- Thread Class
- 3A
- Thread Direction
- Right-hand
- Fastener Length
- 1.010 inches minimum and 1.030 inches maximum
- Head Height
- 0.059 inches minimum and 0.069 inches maximum
- Width Between Flats
- 0.092 inches minimum and 0.097 inches maximum
- Shank Diameter
- 0.249 inches minimum and 0.250 inches maximum
- Shank Style
- Pin-rivet, straight, threaded
- Head Major Diameter
- 0.387 inches minimum and 0.412 inches maximum
- Lubrication
- Cetyl alcohol
- Grip Length
- 0.620 inches minimum and 0.630 inches maximum
- Nominal Thread Size
- 0.250 inches
- Shear Strength
- 12260 double pounds per square inch
- Material
- Steel comp 431 overall
- Material Document and Classification
- MIL-S-18732 mil spec 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.