Serving our customers with quality and safety first.
3a
3.470in. and 3.530in. ⁓3-17/32"
flat chamfer
hexagon
0.500in. ⁓1/2"
13
navy special project
special quality control testing
unc
as differentiated by material which must conform to ships parts control center special quality control provisions
Unc
13
Flat chamfer
3a
FSC 5305 ⁓ Screws
unc thread series navy special project 13 thread quantity per inch flat chamfer head style 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. the head has an internal socket or multiple spline for use with an inserted driver. a locking feature may be incorporated in the design of the head or threads. excludes items with bevel (conical) heads. see bolt, internal wrenching. excludes screw, shoulder; and screw, machine.