Appendix C – Acronyms

ANSI

American National Standards Institute

ASME

American Society of Mechanical Engineering

CAD

computer-aided design

CAM

computer-aided manufacturing

CBN

cubic boron nitride

CMM

coordinate measuring machine

CNC

computer numerical control

CSA

Canadian Standards Association

EDM

Electrical Discharge Machine

GDT

geometric dimensioning and tolerancing

HSS

high speed steel

ISO

International Standards Organization

MILSPEC

military specifications

MSDS

Material Safety Data Sheet

NPS

National Pipe Straight

NPT

National Pipe Taper

OH&S

Occupational Health and Safety

PC

personal computer

PLC

programmable logic controller

PPE

personal protective equipment

SAE

Society of Automotive Engineers

UNC

Unified National Coarse (a thread system for coarse threads)

UNF

Unified National Fine (a thread system for fine threads)

UNS

Universal Numbering System

WHMIS

Workplace Hazardous Materials Information System