Model: 7408677

Optical Element Retaining Ring

Special Features:

Ring has an enlarged diopter scale range -7.5 to +3.5 and -4 to +2. Inside diameter of ring measures 2.625 in.

Properties:

Outside Diameter

3.375 inches

End Application

Fc33 eyebox; periscope

Drive Type

Slotted face

Mounting Configuration

4x 0.154 through mounting holes

Internal Flange Thickness

0.780 inches

Material

Steel, corrosion resisting

Material

Stainless steel

NSN

1240-01-498-2272

Part Number

7408677

Description

Ring,retaining,optical Element

CAGE

53711

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 7408677 NSN 1240-01-498-2272

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

22585

FIIG:

T271-J

Concept No.:

App. Key:

Cond. Code:

Status:

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators

HMIC

PMIC

ESD/EMI

ENAC

MMAC

CRITL

HMIC:

PMIC:

ESD:

MMAC:

CRITL:

Packaging & Shipping

Est. Pack Size

Est. Pack Weight

Est. Item Weight

Est. Item Dim.

Pack Size:

5.0 X 4.5 X 4.5

Paclk Weight:

1.0000lbs

Item Weight:

Item Dim:

OPI

SPI No.

SPI Rev.

SPC Mkg.

LVL A

LVL B

OPI:

SPI No.:

SPI Rev.:

SPC Mkg:

LVL_A:

LVL_B:

Freight Classification

NMFC

UFC

LTL

LCL

WCC

TCC

SHC

ACC

NMFC:

058110

UFC:

33110

LTL:

200.0

LCL:

WCC:

713

TCC:

SHC:

ACC:

Instruments/Radio

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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