- Thread Class
- 3A
- Thread Direction
- Right-hand
- Thread Length
- 0.663 inches minimum and 0.713 inches maximum
- Fastener Length
- 2.047 inches minimum and 2.077 inches maximum
- Head Style
- Bevel-conical
- Head Diameter
- 0.615 inches minimum and 0.625 inches maximum
- Head Height
- 0.343 inches nominal
- Internal Drive Style
- Hexagon
- Nominal Thread Diameter
- 0.375 inches
- Width Across Flats
- 0.375 inches minimum and 0.378 inches maximum
- Thread Quantity per Inch
- 24
- Minimum Tensile Strength
- 160000 pounds per square inch
- Material
- Steel comp E4340 overall or steel comp 8740 overall or steel comp 6150 overall or steel comp 3140 overall or steel comp 3135 overall
- Material Document and Classification
- MIL-S-5000 mil spec 1ST material response overall or MIL-S-6049 mil spec 2ND material response overall or MIL-S-8503 mil spec 3RD material response overall or QQ-S-634 fed spec 4TH material response overall or QQ-S-624 fed spec 5TH material response overall
- Surface Treatment
- Cadmium overall and chromate overall
- Surface Treatment Document and Classification
- QQ-P-416 ty 2 cl 3 fed spec single treatment response overall
- Thread Series Designator
- UNJF
- Specification/Standard Data
- 80205-NAS146 professional/industrial association standard
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.