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National Association of S Gaugers, Inc.

Standards and Recommended Practices

The following are the Standards(S) and Recommended Practices(RP) as approved by the NASG Engineering Committee.

    S 3

    Track, Standard Gauge

    S 3.5

    Track, Narrow Guage

    S 4

    Wheels, Standard Gauge

    S 4.5

    Wheels, Narrow Gauge

    RP 3

    Track, Proto: 64

    RP 4

    Wheels, Proto: 64

 

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