Model: 11780078

Optical Element Retaining Ring

Properties:

Thread Class

Thread Pitch Diameters

+4.3484/+4.3533 inches

Thread Direction

Right-hand

Groove Diameter

Between 0.083 inches and 0.103 inches

Thread Length

0.125 inches

Outside Diameter

Between 4.365 inches and 4.385 inches

Thread Size

4 3/8-32

Aperture Diameter

Between 4.035 inches and 4.045 inches

Inner Groove Width

Between 0.050 inches and 0.070 inches

Screw Thread Series Designator

Uns

Thread Location

External

Internal Flange Thickness

Between 0.115 inches and 0.135 inches

Groove Location

Inside face of flange

Knurled Periphery

Not provided

Material

Aluminum alloy

Material

Aluminum alloy

Surface Treatment

Chemical

NSN

1240-01-092-6696

Part Number

11780078

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 11780078 NSN 1240-01-092-6696

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:

058110

UFC:

33110

LTL:

200.0

LCL:

200.0

WCC:

744

TCC:

SHC:

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