Model: C493B

Plain Mechanics Protractor

Properties:

General Description

Rectangular head; double graduated from 0 to 180 deg; 6 in. Blade (graduated in 32nds and 64ths for depth measuring); satin chrome finish; with blade locknut

NSN

5210-01-268-3419

Part Number

C493B

Description

Protractor,mechanics,plain

CAGE

57163

A flat, steel plate of rectangular, square or semicircular shape, graduated in degrees. A pivoted arm is attached to the plate by means of a stationary bolt and thumb nut which locks the arm in any desired position. Used primarily in the metal working trades for laying out and transferring angles, scribing lines, and checking clearances on end mills and the like. Excludes protractor, one arm; protractor, two arm; protractor, three arm.

Part C493B NSN 5210-01-268-3419

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

09797

FIIG:

A23900

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: 9017204000
SITC: 87422
End Use: Laboratory testing instruments
NAICS: 334519
USDA: 1

Freight Class: Dis calculators, slide rulers and other mathematical calculating instruments