Serving our customers with quality and safety first.
3a
RIGHT-Hand
0.403in. ⁓13/32"
0.715in. ⁓23/32"
flat countersunk
0.4421in. and 0.5260in.
0.155in.
0.2485in. and 0.2495in.
0.240in.
flat
torx
naval air
0.250in. ⁓1/4"
0.312in.
28
129.0 degrees and 131.0 degrees
125.0 microinches grip
screw, shear, 130 deg flush head, close tolerance, NAS1800 six lobe recess, 95 ksi fsu
item furnished w/aluminum pigmented coating iaw NAS4006 w/cetyl alcohol lubricant iaw AS87132, ty iii, gr b
titanium alloy uns R56400
6AL-4V iaw AMS4928 or AMS4967 assn std single material response
unjf
1EA
Unjf
Titanium alloy uns r56400
28
0.312 inches
Flat countersunk
0.403 inches
Right-hand
3a
Schedule B number: 8108908000
nmfc 096640
Other wrought titanium
FSC 5305 ⁓ Screws
Used on naval air. unjf thread series item furnished w/aluminum pigmented coating iaw NAS4006 w/cetyl alcohol lubricant iaw AS87132, ty iii, gr b screw, shear, 130 deg flush head, close tolerance, NAS1800 six lobe recess, 95 ksi fsu 28 thread quantity per inch 0.312" grip length flat countersunk head style 0.403" 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.