Type:This procurement specification covers alrcraft quality bolts and screws madefrom a low alloy steel of the type I d e n t i f l e d under the U n i f i e d NumberingSystem ar UNS G87400, and of a s e r i e s of room temperature tensfle strengthsranging from 125 O00 to 185 O00 p s i .i .2 Appl icafion:Prlmarily for aerospace propulsion system applications where good strengthis required and the part i s protected against corrosion.1.3 Safety - Hazardous Materlals:While the mate~lals, rnethcds, a p p l i r ? t l m s , 2nd prxesses described orreferenced I n t h i s s p e c t f l c a t i o n may Involve the use of hazardous materials,this specification does not address the hazards which may be involved i nsuch use.wlth the safe and proper use of any hazardous materiais and to takenecessary precautionary measure5 to ensure the health and safety of a l lpersonnel involved.