Serving our customers with quality and safety first.
3a
RIGHT-Hand
0.250in. ⁓1/4"
0.220in. and 0.250in. ⁓1/4"
flat chamfer
0.154in. and 0.161in.
0.095in. and 0.099in. ⁓7/64"
0.099in. (UTS #3)
0.0781in. and 0.0791in. ⁓3/32"
56
180000 pounds per square inch
navy special project
steel uns K03104
astm assn std single material response
oxide
MIL-C-13924 cl 1 mil spec single treatment response
unrf
80205-NAS1351 professional/industrial association standard
Unrf
Oxide
56
Flat chamfer
0.250 inches maximum
Right-hand
3a
Schedule B number: 7318152000
nmfc 133300
Bolts and bolts and their nuts or washers exported in the same shipment
FSC 5305 ⁓ Screws
unrf thread series oxide screw surface treated navy special project 56 thread quantity per inch flat chamfer head style 0.250" thread length right-hand 3a thread class
Nothing similar to this part number was found in our inventory
An externally threaded fastener whose threaded portion is of one nominal diameter, no 0 (0.060 in./1.5 mm) or larger, designed to be held or driven with either a wrench or an inserted driver or both (excluding internal socket or internal multiple spline types), in sizes below no. 10 (0.190 in./5 mm). no. 10 and larger sizes must have a head designed for any type inserted driver (excluding internal socket or internal multiple spline types), but may also be designed for external wrenching. a locking feature may be incorporated in the design of the head or threads. excludes bolt, clevis; bolt, externally relieved body; screw, externally relieved body; and screw, assembled washer. see also, screw, instrument; bolt, machine; bolt, internal wrenching; and screw, cap socket head.