IS 13283 : 1991 Aerospace - Self locking, Hexagon nuts (MJ Sereis) Stregnth classificaion 1100 MPa - Maximum operating temperture 425 Deg C - Specification

1 Scope

1.1 This standard specifies the requirements for hexagonself-locking nuts of strength classification 1 100 MPa and maximumoperating temperature not exceeding 425�C. Theself-locking feature is obtained by out-of-round formation of theupper portion.

2 References

IS 10980 : Part 1 :1984 Aerospace bolts and nuts (MJ threads):Part 1 Basic profile

IS 10980 : Part 2 :1984 Aerospace bolts and nuts (MJ threads):Part 2 Dimensions for bolts and nuts