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Adaptors and Retaining Rings

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Overview

Retaining rings and adapters offered in a variety of sizes and models provide maximum versatility to the multiple sizes of optics and mounting style options.

Retaining rings available in all standard sizes for securing optics.
Adapters conveniently convert optical mounts for other size optics
Adapters for platform mirror mounts available in multiple sizes

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Products

Showing 15 of 15 total products

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Compare	Model		Thread Type	Inside Diameter	Material	Availability	Price	Brand
MLH-0.25-RR Retaining Ring, 4.7 mm ID, 0.281-32 Thread $7.60 In Stock	MLH-0.25-RR Retaining Ring, 4.7 mm ID, 0.281-32 Thread	1.0	0.281-32	4.7 mm	Delrin	In Stock	$7.60	Newport
MLH-0.5-RR Retaining Ring, 10.1 mm ID, 0.546-32 Thread $7.60 In Stock	MLH-0.5-RR Retaining Ring, 10.1 mm ID, 0.546-32 Thread	2.0	0.546-32	10.1 mm	Delrin	In Stock	$7.60	Newport
LPLH-75-RR Retaining Ring, 15.9 mm ID, 0.786-32 Thread $7.60 In Stock	LPLH-75-RR Retaining Ring, 15.9 mm ID, 0.786-32 Thread	3.0	0.786-32	15.9 mm	Delrin	In Stock	$7.60	Newport
LP-05-RR Retaining Ring, 16.3 mm ID, 0.875-20 Thread $7.60 In Stock	LP-05-RR Retaining Ring, 16.3 mm ID, 0.875-20 Thread	4.0	0.875-20	16.3 mm	Delrin	In Stock	$7.60	Newport
A-1.25-1RR Retaining Ring, 19.2 mm ID, 1.063-20 Thread $6.50 In Stock	A-1.25-1RR Retaining Ring, 19.2 mm ID, 1.063-20 Thread	5.0	1.063-20	19.2 mm	Delrin	In Stock	$6.50	Newport
A-1.25-1RR-L Retaining Ring, 22.9 mm ID, 1.063-20 Thread $9.30 In Stock	A-1.25-1RR-L Retaining Ring, 22.9 mm ID, 1.063-20 Thread	6.0	1.063-20	22.9 mm	Aluminum	In Stock	$9.30	Newport
LP-1-RR Retaining Ring, 26.9 mm ID, 1.438-20 Thread $7.60 In Stock	LP-1-RR Retaining Ring, 26.9 mm ID, 1.438-20 Thread	7.0	1.438-20	26.9 mm	Delrin	In Stock	$7.60	Newport
LP-2-RR Retaining Ring, 30.0 mm ID, 1.563-20 Thread $7.60 In Stock	LP-2-RR Retaining Ring, 30.0 mm ID, 1.563-20 Thread	8.0	1.563-20	30.0 mm	Delrin	In Stock	$7.60	Newport
LH2-T-RR Retainer Ring, 42.9 mm ID, 2.063-20 Thread $7.60 In Stock	LH2-T-RR Retainer Ring, 42.9 mm ID, 2.063-20 Thread	9.0	2.063-20	42.9 mm	Delrin	In Stock	$7.60	Newport
LT05-RR Retaining Ring, 10.9 mm ID, 0.535-40 Thread $6.50 In Stock	LT05-RR Retaining Ring, 10.9 mm ID, 0.535-40 Thread	10.0	0.535-40	10.9 mm	Aluminum	In Stock	$6.50	Newport

Showing 1 to 010 of 15 entries

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Features

Retaining Rings for all Standard Sized Mounts

Retaining rings securely hold optics in place with even force around the perimeter. They are offered for standard sized optics between 0.5 in. and 2.0 in. (12.7 mm and 50.8 mm) in diameter.