Bolts and Screws, Steel, Low Alloy Heat Treated, Roll Threaded
AS7452A
This procurement specification covers aircraft quality bolts and screws made from a low alloy steel of the type identified under the Unified Numbering System as UNS G87400, and of a series of room temperature tensile strengths ranging from 125 000 to 185 000 psi.
Rationale:
Revise paragraph 2.2 to add definitions, update paragraph 3.6 by adding “two to” three threads in agreement with NASM1312 test methodology. Revise sampling plans to show C=0 , and general updating for SAE formatting requirements.
