- Thread Class
- 3A
- Thread Direction
- Right-hand
- Thread Length
- 0.403 inches nominal
- Fastener Length
- 0.638 inches minimum and 0.668 inches maximum
- Head Style
- Flat countersunk
- Head Diameter
- 0.5066 inches nominal
- Head Height
- 0.099 inches nominal
- Grip Diameter
- 0.2641 inches minimum and 0.2651 inches maximum
- Internal Drive Style
- Torque-set ribbed
- End Item Identification
- B1-BACFT
- Nominal Thread Diameter
- 0.2500 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
- Part Name Assigned BY Controlling Agency
- Bolt, shear, 100 deg flush head, offset cruciform, offset cruciform-ribbed and dovetail slot, 95 ksi fsu
- Material
- Titanium overall
- Material Document and Classification
- Ams 4928 or 4967 assn std single material response overall
- Thread Series Designator
- UNJF
- Specification/Standard Data
- 80205-NAS1580 national std/spec
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.