Model: 631

Standing Wave Ratio Meter

Special Features:

Ruggedized

Properties:

Mounting Hole Diameter

Between 0.143 inches and 0.157 inches

Overall Diameter

3.510 inches

Environmental Protection

Shock resistant and vibration resistant

Mounting Bolt Circle Diameter

3.160 inches

Indicator Type

Dial w/pointer

Installation Design

Panel

Mounting Arrangement Style

Three hole/stud bolt circle

Sensitivity Rating

100.0 microamperes

Meter Depth Behind Mounting Flange

1.660 inches

Meter Body Diameter Behind Mounting Flange

2.800 inches

Movement Type

Moving coil, permanent magnet

Mounting Facility Type And Quantity

3 unthreaded hole

Scale Selection Method

Terminal

Features Provided

Zero adjuster

Movement Suspension Method

Jewel pivot base

Circuit Attachment Method And Quantity

2 threaded stud

Nuclear Hardness Critical Feature

Nonhardened

Style Designator

Round flush mtg

NSN

6625-00-465-2138

Part Number

631

Description

Meter,standing Wave Ratio

CAGE

77221

An instrument whose movement is actuated by the flow of electric current when inserted in an appropriate circuit. It is calibrated for the display of voltage standing wave ratio. The value may be expressed by means of a pointer and calibrated dial or a digital readout display.

Part 631 NSN 6625-00-465-2138

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

16448

FIIG:

A310A0

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:

0.1000lbs

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:

061700

UFC:

34580

LTL:

RATING VARIABLE

LCL:

RATING VARIABLE

WCC:

658

TCC:

SHC:

ACC:

Instruments/Radio

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Schedule B and Export

Schedule B: 9030908030
SITC: 87479
End Use: Measuring, testing, control instruments
NAICS: 334515
USDA: 1

Freight Class: Parts and accessories of articles of schedule b subheading 9030.39