Model: 71-91146B

Observation Window

Properties:

Overall Length

7.950 inches

Overall Width

7.010 inches

Overall Thickness

0.500 inches

Material Transparency

Clear

Features Provided

Frame

Material

Plastic methyl methacrylate

Material Specification

L-p-391, type 1, class c federal specification single material response

NSN

9330-01-291-7493

Part Number

71-91146B

Description

Window,observation

CAGE

07700

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 71-91146B NSN 9330-01-291-7493

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: 3926909987
SITC: 89399
End Use: Other industrial supplies
NAICS: 326199
USDA: 1

Freight Class: Articles of plastics & articles of other materials of heading 3901 to 3914, nesoi