SAE AS 478P pdf download – Identification Marking Methods

SAE AS 478P pdf download – Identification Marking Methods
1. SCOPE
This standard provides the following:
a. Definition of terms pertaining to marking.b. Symbols for marking location.
c. Requirements and restrictions for permanent markings.d. Types of marking methods.
e. Rules for designating marking methods.f.Table listing marking methods.
1.1 Purpose
To define and control marking methods, and to provide a method for specifying desired marking methods on aerospaceengineering drawings of parts and assemblies.
2. REFERENCES
2.1 Applicable Documents
The following publications form a part of this document to the extent specified herein. The latest issue of SAE publicationsshall apply.The applicable issue of other publications shall be the issue in effect on the date of the purchase order. In theevent of conflict between the text of this document and references cited herein, the text of this document takes precedence.Nothing in this document, however, supersedes applicable laws and regulations unless a specific exemption has beenobtained.
2.1.1 U.S.Government Publications
Copies of these documents are available online at http://quicksearch.dla.mil.MIL-HDBK-57Listing of Fastener Manufacturers’ ldentification SymbolsH4/H8
Commercial and Government Entity (CAGE) Codes
2.1.2ANSI Accredited Publications
Copies of these documents are available online at http:/webstore.ansi.orgl.ANSI INCITS 17 Character Set for Optical Character Recognition (OCR-A)ANSI INCITS 93M Character Positioning for Optical Character Recognition(OCR)2.2Definitions
For the purpose of this standard, the following definitions shall apply:2.2.1 CONTRACTOR
Any individual, company, partnership, association, or corporation holding a contract or letter of intent to supply items forwhich this standard is specified.
2.2.2IDENTIFICATION
Any marking applied to an item or its package for the purpose of engineering, manufacturing, or inspection control.Examples are:
a. ltem numberb. Vendor number
c. Manufacturer’s identificationd. Inspection symbols
2.2.2.1 MANUFACTURER’S IDENTIFICATION
The actual manufacturer’s name, registered trademark, or the identification symbol listed in MIL-HDBK-57, or the CAGEcode identification established in Cataloging Handbooks H4/H8,or as otherwise specified.
2.2.3 ITEM
An article,used in this standard to relate to a part, assembly, or equipment.2.2.4 PACKAGE
The smallest enclosure into which an item(s) is placed for protection during storage or shipment.2.2.5 PERMANENT MARKING
Marking which will ensure identification during the normal service life of the item. Methods of permanent marking are listedin 4.1.
2.2.6TEMPORARY MARKING
Marking which will ensure identification during ordinary handling and storage of items prior to assembly and use. Undercertain service conditions these markings may exhibit the characteristics of permanent markings. Temporary markingmethods are listed in 4.2.
2.2.7OPTICAL CHARACTER RECOGNITION
An automatic data entry system that utilizes predefined human readable shaped alphanumeric character fonts which canbe read by automatic scanning equipment.
3. GENERAL REQUIREMENTS
ltems shall be marked in accordance with this standard unless otherwise specified on the item drawing. The method ofmarking shall be designated as shown in 6.1.
3.1Marking Location
Location of marking on items shall be in accordance with the following as applicable:3.1.1 General
The symbol as shown in Figure 1, or a local note, indicates general location for marking.