Model #C685-17

Optical element retaining ring (NSN 6650-00-499-2802)

Special Features
32 pitch anti-reflection thread inside surface of both ends, six ea holes 0.1540 in. Dia. Drilled through external flange, external flange has two ea rectangle milled areas 1.812 in. From center of ring diameter to outer edge offlange and 1.000 in. Wide, 1 ea hole 0.110 in. Dia. Drille through external flange, 2 ea holes 0.188 in. Diameter drilled through body of ring
Description

3b thread class, 2.343 inches nominal overall length, 4.688 inches nominal outside diameter, aluminum alloy 6061 material.

Groove Diameter
3.270 inches
Thread Length
0.472 inches
Thread Size
3.250 in.-32
Aperture Diameter
2.954 inches
Inner Groove Width
0.060 inches
Screw Thread Series Designator
Uns
Thread Location
Internal
Internal Flange Thickness
0.219 inches
Groove Location
Inside face of flange
Knurled Periphery
Not provided
Material
Aluminum alloy, qq-a-225/8
Surface Treatment
Anodized black
Description
Ring,retaining,optical Element
Cage Code
34228

Price Quote

Send the below form for pricing & availability
Part Number:
Quantity:
Email Address:
Phone Number:
Name:
Company:
Privacy    Terms

Shop with Confidence

Aircraft-Instruments.com is a trusted supplier
  •   Counterfeit Parts Prevention
  •   Quality Management System (QMS)
  •   Aviation Suppliers Association Member
  •   Provided Certificate of Conformance
  •   DDTC Registered
  •   ITAR Registered

Worldwide Shipping

Orders ship monday - friday
Shipping worldwide with all major carriers

Contact Us

CALL 602-926-1390

Aircraft-Instruments.com
20 E Thomas Rd
Phoenix, AZ 85012


Phone: 602-926-1390

Related Optical Instruments And Accessories

Featured Parts from All Categories

Updated: 11/23/2024