- Thread Class
- 3A
- Thread Direction
- Right-hand
- Thread Length
- 0.338 inches nominal
- Fastener Length
- 0.573 inches minimum and 0.603 inches maximum
- Head Style
- Fillister countersunk
- Head Diameter
- 0.2083 inches minimum
- Head Height
- 0.042 inches nominal
- Grip Diameter
- 0.1625 inches minimum and 0.1635 inches maximum
- Nominal Thread Diameter
- 0.1640 inches
- Grip Length
- 0.240 inches minimum and 0.260 inches maximum
- Thread Quantity per Inch
- 32
- Minimum Tensile Strength
- 180000 pounds per square inch
- Countersink Angle
- 99.0 degrees minimum and 101.0 degrees maximum
- Part Name Assigned BY Controlling Agency
- Bolt, flat, 100 deg reduced head, offset cruciform, 108 ksi fsu
- Special Features
- Material - A286 (uns S66286) per AMS5731, AMS5732, AMS5737 or AMS5853 except heat treat to 180 ksi min. finish - clean and passivate per AMS2700 method 1, class 4. T = offset cruciform recess per NASM33781. cres: 180-210 ksi ftu. double shear strength: 4600.00 lbf min. P = aluminum coat per NAS4006, no class.
- Material
- Steel corrosion resisting overall
- Material Document and Classification
- AMS5731 international std/spec all material responses or AMS5732 international std/spec all material responses or AMS5737 international std/spec all material responses overall
- Surface Treatment
- Passivate and aluminum overall
- Surface Treatment Document and Classification
- AMS-QQ-P-416, type ii, class 2 international std/spec all treatment responses and NAS4006 international std/spec all treatment responses overall
- Thread Series Designator
- UNJC
- Specification/Standard Data
- 80205-NAS1992 thru NAS2000 professional/industrial association standard
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.