Model: 42473-1

Optical Element Retaining Ring

Properties:

Thread Class
2a
Thread Pitch Diameters
+3.7235/+3.7283 inches
Thread Direction
Right-hand
Thread Length
0.125 inches
Outside Diameter
Between 3.740 inches and 3.760 inches
Thread Size
3/8-32
Aperture Diameter
Between 3.383 inches and 3.393 inches
Screw Thread Series Designator
Uns
Mounting Configuration
0.081 in.Dia.12 holes equally spaced
Thread Location
External
Internal Flange Thickness
0.362 inches
Knurled Periphery
Not provided
Material
Aluminum alloy 7075-t651 qq-a-250/12
Material
Aluminum alloy 7075-t651 qq-a-250/12
Surface Treatment
Anodized, mil-a-8625, type 2, class 2
NSN
1240-01-077-2885
Part Number
42473-1
Description
Ring,retaining,optical Element
CAGE
09344

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 42473-1 NSN 1240-01-077-2885

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

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
058110
UFC:
33110
LTL:
200.0
LCL:
200.0
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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