Serving our customers with quality and safety first.
3a
RIGHT-Hand
0.420in. and 0.430in. ⁓7/16"
0.910in. and 0.940in. ⁓61/64"
flat countersunk
0.385in. and 0.394in.
0.154in. and 0.156in.
0.249in.
0.245in.
flat
torx
aircraft
0.250in. ⁓1/4"
0.490in. and 0.510in.
28
99.0 degrees and 101.0 degrees
bolt, 100 deg reduced head, gear drive recess
125 ksi shear
nickel alloy 718
unjf
1EA
Unjf
Nickel alloy 718
28
0.490 inches minimum and 0.510 inches maximum
Flat countersunk
0.420 inches minimum and 0.430 inches maximum
Right-hand
3a
Schedule B number: 7508900000
nmfc 096640
Other articles of nickel (excluding cloth, grill & netting of nickel wire)
FSC 5305 ⁓ Screws
Used on aircraft. unjf thread series 125 ksi shear bolt, 100 deg reduced head, gear drive recess 28 thread quantity per inch 0.490" grip length flat countersunk head style 0.420" thread length right-hand 3a thread class
1. | TX1027C4-8AF | Cage 80539 |
2. | TX1027C4-8AF | Cage 06725 |
3. | TX1027C4-8AF | Cage 06950 |
4. | TX1027C4-8AF | Cage 27624 |
5. | TX1027C4-8AF | Cage 56878 |
6. | TX1027C4-8AF | Cage 73197 |
7. | TX1027C4-8AF | Cage C4293 |
8. | TX1027C4-8AF | Cage L4528 |
9. | TX1027C4-8AF | Cage 0PTK6 |
10. | TX1027C4-8AF | Cage 17446 |
11. | GS1014C4-8AF | Cage 1EM77 |
12. | 11845C4-8AF | Cage 59563 |
13. | TX1027C4-8AF | Cage 92215 |
14. | WC1170C4-8AF | Cage 60516 |
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.