Aeronautical Standards Group - BOLT - AN175-20
Genuine OEM Part
Description: BOLT, MACHINE BOLT
Part number: AN175-20
Bolt Series: AN175
Aeronautical Standards BOLT
AN175 Close tolerance bolts. Non-corrosion-resistant, steel, machine bolts; cadmium-plated. Available with or without single hole through shank and/or through head. Examples of part numbers for a bolt having a diameter of 1/4
AN175-17 FEATURES AND SPECIFICATIONS
| Thread Class | 3A | |
| Thread Direction | Right-hand | |
| Thread Length | 0.532 inches nominal | |
| Fastener Length | 2.094 inches nominal | |
| Head Style | Hexagon | |
| Head Height | 0.172 inches minimum and 0.204 inches maximum | |
| Width Between Flats | 0.490 inches minimum and 0.502 inches maximum | |
| Grip Diameter | 0.3112 inches minimum and 0.3117 inches maximum | |
| Shank Unthreaded Hole Diameter | 0.076 inches nominal first hole | |
| Nominal Thread Diameter | 0.312 inches | |
| Grip Length | 1.562 inches nominal | |
| Thread Quantity per Inch | 24 | |
| Minimum Tensile Strength | 125000 pounds per square inch | |
| Hardness Rating | 26.0 rockwell C minimum overall and 32.0 rockwell C maximum overall | |
| Distance from Head Largest Bearing Surface to Shank Hole Center | 1.921 inches nominal first hole | |
| Surface Finish | 63.0 microinches bearing surface of head | |
| Surface Finish | 63.0 microinches grip | |
| Material | Steel comp 8740 overall or steel comp 8630 overall or steel comp 8735 overall or steel comp 4140 overall or steel comp 4130 overall or steel comp 4037 overall | |
| Material Document and Classification | MIL-S-6049 mil spec 1ST material response overall or MIL-S-6050 mil spec 2ND material response overall or MIL-S-6098 mil spec 3RD material response overall or MIL-S-5626 mil spec 4TH material response overall or MIL-S-6758 mil spec 5TH material response overall or ams 6300 assn std 6TH material response overall | |
| Surface Treatment | Cadmium overall and chromate overall | |
| Surface Treatment Document and Classification | QQ-P-416, ty 2, cl 3 fed spec all treatment responses overall | |
| Thread Series Designator | UNF |
Between AirParts' branded hardware products, and our Seller's hardware offerings, we have hundreds of thousands of hardware parts in stock.