These pins and collars are intended for structural applications requiring high performance and high strength permanent type fasteners in aerospace (structures) vehicles and associated accessories
Purpose. This specification establishes the requirements for pull-type and stump-type, flush and protruding head, swage locking pins and collars of various materials for use as permanent attachment fasteners.
Classification. The swage locking pins and collars covered by this specification shall be of the types, sizes and materials designated by the part numbers specified on the applicable NAS standards.
