Model: 7688717

Optical Element Retaining Ring

Special Features:

Chamfer 0.020 in. By 45 degrees on id of flange end. One slot 0.062 in. Wide, 0.060 in. Deep by 45 degrees on face of flange end.

Properties:

Thread Class

Thread Direction

Right-hand

Groove Diameter

Between 1.207 inches and 1.217 inches

Thread Length

0.296 inches

Overall Length

0.399 inches

Outside Diameter

Between 1.310 inches and 1.315 inches

Thread Size

1.203 in.-48

Aperture Diameter

Between 0.947 inches and 0.950 inches

Inner Groove Width

Between 0.056 inches and 0.070 inches

Screw Thread Series Designator

Uns

Mounting Configuration

Internal thread

Thread Location

Internal

Internal Flange Thickness

Between 0.036 inches and 0.044 inches

Groove Location

Adjacent to internal flange

Knurled Periphery

Not provided

Material

Aluminum alloy, qq-a-225/3, alloy 2011, t3

Material

Aluminum alloy, qq-a-225/3, alloy 2011, t3

Surface Treatment

Anodized, mil-a-8625, type 1, class 2, black

Surface Treatment

Anodized, mil-a-8625, type 1, class 2, black

Fsc Application Data

Periscope, tank

NSN

1240-00-768-8717

Part Number

7688717

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 7688717 NSN 1240-00-768-8717

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:

Paclk Weight:

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:

095190

UFC:

49790

LTL:

70.0

LCL:

WCC:

72D

TCC:

SHC:

ACC:

Engineer 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