Model: 8289272

Optical Element Retaining Ring

Properties:

Thread Class
3a
Thread Pitch Diameters
+2.0219/+2.0273 inches
Thread Pitch Diameters
+2.0219 to 2.0273 inches
Thread Direction
Right-hand
Groove Diameter
2.078 inches
Thread Length
0.494 inches
Overall Length
1.082 inches
Outside Diameter
Between 2.359 inches and 2.391 inches
Thread Size
2.063-16
Aperture Diameter
Between 1.718 inches and 1.723 inches
Inner Groove Width
Between 0.176 inches and 0.186 inches
Screw Thread Series Designator
Uns
Mounting Configuration
Lockscrew collar 1
Thread Location
Internal
Internal Flange Thickness
0.092 inches
Groove Location
Adjacent to internal flange
Knurled Periphery
Provided
Material
Aluminum alloy, ww-t-700/3, alloy 2024, t3 and aluminum alloy, ww-t-700/6, alloy 6061, t6
Material
Aluminum alloy 2024 and aluminum alloy 6061
Material Specification
Ww-t-700/3, alloy 2024, t3 federal specification 1st material response and ww-t-700/6, alloy 6061, t6 federal specification 2nd material response
Surface Treatment
Enamel
Surface Treatment
Enamel, black
NSN
1240-00-115-4471
Part Number
8289272
Description
Ring,retaining,optical Element
CAGE
19200

A cylindrical item having an internally flanged diameter designed to retain a lens or window in the objective end, or a diopter scale at the viewing end of an optical instrument. It may have one or more of the following characteristics: internal thread or machined for a press fit, method of securing, and/or knurled periphery. For externally threaded items, see retainer, optical element. Excludes cell, optical element; nut, plain knurled; nut, plain round; and ring, retaining.

Part 8289272 NSN 1240-00-115-4471

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
22585
FIIG:
T271-J
Concept No.:
App. Key:
JC
Cond. Code:
2
Status:
A

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
N
PMIC:
A
ESD:
ESD:
MMAC:
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
1.1 X 2.4 X 2.4
Paclk Weight:
0.1000lbs
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
M
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
Q
LVL_B:
Q

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
058110
UFC:
33110
LTL:
200.0
LCL:
--
WCC:
744
TCC:
Z
SHC:
9
ACC:
Medical Supplies

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Schedule B and Export
  • Schedule B: 9803200000
  • SITC: 93100
  • End Use: Military apparel and footwear
  • NAICS: 990000
  • USDA: 1

Freight Class: Military equipments not identified by kind

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