Model: MIL-G-3787

Observation Window

Properties:

Overall Diameter

3.094 inches

Overall Thickness

0.197 inches

Environmental Protection

Any acceptable

Surface Finish

Polished

Material Transparency

Clear

Edge Type

Flat finish

Material

Glass

Material Specification

Dd-g-451 federal specification single material response

Style Designator

Circular

Test Data Document

81349-mil-g-3787 specification (includes engineering type bulletins, brochures, etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "", etc.).

Nondefinitive Specification/std Data

1 class and i type

NSN

9340-00-171-4516

Part Number

MIL-G-3787

Description

Window,observation

CAGE

81349

A transparent item of a predetermined size that permits unobstructed and undistorted view of a desired area. It may include a frame, have reference markings, grid lines and may be heat strengthened and/or tinted. It is generally used where safety, security, and/or the restriction of foreign matter are required, such as the visual examination of the inside of pressurized tanks, liquid sights, controlled liquid flow, and inspection of equipment enclosed in a housing. See window (as modified); scale, cathode ray tube; scale, plotting; window, metal; window, wood; and window panel, aircraft.

Part MIL-G-3787 NSN 9340-00-171-4516

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

16880

FIIG:

A15000

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:

Construction Materials

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Schedule B and Export

Schedule B: 7016900000
SITC: 66496
End Use: Glass-plate, sheet, etc.
NAICS: 327215
USDA: 1

Freight Class: Pressed or molded glass articles, wired or not, for building or construction;leaded glass windows etc; formed multicellular or foam glass