Model: 257-331

Lamp Ballast

Properties:

Overall Length

12.125 inches

Body Diameter

3.750 inches

Mounting Hole Quantity

Current Type

Frequency Rating

60.0 hertz

Overall Diameter

3.750 inches

Center To Center Distance Between Mounting Holes Along Length

4.000 inches

Center To Center Distance Between Mounting Holes Along Width

4.250 inches

Mounting Method

Holes

Lamp Accommodation Quantity

Lamp Wattage Rating In Watts

85.0 and 110.0

Current Rating In Amps

0.800

Voltage Rating

120.0 volts

Power Factor Characteristic

High

Starting Characteristic

Rapid

Starter

Not required

NSN

6250-01-021-9599

Part Number

257-331

Description

Ballast,lamp

CAGE

75138

An item specifically designed for use with fluorescent or mercury vapor lamps and starters to provide a high starting voltage for striking the arc and to stabilize the operating impedance of the circuit in order to maintain the operating current at a steady value.

Part 257-331 NSN 6250-01-021-9599

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

05123

FIIG:

T316-C

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: 8504100000
SITC: 77123
End Use: Generators, accessories
NAICS: 335311
USDA: 1

Freight Class: Ballasts for discharge lamps or tubes