- Thread Class
- 3A
- Thread Direction
- Right-hand
- Thread Length
- 0.410 inches minimum and 0.440 inches maximum
- Fastener Length
- 0.660 inches minimum and 0.690 inches maximum
- Head Style
- Fillister countersunk
- Head Diameter
- 0.265 inches minimum and 0.272 inches maximum
- Head Height
- 0.057 inches nominal
- Grip Diameter
- 0.2646 inches minimum and 0.2651 inches maximum
- End Item Identification
- F/A-18 aircraft
- Nominal Thread Diameter
- 0.250 inches
- Grip Length
- 0.240 inches minimum and 0.260 inches maximum
- Thread Quantity per Inch
- 28
- Countersink Angle
- 99.0 degrees minimum and 101.0 degrees maximum
- Criticality Code Justification
- AGAV
- Part Name Assigned BY Controlling Agency
- Bolt, 100 deg reduced head, gear drive recess, inconel 718 (125 ksi shear), 0.0156 inch oversize
- Special Features
- Internal drive recess per nas 1800
- Material
- Nickel alloy 718 overall
- Material Document and Classification
- Ams 5662 assn std single material response overall
- Surface Treatment
- Passivate overall
- Surface Treatment Document and Classification
- MIL-L-87132, ty 1, gr B mil spec single treatment response overall
- Supplementary Features
- 0.076 inch dia cotter pin hole at the tip of the bolt 0.106 inch from the end
- 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.