- Thread Class
- 3A
- Thread Direction
- Right-hand
- Fastener Length
- 1.127 inches minimum and 1.147 inches maximum
- Head Height
- 0.045 inches minimum and 0.055 inches maximum
- Width Between Flats
- 0.0791 inches minimum and 0.0806 inches maximum
- Shank Diameter
- 0.2172 inches minimum and 0.2182 inches maximum
- Shank Style
- Pin-rivet, straight, threaded
- Head Major Diameter
- 0.295 inches minimum and 0.315 inches maximum
- Lubrication
- Cetyl alcohol
- End Item Identification
- W/s: aircraft, stratofortress B-52; aircraft, stratolifter C-135
- Grip Length
- 0.817 inches maximum
- Thread Quantity per Inch
- 32
- Minimum Tensile Strength
- 160000 pounds per square inch
- Nominal Thread Size
- 0.190 inches
- Material
- Steel comp E4340 or steel comp 4340 or steel comp 4140 or steel comp 8740 overall
- Material Document and Classification
- MIL-S-5000 mil spec 1ST material response or MIL-S-5000 mil spec 2ND material response or MIL-S-5626 mil spec 3RD material response or MIL-S-6049 mil spec 4TH material response overall
- Surface Treatment
- Cadmium overall
- Surface Treatment Document and Classification
- QQ-P-416, ty 2, cl 3 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.