- Thread Class
- 3A
- Thread Direction
- Right-hand
- Thread Length
- 1.016 inches minimum and 1.066 inches maximum
- Fastener Length
- 2.479 inches nominal
- Head Style
- Dished hexagon
- Head Height
- 0.375 inches minimum and 0.390 inches maximum
- Width Between Flats
- 1.052 inches minimum and 1.064 inches maximum
- Grip Diameter
- 0.7485 inches minimum and 0.7490 inches maximum
- Shank Unthreaded Hole Diameter
- 0.141 inches minimum first hole and 0.151 inches maximum first hole
- End Item Identification
- RQ-4A
- Nominal Thread Diameter
- 0.750 inches
- Grip Length
- 1.438 inches nominal
- Thread Quantity per Inch
- 16
- Minimum Tensile Strength
- 160000 pounds per square inch
- Distance from Head Largest Bearing Surface to Shank Hole Center
- 2.639 inches minimum first hole and 2.689 inches maximum first hole
- Surface Finish
- 32.0 microinches bearing surface of head
- Surface Finish
- 32.0 microinches grip
- Surface Finish
- 32.0 microinches threads
- Part Name Assigned BY Controlling Agency
- Bolt, hex head, close tolerance, A286 cres, long threads, nonlocking
- Material
- Iron alloy 660 overall
- Material Document and Classification
- AMS5737 assn std single material response overall
- Surface Treatment
- Passivate overall
- Surface Treatment Document and Classification
- QQ-P-35 fed spec single treatment response overall
- Thread Series Designator
- UNF
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.