This part specifies the requirements, quality assurance regulations and delivery preparation for all-metal self-locking nuts (hereinafter referred to as "nuts"). This section applies to the manufacture and acceptance of nuts. 2Normative reference documents
QJ 262A-2005 General technical requirements for sheet metal stamping parts
QJ 3079.1A-2011 history
2011QJ 3079.1A-2011 All metal self-locking nuts.Part 1:General specification
1998QJ 3079.1-1998 General specification for all metal self-locking nuts
QJ 3079.1A-2011 All metal self-locking nuts.Part 1:General specification has been changed from QJ 3079.1-1998 General specification for all metal self-locking nuts.