- Thread Class
- 3A
- Thread Direction
- Right-hand
- Thread Length
- 0.629 inches nominal
- Fastener Length
- 2.872 inches minimum and 2.912 inches maximum
- Head Style
- Hexagon
- Head Height
- 0.265 inches minimum and 0.297 inches maximum
- Width Between Flats
- 0.740 inches minimum and 0.752 inches maximum
- Shoulder Diameter
- 0.495 inches minimum first shoulder and 0.499 inches maximum first shoulder
- Shoulder Length
- 2.260 inches minimum first shoulder and 2.280 inches maximum first shoulder
- Shank Unthreaded Hole Diameter
- 0.106 inches nominal concentric hole
- End Item Identification
- C-17A aircraft
- Nominal Thread Diameter
- 0.4375 inches
- Thread Quantity per Inch
- 20
- Minimum Tensile Strength
- 160000 pounds per square inch
- Distance from Head Largest Bearing Surface to Shank Hole Center
- 1.938 inches nominal all holes
- Shoulder Shape
- Round first shoulder
- Part Name Assigned BY Controlling Agency
- Bolt, shoulder-hexagon head, A286
- Material
- Iron alloy 660 overall
- Material Document and Classification
- Ams 5731 assn std single material response overall or ams 5737 assn std single material response overall
- Surface Treatment
- Chromium primary washer
- Surface Treatment
- Chromium grip
- Surface Treatment
- Passivate overall
- Surface Treatment Document and Classification
- QQ-P-35 fed spec single treatment response overall
- Surface Treatment Document and Classification
- QQ-C-320, class 2, type 1 fed spec single treatment response grip
- Surface Treatment Document and Classification
- QQ-C-320, class 2, type 1 fed spec single treatment response primary washer
- Thread Series Designator
- UNJF
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.