3a
RIGHT-Hand
0.316in. ⁓21/64"
0.801in. and 0.831in. ⁓27/32"
flat chamfer
0.357in. and 0.375in.
0.133in. and 0.150in. ⁓5/32"
0.064in. ⁓5/64"
0.2485in. and 0.2495in.
offset cruciform (torque set)
0.250in. ⁓1/4"
0.500in.
2
drilled
28
140000 pounds per square inch
248.0 brinell standard and 321.0 brinell standard
round
32.0 microinches bearing surface of head
32.0 microinches grip
32.0 microinches threads
navy special project
iron alloy 660
ams 5735 assn std single material response
passivate
QQ-P-35 fed spec single treatment response
unjf
80205-NAS1124 professional/industrial association standard
1EA
Unjf
Iron alloy 660
28
0.500 inches
0.064 inches
Flat chamfer
0.316 inches minimum
Right-hand
3a
FSC 5305 ⁓ Screws
unjf thread series passivate surface treated navy special project 28 thread quantity per inch 0.500" grip length 0.064" hole diameter flat chamfer head style 0.316" thread length right-hand 3a thread class
Nothing similar to this part number was found in our inventory
A screw, machine or screw, cap, socket head whose unthreaded portion is of specified grip length, plated or unplated, and is machined to a tolerance of one thousandth (0.001 in.) (0.025 mm) or less of a specific diameter for items (1.000 in.) (25 mm) or less in diameter. items over (1.000 in.) (25 mm) in diameter shall have a tolerance of fifteen ten thousandths (0.0015 in.) (0.038 mm) or less. the nominal major diameter of the threads shall be at least one thousandth (0.001 in.) (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 designed to be held or driven with an inserted driver. it is not designed for rotation by the thumb and fingers. a locking feature may be incorporated in the design of the head or threads.