Serving our customers with quality and safety first.
3a
RIGHT-Hand
0.386in. and 0.453in. ⁓29/64"
1.771in. and 1.818in. ⁓1-53/64"
flat countersunk
0.447in. and 0.507in.
0.2483in. and 0.2492in.
HIGH-Torque
0.250in. ⁓1/4"
1.365in. and 1.385in.
28
220000 pounds per square inch
46.0 rockwell c and 50.0 rockwell c
99.0 degrees and 101.0 degrees
32.0 microinches grip
navy special project
steel comp H11
ams 6487 assn std single material response
cadmium or cadmium and chromate
nas 672 assn std 1st treatment response or MIL-C-8837 ty 2 cl 2 mil spec 2nd treatment response
unjf
1EA
Unjf
Steel comp h11
28
1.365 inches minimum and 1.385 inches maximum
Flat countersunk
0.386 inches minimum and 0.453 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 or cadmium surface treated navy special project 28 thread quantity per inch 1.365" grip length flat countersunk head style 0.386" thread length right-hand 3a thread class
1. | GB510BC4-22 | Cage 26512 |
2. | H148-4-22 | Cage 17446 |
3. | HT8171-4-22 | Cage 92215 |
4. | H148-4-22 | Cage 97928 |
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.