- Thread Class
- 3A
- Thread Direction
- Right-hand
- Thread Length
- 0.875 inches minimum
- Fastener Length
- 2.500 inches nominal
- Head Style
- Flat chamfer
- 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
- 32
- Material
- Steel comp 302 overall or steel comp 304 overall or steel comp 305 overall or steel comp 316 overall or steel comp 384 overall or steel comp XM-7 overall
- Surface Treatment
- Cadmium overall and chromate overall
- Surface Treatment Document and Classification
- QQ-P-416, TY2, CL2 fed spec single treatment response overall
- Thread Series Designator
- UNRF
- Specification/Standard Data
- 80205-NAS1352 professional/industrial association standard
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.