NAS380:2016

1 SCOPE
1.1 Purpose
1.2 Classification
2 REFERENCED DOCUMENTS
3 DEFINITIONS
4 GENERAL REQUIREMENTS
4.1 Standard form
4.2 Document number
4.3 Legibility
4.4 Titles
4.5 Classification
4.6 Sheet number
4.7 Approval date
4.8 Copy
4.9 Form of coding
4.10 Disapproved code letters
4.11 Dimensions and tolerances
4.12 Revisions
4.13 Inactivation and cancellation status notes
4.14 Copyright recognition
4.15 Trade names or trade marks
4.16 Patent numbers
4.17 Testing requirements
4.18 Applicable documents
4.19 Custodian
4.20 Abbreviations
4.21 Amendments, notices and supplements
4.22 Reaffirmation
5 DETAIL REQUIREMENTS
5.1 Part standards
5.2 Standard practices
5.3 Design standards
5.4 Specifications
Figure 1 Sample format for standards
Figure 2 Sample format for specifications
Figure 3 Size of symbols to be used on 8 1/2 x 11 masters
Figure 4 size of symbols to be used on 12 3/4 x 16 1/2
          masters
Figure 5 Datum identifying, basic dimension and feature
          control symbols for 8 1/2 x 11 masters
Figure 6 Datum identifying, basic dimension and feature
          control symbols for 12 3/4 x 16 1/2 masters
Figure 7 Feature control symbols incorporating Datum
          references
Figure 8 Third angle projection symbol, 8 1/2 x 11 master
Figure 9 Third angle projection symbol, 12 3/4 x 16 1/2
          master

Defines a means of obtaining uniformity in the preparation and maintenance of National Aerospace Standards prepared in inch systems of units and shall be adhered to insofar as practical.