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T-SM2RRC - Extra-Thick SM2 (2.035"-40) Threaded Retaining Ring

Fosco Connect Part No.: T-SM2RRC

  • $ 23.50 or



T-SM2RRC - Extra-Thick SM2 (2.035"-40) Threaded Retaining Ring

Product Drawing

  • Extra-Thick (5 mm) T-SM05-, T-SM1-, and T-SM2-Threaded Retaining Rings
  • These extra-thick T-SM05, T-SM1, and T-SM2 retaining rings are manufactured from anodized aluminum and are designed with a 5 mm thickness for easier mounting of high-curvature lenses
  • Thread SM2 (2.035"-40)
  • Thickness 0.20" (5.0 mm)
  • Compatible Spanner Wrench T-SPW801, or T-SPW604
  • Compatible Optic Mounts Any Internally SM2-Threaded Mount
  • Clear Aperture Ø1.90" (Ø48.3 mm)
T-SM2 (2.035"-40.0) Threading
Internal Thread, UNS-2B External Thread, UNS-2A
Min Major Diameter 2.0350" Max Major Diameter 2.0338"
Min Pitch Diameter 2.0188" Min Major Diameter 2.0287"
Max Pitch Diameter 2.0239" Max Pitch Diameter 2.0176"
Min Minor Diameter
(and 83.3% of Thread)
2.008" Min Pitch Diameter 2.0137"
Max Minor Diameter
(and 64.9% of Thread)
2.014" Max Minor Diameter 2.0067"
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