SM1 Retainer Ring

Retaining ring for Compur #1 shutter (M39x0.75 thread)

50mm SM05 Lens Tube

CP02T/M - SM1-Threaded 30 mm Cage Plate, 0.50 Thick, 2 Retaining

SM05 SM1 SM2 Standard Retaining Ring Threaded Snap Ring Pressure

BN 26005 - bigHead® SM1/B23

15mm SM1 Lens Tube

SM05 SM1 SM2 Standard Retaining Ring Threaded Snap Ring

Government Scientific Source

Thorlabs SM1RR Retaining Ring For 1 Lens Tubes SM1 - Mara Industrial

BN 26008 - bigHead® SM1/B32

Thorlabs - SM1RR SM1 Retaining Ring for Ø1 Lens Tubes and Mounts

100mm SM05 Lens Tube

Product Drawing Standard Retaining Rings for Optics Ranging from Ø30 mm to Ø1.5 Thread SM1.5 (1.535-40) Thickness 0.10 (2.5 mm) Compatible

T-SM1.5RR - SM1.5 Retaining Ring for Ø1.5 Lens Tubes and Mounts