- Thread Class
- Y3A
- Thread Direction
- Right-hand
- Thread Length
- 0.454 inches nominal
- Fastener Length
- 1.204 inches nominal
- Head Style
- Dished hexagon
- Head Height
- 0.188 inches nominal
- Width Between Flats
- 0.554 inches minimum and 0.564 inches maximum
- Hole Diameter
- 0.070 inches minimum and 0.080 inches maximum
- Grip Diameter
- 0.3740 inches minimum and 0.3745 inches maximum
- End Item Identification
- C-5 reliability enhancement re-engining program
- Nominal Thread Diameter
- 0.3750 inches
- Grip Length
- 0.750 inches nominal
- Thread Quantity per Inch
- E24
- Surface Finish
- 32.0 microinches bearing surface of head
- Part Name Assigned BY Controlling Agency
- Bolt, tension, hex head, close tolerance, A286 cres, short thread, reduced major thread dia, 160 ksi ftu
- Material
- Steel corrosion resisting overall
- Material Document and Classification
- AMS5731 assn std single material response or AMS5732 assn std single material response or AMS5737 assn std single material response or AMS5853 assn std single material response overall
- Surface Treatment
- Passivate overall
- Surface Treatment Document and Classification
- Ams 2700, method 1, type 2 or type 8, class 1 assn std 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.