GB/T 889.1-2015: Prevailing torque type hexagon nuts (with non-metallic insert), style 1

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Scope

This Part of GB/T 889 specifies type sizes, technical conditions and marks of
prevailing torque type hexagon nuts (with non-metallic insert), style 1.
This Standard is applicable to Prevailing torque type hexagon nuts (with non-
metallic insert), style 1 of which thread sizes are M3 ~ M36, performance grades
are 5, 8 and 10, the product grades are A and B. Grade A is used for nuts of
which D ≤ 16 mm; Grade B is used for nuts of which D > 16 mm.
NOTE This kind of nut is equivalent to GB/T 6170 plus the effective torque part.

Basic Data

Standard ID	GB/T 889.1-2015 (GB/T889.1-2015)
Description (Translated English)	Prevailing torque type hexagon nuts (with non-metallic insert), style 1
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	J13
Classification of International Standard	21.060.20
Word Count Estimation	7,788
Date of Issue	2015-12-31
Date of Implementation	2016-04-01
Older Standard (superseded by this standard)	GB/T 889.1-2000
Quoted Standard	GB/T 90.1; GB/T 90.2; GB/T 193; GB/T 1237; GB/T 3098.2; GB/T 3098.9; GB/T 3103.1; GB/T 5267.1; GB/T 5267.2; GB/T 5276; GB/T 5779.2; GB/T 6170; GB/T 9145; GB/T 16938
Adopted Standard	ISO 7040-2012, MOD
Regulation (derived from)	State Standard Announcement 2015 No.43
Issuing agency(ies)	General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary	This standard specifies the type size, technical conditions and marking of type 1 non-metallic insert hexagonal lock nuts. This standard applies to type 1, non-metallic, hexagon lock nuts with thread grades M3 to M36, performance classes 5, 8 and 10 and grades A and B, respectively. Class A for D �� 16 mm grade mother; B level for D �� 16mm of the nut.