GB/T 862.1-1987

Active

Lock washers external teeth

外齿锁紧垫圈

Standard Type

GBT

ICS

21.060.30

CCS

J13

Status

Active

Issue Date

1987-02-05

Implementation

1988-02-01

Centralized Committee

中国机械工业联合会

Issuing Authority

中国机械工业联合会

Application Summary AI generated

GB/T 862.1-1987 specifies the dimensions, material, and mechanical properties of external tooth lock washers used to prevent fastener loosening under vibration or dynamic loads. It is applied in mechanical assemblies, automotive, and industrial equipment where a secure, non-slip locking action is required between a nut or bolt head and the mating surface. The standard ensures compatibility with standard bolt sizes and provides testing criteria for elastic and locking performance.

Related Standards

GB/T 62.1-2004 Wing nuts--Round wing GB/T 62.3-2004 Wing nuts--Pressing wing GB/T 62.2-2004 Wing nuts--Square wing GB/T 9074.5-2004 Cross recessed small pan head screw andwasher assemblies with plain washers GB/T 9074.20-2004 Cross recessed hexagon head tapping screw with indentation and washer assemblies with plain washers GB/T 3098.20-2004 Mechanical properties of fasteners--Wing nuts with specified proof torque GB/T 3098.19-2004 Mechanical properties of fasteners--Blind rivets with break pull mandrel GB/T 62.4-2004 Wing nuts--Die-casting wing

Transparency note: The application summary and key sentences on this page were automatically generated by AI from the standard's original text. This content has not been human-verified and should not be used for compliance or regulatory purposes. Always refer to the official standard document from the issuing authority.