Model: BG-18

Telescopic Instrume Light Filter

Special Features:

White light transmission to be at least 25 pct; optical density at 0.6943 microns to be at least 5.0; light deviation not to exceed 2 min of arc; surface quali type 80-50 per military specification mil-0-13830; both flat surfaces polished; chamfer edges 45 deg

Properties:

Overall Diameter

1.670 inches

Overall Thickness

0.130 inches

Fsc Application Data

Telescope

NSN

1240-00-007-8429

Part Number

BG-18

Description

Filter,light,telescopic Instrume

CAGE

55736

An item having two plane-parallel surfaces and used in the telescopic system of an optical instrument to modify the density or spectral intensity of light by absorption. Several filters having varied characteristics are usually mounted in such a manner that any selected filter may be moved in or out of the optical axis as light conditions warrant. Excludes window, optical instrument.

Part BG-18 NSN 1240-00-007-8429

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

13347

FIIG:

T205-A

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:

1.7 X 1.7 X 0.1

Paclk Weight:

0.1000lbs

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:

069100

UFC:

21275

LTL:

100.0

LCL:

WCC:

653

TCC:

SHC:

ACC:

Instruments/Radio

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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