Model: MIL-I-25859

Engine Pressure Ratio Indicator

Special Features:

Case hermetically sealed; includes takeoff index and counter and knob; weight 1.5 pounds; integral lighting per mil-i-25467

Properties:

Width

2.625 inches

Length

4.750 inches

Current Type

Ac Voltage Rating

26.0 volts

Frequency Rating

400.0 hertz

Contact Quantity

Contact Type

Presentation Type

Dial

Scale Range

+1.2/+3.4 pressure ratio single indicator single scale

Individual Marking

Engine pressure ratio

Electrical Connection Quantity

Electrical Connection Identifying Number

Ms33678r-14s-5p

Pointer Type

Indicating single pointer

Illumination Color Generation Method

Integral light

Part Name Assigned By Controlling Agency

Indicator, thrust, synchro style, pressure ratio 1.2-3.4 units

Phase

Single

NSN

6620-00-474-0605

Part Number

MIL-I-25859

Description

Indicator,ratio,engine Pressure

CAGE

81349

An instrument designed to reflect one of the testing parameters for conducting engine performance and functional testing in an operating engine system. Its dial is graduated in units of pressure ratio, and is used to indicate the percent of differential pressure ratio of exhaust gas pressure to intake (engine inlet) pressure for gas turbine or jet propulsion engines.

Part MIL-I-25859 NSN 6620-00-474-0605

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

32992

FIIG:

A533Y0

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:

6.3 X 6.3 X 10.5

Paclk Weight:

3.0000lbs

Item Weight:

0.0000lbs

Item Dim:

OPI

SPI No.

SPI Rev.

SPC Mkg.

LVL A

LVL B

OPI:

SPI No.:

F000002XA1

SPI Rev.:

SPC Mkg:

LVL_A:

LVL_B:

Freight Classification

NMFC

UFC

LTL

LCL

WCC

TCC

SHC

ACC

NMFC:

061700

UFC:

34580

LTL:

RATING VARIABLE

LCL:

77.5

WCC:

658

TCC:

SHC:

ACC:

Instruments/Radio

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Schedule B and Export

Schedule B: 9031808080
SITC: 87425
End Use: Measuring, testing, control instruments
NAICS: 334515
USDA: 1

Freight Class: Other measuring or checking instruments, appliances and machines, nesoi in chapter 90