- Thread Class
- 3A
- Thread Direction
- Right-hand
- Thread Length
- 0.438 inches nominal
- Fastener Length
- 1.923 inches minimum and 1.953 inches maximum
- Head Style
- Dished hexagon
- Head Height
- 0.156 inches minimum and 0.171 inches maximum
- Width Between Flats
- 0.492 inches minimum and 0.502 inches maximum
- Hole Diameter
- 0.070 inches minimum and 0.080 inches maximum
- Grip Diameter
- 0.3110 inches minimum and 0.3120 inches maximum
- Shank Unthreaded Hole Diameter
- 0.076 inches minimum first hole and 0.086 inches maximum first hole
- End Item Identification
- C5 acft
- Nominal Thread Diameter
- 0.312 inches
- Grip Length
- 1.490 inches minimum and 1.510 inches maximum
- Hole Quantity
- 3
- Hole Type
- Drilled
- Thread Quantity per Inch
- 24
- Minimum Tensile Strength
- 160000 pounds per square inch
- Hole Configuration Style
- Hexagon corners
- Distance from Head Largest Bearing Surface to Shank Hole Center
- 0.756 inches nominal first hole
- Material
- Steel comp 4140 overall or steel comp 4340 overall or steel comp 8740 overall
- Material Document and Classification
- Ams 6349 assn std 1ST material response overall or AMS6484 assn std 2ND material response overall or ams 6415 assn std 2ND material response overall or ams 6322 assn std 3RD material response overall or MIL-S-6049 mil spec 3RD material response overall
- Surface Treatment
- Cadmium overall and chromate overall
- Surface Treatment Document and Classification
- QQ-P-416, type ii, cl 2 fed spec single treatment response overall
- 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.