- Thread Class
- 3A
- Thread Direction
- Right-hand
- Thread Length
- 0.480 inches minimum and 0.500 inches maximum
- Fastener Length
- 1.105 inches minimum and 1.125 inches maximum
- Head Style
- Flat chamfer
- Head Diameter
- 0.543 inches minimum and 0.562 inches maximum
- Head Height
- 0.209 inches nominal
- Shoulder Diameter
- 0.371 inches minimum and 0.373 inches maximum all shoulders
- Shoulder Length
- 0.625 inches nominal all shoulders
- Internal Drive Style
- Hexagon
- End Item Identification
- A4 bradley fighting vehicle
- Nominal Thread Diameter
- 0.3125 inches
- Width Across Flats
- 0.188 inches nominal
- Thread Quantity per Inch
- 18
- Chamfer Angle
- 30.0 degrees minimum and 45.0 degrees maximum
- Shoulder Shape
- Round all shoulders
- Material
- Steel overall
- Material Document and Classification
- Nasm 21472 national std/spec single material response overall
- Surface Treatment
- Zinc overall
- Surface Treatment Document and Classification
- Astm B633, type ii, class fe/zn 5 assn std single treatment response overall
- Thread Series Designator
- UNC
- Specification/Standard Data
- 80205-NAS-51975 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.