GG-S-161/4 Revision D, May 1, 1985
SCALES,DRAFTING:COMBINATION ENGLISH & METRIC MSRMT
Additional Comments: CNCL S/S BY A-A-59269
This specification covers detail requirements for drafting scales graduated in the English and metric systems of measurement.
Scales covered by this specification shall be identified by a type designation number (see 6.2) formed as indicated in GG-S-161. The type designation number is intended for cataloging and ordering purposes and not for printing on the scales. Sub-paragraphs 184.108.40.206 through 220.127.116.11 indicate the options available for the type IV scale and are further identified in GG-S-161.
Spec. No. GG-S-161.
Type of scales - IV.
Shape of scales - −1, −2, or −3.
Composition of scales - −A, −B, −C, −D, −E, −F, or −G.
Grade of scales - −1 or 2.
Size of scales - −B, −D, or −F.
Scale graduations - −1.
Numbering of scales - A.
Style of scales - −A, −B, or −C (see 3.2).
Type of sheath required −1, −2, −3, −4, −5, or −6.