- Thread Class
- 3A
- Thread Direction
- Right-hand
- Thread Length
- 0.6940 inches nominal
- Fastener Length
- 2.0540 inches minimum and 2.0840 inches maximum
- Head Style
- Dished hexagon
- Head Height
- 0.219 inches minimum and 0.234 inches maximum
- Width Between Flats
- 0.678 inches minimum and 0.690 inches maximum
- Grip Diameter
- 0.4516 inches minimum and 0.4526 inches maximum
- End Item Identification
- C-135 stratolifter
- Nominal Thread Diameter
- 0.4375 inches
- Grip Length
- 1.3650 inches minimum and 1.3850 inches maximum
- Thread Quantity per Inch
- 20
- Minimum Tensile Strength
- 160000 pounds per square inch
- Material
- Steel comp E4340 overall or steel comp 8740 overall
- Material Document and Classification
- MIL-S-6049 mil spec 1ST material response overall or AMS6322 assn std 2ND material response overall or AMS6484 assn std 2ND material response overall or AMS6415 assn std 2ND material response overall
- Surface Treatment
- Cadmium overall
- Surface Treatment Document and Classification
- QQ-P-416 ty ii, cl 2 fed spec all treatment responses 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.