QC/T 1263-2025 English PDF - Piston Pin Bore Wire Retaining Rings

Full Standard Name

Automobile engines—Round wire retaining rings for piston pin bore

Standard Details

Sector / Industry Automotive

Standard Type QC/T (Recommended)

Standard Status Valid

Older Standard None

CCS Classification T12

ICS Classification 43.06

Issue Date 2025-12-17

Implementation Date 2026-07-01

File Type PDF

PDF Page Count About 8 pages

Competent Department Ministry of Industry and Information Technology

Quoted Standard GB/T 2828,GB/T 4357,GB/T 18983,JB/T 14615

QC/T 1263-2025 (English Version)

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QC/T 1263-2025 (Chinese Version)

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Standard Introduction

This document specifies the terms and definitions, types and designations of components, technical requirements and test methods, inspection rules, as well as marking, packaging, transportation and storage of wire retainers for piston pin bores of automotive engines (hereinafter referred to as "retainers").

This document applies to round wire retainers for piston pin bores of automotive engines with a nominal diameter ranging from 10 mm to 40 mm.

Standard Catalog

The standard consists of the following main sections:

Foreword
1 Scope
2 Normative References
3 Terms and Definitions
4 Types and Designations of Components
5 Technical Requirements
5.1 General Requirements
5.2 Materials
5.3 Specification Marking
5.4 Surface Treatment
5.5 Surface Quality
5.6 Dimensions and Tolerances
5.7 Radial Clearance
5.8 Distortion
5.9 Elasticity
5.10 Assemblability
5.11 Cleanliness
6 Inspection Rules
7 Marking, Packaging, Transportation and Storage

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