GOST R 50249-1992
Mechanical pencils. Part 2. Black leads. Classification and dimensions

Standard No.

GOST R 50249-1992

Release Date

1992

Published By

RU-GOST R

Latest

GOST R 50249-1992

Scope

The standard specifies the classification and sizes of black leads for mechanical pencils. Two types of leads are used: polymer - "P"

GOST R 50249-1992 Referenced Document

• GOST 2.303-1968 Unified system for design documentation. Lines
• GOST 2.305-1968 Unified system for design documentation. Image - appearance, sections
• GOST 2.306-1968 Unified system for design documentation. Graphical designations of materials and rules for their representation
• GOST R 50250-1992 Mechanical pencils. Part 1. Glassifications, dimensions, performance requirements and testing

GOST R 50249-1992 history

• 1992 GOST R 50249-1992 Mechanical pencils. Part 2. Black leads. Classification and dimensions