- Thread Class
- 3A
- Thread Direction
- Right-hand
- Thread Length
- 0.320 inches minimum and 0.370 inches maximum
- Fastener Length
- 0.518 inches minimum and 0.548 inches maximum
- Head Style
- PAN
- Head Diameter
- 0.289 inches minimum and 0.322 inches maximum
- Head Height
- 0.105 inches minimum and 0.115 inches maximum
- Grip Diameter
- 0.1625 inches minimum and 0.1635 inches maximum
- Internal Drive Style
- Cross recess type 1
- End Item Identification
- Aircraft, stratolifter C-135
- Nominal Thread Diameter
- 0.164 inches
- Grip Length
- 0.178 inches minimum and 0.198 inches maximum
- Thread Quantity per Inch
- 32
- Surface Finish
- 32.0 microinches bearing surface of head
- Surface Finish
- 32.0 microinches grip
- Surface Finish
- 32.0 microinches threads
- Material
- Iron alloy 660 overall
- Material Document and Classification
- Ams 5737 assn std single material response overall
- Surface Treatment
- Chromate overall and cadmium overall
- Surface Treatment Document and Classification
- QQ-P-416 ty 2 cl 3 fed spec single treatment response overall
- Thread Series Designator
- UNJC
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.