Serving our customers with quality and safety first.
3a
RIGHT-Hand
0.277in. and 0.328in. ⁓21/64"
2.168in. and 2.188in. ⁓2-13/64"
crowned hexagon
0.126in. and 0.141in. ⁓9/64"
0.430in. and 0.439in.
0.2485in. and 0.2495in.
0.081in. first hole
slot
0.250in. ⁓1/4"
1.750in. and 1.766in.
28
180000 pounds per square inch
39.0 rockwell c and 45.0 rockwell c
2.091in. first hole
63.0 microinches bearing surface of head
63.0 microinches grip
navy special project
retaining balls in shank
steel comp 8740
MIL-S-6049 mil spec single material response
cadmium and chromate
QQ-P-416, ty 2 cl 3 fed spec single treatment response
unjf
Unjf
Steel comp 8740
28
1.750 inches minimum and 1.766 inches maximum
Crowned hexagon
0.277 inches minimum and 0.328 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 5305 ⁓ Screws
unjf thread series cadmium surface treated retaining balls in shank navy special project 28 thread quantity per inch 1.750" grip length crowned hexagon head style 0.277" thread length right-hand 3a thread class
1. | AS108-04-28 | Cage 84256 |
2. | VP1119-4-28 | Cage 92215 |
3. | CA2630-0428 | Cage 29372 |
4. | GB511AE4-28 | Cage 26512 |
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.