AIA/NAS NAS 1504-1981 (Rev. 6)160,000psi短螺纹合金钢高扭矩槽100度埋头螺栓 [代替: AIA/NAS NAS 380, AIA/NAS NAS 380, AIA/NAS NAS 1790]
Bolt, 100 Degree Flush Head Hi-Torque Recess, Short Thread Alloy Steel, 160,000 psi; (Rev. 6) [Use: AIA/NAS NAS 380, AIA/NAS NAS 380, AIA/NAS NAS 1790]