NA 131
DIN Standards Committee Aerospace
Project
Aerospace series - Inserts, helical coil threads, screw-locking - Part 1: Class: 1 100 MPa/235 °C/425 °C; Text in German and English
Abstract
This document is applicable to screw-locking thread inserts for the manufacturing of high-strength, wear-resistant, high-duty, vibration-proof and exchangeable bolted connections in metallic and non-metallic materials and for repairing stripped or damaged threads. The thread inserts are applicable for bolts having ISO metric threads or MJ threads (see Table 1). Thread inserts with surface treatment according to code letter A are suitable for use at temperatures up to 235 °C.
Begin
2022-05-13
Planned document number
LN 9499-1
Project number
13116628
Responsible national committee
NA 131-03-01 AA - Aerospace fasteners