- Fastener Length
- 0.500 inches nominal
- Head Style
- Undersized oval countersunk
- Head Height
- 0.004 inches minimum and 0.006 inches maximum
- Shank Diameter
- 0.249 inches minimum and 0.252 inches maximum
- Shank Style
- Straight W/radius chamfered tip
- Head Major Diameter
- 0.390 inches minimum and 0.395 inches maximum
- Head Minor Diameter
- 0.316 inches minimum and 0.326 inches maximum
- Countersink Height
- 0.060 inches nominal
- End Item Identification
- A-10 aircraft
- Countersink Angle
- 99.5 degrees minimum and 100.5 degrees maximum
- Material
- Aluminum alloy 2017 overall
- Surface Treatment
- Chromate overall
- Surface Treatment Document and Classification
- MIL-C-5541 class 1A yellow mil spec single treatment response overall
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.