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Standing Wave Ratio Meter

NSN: 6625-00-143-6714 | Model: 1845
ITAR Registered seal

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.

NSN Properties and Flags
NATO Stock Number
Yes - ITAR Controlled
Circuit Current For Which Designed
Overall Length
2.470 inches
Center To Center Distance Between Mounting Facilities Parallel To Length
5.250 inches
Center To Center Distance Between Mounting Facilities Parallel To Width
3.000 inches
Overall Height
4.490 inches
Overall Width
5.620 inches
Mounting Stud Length
0.510 inches
Indicator Type
Dial w/pointer
Installation Design
Mounting Arrangement Style
Four hole/stud rectangular/square
Sensitivity Rating
1.0 milliamperes
Dial Scale Marking Color
Red single indicator 2ND range
Accuracy In Percent
-1.0 to 1.0 at full scale single indicator all ranges
Meter Depth Behind Mounting Flange
1.910 inches
Meter Body Diameter Behind Mounting Flange
2.760 inches
Movement Type
Moving coil, permanent magnet
Background Color
White single indicator all ranges
Pointer Color
Red single indicator all ranges
Mounting Facility Type And Quantity
4 threaded stud
Scale Graduation Type
Nonlinear single indicator all ranges
Measurement Range
+6.0 to 15.0 volts, standing wave ratio single indicator 7TH range
Mounting Stud Diameter
0.138 inches
Scale Selection Method
Features Provided
Knife edge pointer and mirror scale and zero adjuster
Movement Suspension Method
Taut band
Circuit Attachment Method And Quantity
2 solder lug and 2 threaded stud
Special Markings
Exp marked perpendicular to upper two scales
Nuclear Hardness Critical Feature
Style Designator
Rectangular flush mtg
Fsc Application Data
Test set, elect. Equip.

Pricing and Availability

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NSN 6625-00-143-6714 Datasheet

Supply Class (FSC):
Electrical And Electronic Properties Measuring And Testing Instruments
Cross Reference:
  • 1845
Cage Codes:
  • General Microwave Corporation (CAGE 11332)
Schedule B & Trade:
  • Schedule B: 9030908030 (NAICS 334515)

    Parts and accessories of articles of schedule b subheading 9030.39

  • SITC: 87479

    Parts and accessories for instruments and apparatus (except meters) measuring etc. Electrical quantities and devices measuring etc. Ionized radiations

  • End Use: 21160

    Measuring, testing, control instruments


P - Indicates there is no information in the hmirs. The nsn is in a fsc in table ii of federal standard 313 and a msds may be required by the user. The requirement for a msds is dependent on a hazard determination of the supplier or the intended end use of item.


A - Item does not contain precious metal.


- Represents items with no adp components


- The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.

Freight Information:
  • NMFC:

    136740 - Meters elec/parts

  • WCC:

    657 - Instruments, electric meter

  • SHC:

    9 - Other or no special handling required (sh)

  • ADC:

    A - Shipment is not a consolidation and does not exceed 84 inches in any dimension.

  • ACC:

    H - Instruments/equipment/supplies for radio, communications, electrical, laboratory, etc. (includes signal corps)

  • LTL:

    W - Rating variable

  • TCC:

    Z - No special type of cargo code applicable

NSN Management Codes:
  • SOS
  • AAC
  • Quantity per pack
  • Unit of Measure
  • Shelf Life
  • Classification Control
  • Repariability
    This is a nonreparable item. if condemned or economically unserviceable, then dispose at the level authorized replace the item.

Questions & Answers:

What are the historical prices recorded for this stock number?
Historical data shows pricing from $1,106.18 to $1,843.63..
Does NSN 6625-00-143-6714 have a shelf life?
No. There is no shelf life applicable for this NSN.
What NATO entities are users of this NSN?
Department Of The Army
What is the NIIN of NSN 6625-00-143-6714?
001436714 or 00-143-6714
Does NSN 6625-00-143-6714 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 6625-00-143-6714?
No solicitations for this NSN.
When was this national stock number assigned to the federal catalog?
Jan 10, 1969