- Thread Class
- 3A
- Thread Direction
- Right-hand
- Thread Length
- 0.470 inches minimum and 0.500 inches maximum
- Fastener Length
- 0.470 inches minimum and 0.500 inches maximum
- Head Style
- Undercut pan no. 2
- Head Diameter
- 0.303 inches minimum and 0.312 inches maximum
- Head Height
- 0.185 inches minimum and 0.190 inches maximum
- Internal Drive Style
- Hexagon
- Nominal Thread Diameter
- 0.1900 inches
- Width Across Flats
- 0.156 inches nominal
- Thread Quantity per Inch
- 24
- Part Name Assigned BY Controlling Agency
- Screw, cap, socket head, undrilled or drilled, plain and self-locking, alloy steel, corrosion-resistant steel and heat-resistant steel, UNRC-3A and UNRC-2A
- Material
- Steel corrosion resisting overall
- Material Document and Classification
- FF-S-86 fed spec single material response overall
- Surface Treatment
- Passivate overall
- Surface Treatment Document and Classification
- AMS2700, method 1, type 6 or type 7, class 1 national std single treatment response overall
- Thread Series Designator
- UNRC
- Specification/Standard Data
- 80205-NAS1352 national std/spec
Catalogue data is compiled from public DLA/FLIS sources and is provided for
identification. Availability, condition and certification are confirmed on
quotation. OmniSynk Distribution Services is a stocking distributor.