Model: 30091

Optical Instrument Window

Special Features:

Four rounded corners 26.5 mm plus 1.0, minus 0.0 (1.0433 in.) radius

Properties:

Width

Between 287.000 millimeters and 288.000 millimeters

Thickness

Between 18.800 millimeters and 19.200 millimeters

Length

Between 349.000 millimeters and 350.000 millimeters

Bevel Depth

2.000 millimeters

Refraction Index

1.5170

Dispersion

64.5 angstroms

Reflection Reducing Surface

One

Polished Periphery

Not provided

Bevel Angle In Deg

45.000

Material

Glass, optical, jan-g-174, type 517-645, grade c

Material

Glass, optical, jan-g-174, type 517-645, grade c

Fsc Application Data

Telescope mk 102 mod 3

NSN

1240-00-171-4177

Part Number

30091

Description

Window,optical Instrument

CAGE

21587

A color free item of transparent or translucent material, usually optical glass, having specific light dispersive and refractive properties. This item must have two plane-parallel surfaces and is designed for use in an optical instrument to provide a barrier to foreign matter and/or permit light transmission in or to the optical system.

Part 30091 NSN 1240-00-171-4177

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

10908

FIIG:

T271-F

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:

12.0000lbs

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:

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