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AN4 — Aircraft Fastener Specs
125 ksi, 3,990 lbs, 2,780 lbs
AN4 aircraft fastener specs reference data. This dataset covers 1 row spanning diameter in from 0.250 to 0.250. Key parameters: tensile allowable lbs 3,990 lbs; hole size nom in 0.251 in; shear allowable lbs 2,780 lbs.
- Ftu Ksi (ksi)
- 125
- Grip Range in
- 0.156-2.000
- Head Style
- Hex
- Hole Size Nom in (in)
- 0.251
- Material
- 4130/8740 Alloy Steel
- Shear Allowable Lbs (lbs)
- 2,780
- Standard
- AN3-AN20 / MIL-Hdbk-5J Table 8.1.2
- Tensile Allowable Lbs (lbs)
- 3,990
- Thread
- 1/4-28 UNF-3A
- Torque Max Inlb (in-lb)
- 70
- Torque Min Inlb (in-lb)
- 50