Model: 8298401

Optical Instrument Window

Special Features:

Light deviation not to exceed 3 min of arc plus astigmatism not to exceed 20 millidiopters

Properties:

Width

1.312 inches

Thickness

Between 0.302 inches and 0.332 inches

Length

4.307 inches

Bevel Depth

0.125 inches

Polished Surface

Both

Reflection Reducing Surface

Both

Polished Periphery

Not provided

Bevel Angle In Deg

30.000

Criticality Code Justification

Feat

Material

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

Material

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

Fsc Application Data

Fire control periscope

NSN

1240-00-580-0635

Part Number

8298401

Description

Window,optical Instrument

CAGE

19200

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 8298401 NSN 1240-00-580-0635

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:

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:

086700

UFC:

45955

LTL:

RATING VARIABLE

LCL:

WCC:

704

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