SAE AS4726A-2017 PDF

Scope: Type: This specification establishes the requirements for self-locking nuts@ wrenching type (i.e.@ hexagon@ double hexagon@ and spline drive)@ made of a corrosion and heat resistant steel of the type identified under the Unified Numbering System as UNS S66286. Classification: a. 220 ksi minimum tensile strength at room temperature b. 850 ??maximum test temperature of parts. Application: Primarily for use in aerospace propulsion systems in temperatures up to approximately 850 ??where nuts are used with bolts capable of developing 220 ksi axial tensile strength at room temperature@ and having UNJ thread form.

SAE AS4726A-2017 history

2017 SAE AS4726A-2017 Nuts@ Self-Locking@ UNS S66286 Classification: 220 ksi/850 °F Procurement Specification
2006 SAE AS4726-2006 Nuts, Self-Locking, UNS S66286 Classification: 220 ksi/850 °F Procurement Specification
1995 SAE AS4726-1995 Nuts, Self-Locking, UNS S66286 Classification: 220 ksi/850 Degrees F Procurement Specification Superseding AS 1371; FSC 5310
1957 SAE AS4726-2-1957 AS4726 Assy. of Filter Bowl