#C68717 Eyepiece Focus Ring | Components And Accessories Test Equipment Optical Instruments

C68717

Optical Element Retaining Ring

NSN 6650-00-499-2802

DEMIL
Shelf Life
UOM
NIIN
Demil:
DEMIL/MLI
Shelf Life:
N/A
UOM:
1 EA
NIIN:
004992802

Product 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

Product Technical Spec.

Thread Class:
3b
Groove Diameter:
3.270 inches
Thread Length:
0.472 inches
Overall Length:
2.343 inches
Outside Diameter:
4.688 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
Material:
Aluminum alloy 6061
Surface Treatment:
Anodized black
NSN:
6650-00-499-2802
Item Name:
Ring,eyepiece Focus
Cage Code:
34228

Cross Referenced Parts

Part Number
Cage
RNCC
RNVC
RNAAC
Status
MSDS
SADC
Part Number:
C685-17
Cage Code:
34228
RNCC:
3
RNVC:
2
RNAAC:
HD
Status:
A
MSDS:
SADC:
Part Number:
012522
Cage Code:
34228
RNCC:
5
RNVC:
2
RNAAC:
HD
Status:
A
MSDS:
SADC:

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Catalog Drilldown
--- Instruments And Laboratory Equipment
------ Components And Accessories Test Equipment Optical Instruments
--------- Optical Element Retaining Rings
------------ P/N C68717

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Last Updated: 03/11/2025