- Thread Class
- 3A
- Thread Direction
- Right-hand
- Fastener Length
- 0.697 inches minimum and 0.717 inches maximum
- Head Height
- 0.077 inches minimum and 0.090 inches maximum
- Width Between Flats
- 0.095 inches minimum and 0.097 inches maximum
- Shank Diameter
- 0.2490 inches minimum and 0.2495 inches maximum
- Shank Style
- Pin-rivet, straight, threaded
- Head Major Diameter
- 0.415 inches minimum and 0.440 inches maximum
- Lubrication
- Cetyl alcohol
- Grip Length
- 0.317 inches maximum
- Thread Quantity per Inch
- 28
- Minimum Tensile Strength
- 160000 pounds per square inch
- Nominal Thread Size
- 0.250 inches
- Shear Strength
- 95000 single pounds per square inch
- Material
- Iron alloy 660 overall
- Material Document and Classification
- Ams 5737 assn std single material response or ams 5731 assn std single material response overall
- Surface Treatment
- Passivate overall
- Surface Treatment Document and Classification
- 258, fscm 73197 mfr ref 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.