- Thread Class
- 3A
- Thread Direction
- Right-hand
- Thread Length
- 0.735 inches nominal
- Fastener Length
- 2.658 inches minimum and 2.688 inches maximum
- Head Style
- Hexagon
- Head Height
- 0.250 inches nominal
- Width Between Flats
- 0.741 inches minimum and 0.752 inches maximum
- Grip Diameter
- 0.4945 inches minimum and 0.4950 inches maximum
- Nominal Thread Diameter
- 0.500 inches
- Grip Length
- 1.923 inches minimum and 1.953 inches maximum
- Thread Quantity per Inch
- 20
- Material
- Steel comp 4140 overall and steel comp 4340 overall and steel comp E4340 overall and steel comp 8740 overall
- Material Document and Classification
- MIL-S-5626 mil spec 1ST material response overall and AMS6415 assn std 2ND material response overall and MIL-S-5000 mil spec 3RD material response overall and MIL-S-6049 mil spec 4TH material response overall
- Surface Treatment
- Cadmium overall
- Surface Treatment Document and Classification
- QQ-P-416, type ii, CLASS2 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.