Serving our customers with quality and safety first.
3a
RIGHT-Hand
0.395in. and 0.505in. ⁓33/64"
0.495in. and 0.505in. ⁓33/64"
flat chamfer
0.365in. and 0.375in.
0.244in. and 0.250in. ⁓1/4"
hexagon
0.250in. ⁓1/4"
0.188in. ⁓13/64"
20
nickel alloy 400
QQ-N-281 class a fed spec single material response
unc
6 type
1EA
Unc
Nickel alloy 400
20
Flat chamfer
0.395 inches minimum and 0.505 inches maximum
Right-hand
3a
Schedule B number: 7508900000
nmfc 139820
Other articles of nickel (excluding cloth, grill & netting of nickel wire)
FSC 5305 ⁓ Screws
unc thread series 20 thread quantity per inch flat chamfer head style 0.395" thread length right-hand 3a thread class
1. | FF-S-86 | Cage 81348 |
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.