Model: L317000135

Optical Instrument Window

Properties:

Width

Between 21.969 inches and 22.031 inches

Thickness

Between 0.344 inches and 0.422 inches

Length

Between 24.969 inches and 25.031 inches

Polished Surface

Both

Reflection Reducing Surface

Both

Polished Periphery

Not provided

Material

Glass, dd-g-451, type 1

Material

Glass plate

Material Specification

Dd-g-451, type 1 federal specification single material response

NSN

1240-01-116-6993

Part Number

L317000135

Description

Window,optical Instrument

CAGE

10001

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 L317000135 NSN 1240-01-116-6993

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:

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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