- Thread Class
- 3A
- Thread Direction
- Right-hand
- Thread Length
- 0.578 inches nominal
- Fastener Length
- 4.563 inches minimum and 4.593 inches maximum
- Head Style
- Hexagon
- Head Height
- 0.173 inches minimum and 0.203 inches maximum
- Width Between Flats
- 0.554 inches minimum and 0.564 inches maximum
- Grip Diameter
- 0.3735 inches minimum and 0.3745 inches maximum
- End Item Identification
- Target radar system
- Nominal Thread Diameter
- 0.3750 inches
- Grip Length
- 3.990 inches minimum and 4.010 inches maximum
- Thread Quantity per Inch
- 24
- Special Features
- Per MIL-H-6875, heat treatment will be 160-180 ksi ftu; 95 ksi minimum ultimate shear
- Material
- Steel comp 4140 overall
- Material Document and Classification
- MIL-S-5626 mil spec single material response overall
- Surface Treatment
- Cadmium overall
- Surface Treatment Document and Classification
- QQ-P-416, type ii, class 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.