Serving our customers with quality and safety first.
3a
RIGHT-Hand
0.845in. ⁓55/64"
2.407in. ⁓2-27/64"
spline extended washer
0.393in. ⁓13/32"
0.807in. and 0.817in.
0.063in.
0.4365in. and 0.4370in.
0.485in. and 0.500in.
C-17A aircraft
0.438in. ⁓29/64"
1.568in.
20
220000 pounds per square inch
125000 pounds per square inch
32.0 microinches bearing surface of head
32.0 microinches grip
bolt, TENSION-Spline drive, inconel 718, 220-255 ksi ftu
nickel alloy 718
ams 5662 assn std single material response
passivate
QQ-P-35 fed spec single treatment response
unjf
1EA
Unjf
Nickel alloy 718
20
1.568 inches minimum
Spline extended washer
0.845 inches maximum
Right-hand
3a
Schedule B number: 7508900000
Other articles of nickel (excluding cloth, grill & netting of nickel wire)
FSC 5306 ⁓ Bolts
Used on c-17a aircraft. unjf thread series passivate surface treated bolt, tension-spline drive, inconel 718, 220-255 ksi ftu 20 thread quantity per inch 1.568" grip length spline extended washer head style 0.845" thread length right-hand 3a thread class
1. | PBF1594-7-25 | Cage 27624 |
2. | 84604-7-25 | Cage 56878 |
3. | SLB259-7-25 | Cage 16258 |
4. | 3D0073-7-25 | Cage 88277 |
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.