- Thread Class
- 3A
- Thread Direction
- Right-hand
- Thread Length
- 0.875 inches maximum
- Fastener Length
- 0.875 inches maximum
- Head Style
- Flat chamfer
- Head Diameter
- 0.365 inches minimum and 0.375 inches maximum
- Head Height
- 0.244 inches minimum and 0.250 inches maximum
- Internal Drive Style
- Hexagon
- Nominal Thread Diameter
- 0.250 inches
- Width Across Flats
- 0.188 inches minimum and 0.190 inches maximum
- Thread Quantity per Inch
- 20
- Minimum Tensile Strength
- 80000 pounds per square inch
- Hardness Rating
- 80.0 rockwell B minimum overall
- Minimum Yield Strength
- 30000 pounds per square inch
- Material
- Steel comp 304 overall
- Material Document and Classification
- QQ-S-763 fed spec single material response overall
- Surface Treatment
- Passivate overall
- Test Data Document
- 81348-FFS86 specification (includes engineering type bulletins, brochures, etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "nominal", etc.). or 96906-MS16995-51 standard (includes industry or association standards, individual manufactureer standards, etc.).
- Thread Series Designator
- UNC
- Nondefinitive Spec/STD Data
- 6 type
- Departure from Cited Document
- As modified by material
- Departure from Cited Designator
- As modified by condition a
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.