PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

263-3Wattmeter

Microwave Devices Inc · NSN 6625-00-871-7542 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-00-871-7542 — this item is cataloged by the U.S. Government under National Stock Number 6625-00-871-7542. Primary manufacturer part number: 263-3.
Features
  • Wattmeter — FSC 6625
  • Installation Design: BENCH
  • Furnished Items and Quantity: COUPLER UNIT 1
  • Style Designator: RECTANGULAR OR SQUARE
  • Scale Graduation Type: NONLINEAR SINGLE INDICATOR ALL RANGES
  • Movement Suspension Method: JEWEL PIVOT BASE
  • Measurement Range: +0.0 TO 10.0 WATTS SINGLE INDICATOR FIRST RANGE
  • FSC Application Data: TEST SET,ELECT. EQUIP.
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Wattmeter, cataloged under National Stock Number 6625-00-871-7542, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Microwave Devices Inc. Government technical data includes 27 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN6625-00-871-7542
Primary Part Number263-3
Item NameWattmeter
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerMicrowave Devices Inc
StatusACTIVE
Installation DesignBENCH
Furnished Items and QuantityCOUPLER UNIT 1
Style DesignatorRECTANGULAR OR SQUARE
Scale Graduation TypeNONLINEAR SINGLE INDICATOR ALL RANGES
Movement Suspension MethodJEWEL PIVOT BASE
Measurement Range+0.0 TO 10.0 WATTS SINGLE INDICATOR FIRST RANGE
FSC Application DataTEST SET,ELECT. EQUIP.
Scale Selection MethodSWITCH
Nuclear Hardness Critical FeatureNONHARDENED
Special MarkingsSCALE SELECTION SWITCH MARKED FORWARD AND REFLECTED
Measurement Range+0.0 TO 100.0 WATTS SINGLE INDICATOR SECOND RANGE
Features ProvidedZERO ADJUSTER
Circuit Attachment Method and Quantity1 PHONE PLUG
Measurement Range+0.0 TO 1000.0 WATTS SINGLE INDICATOR THIRD RANGE
Movement TypeMOVING COIL, PERMANENT MAGNET
Indicator TypeDIAL W/POINTER
Furnished Items and QuantityCOUPLER UNIT 1
Style DesignatorRECTANGULAR OR SQUARE
Scale Graduation TypeNONLINEAR SINGLE INDICATOR ALL RANGES
Movement Suspension MethodJEWEL PIVOT BASE
Measurement Range+0.0 TO 10.0 WATTS SINGLE INDICATOR FIRST RANGE
FSC Application DataTEST SET,ELECT. EQUIP.
Scale Selection MethodSWITCH
Nuclear Hardness Critical FeatureNONHARDENED
Special MarkingsSCALE SELECTION SWITCH MARKED FORWARD AND REFLECTED
Measurement Range+0.0 TO 100.0 WATTS SINGLE INDICATOR SECOND RANGE
Features ProvidedZERO ADJUSTER
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Unit of IssueEA
SMR CodeX
Verified Substitutes 10
6760-00-175-3978 INTERCHANGEABLE
Slide Copy Attchmen
5905-00-715-63640813-0006 INTERCHANGEABLE
Resistor,fixed,wire Wound,induct
Keysight Technologies Inc
5340-00-837-9912DP-437-2633 INTERCHANGEABLE
Plug,protective,dust and Moistur
Heyco Inc Dba Heyco Products
5935-01-022-08902633 INTERCHANGEABLE
Backshell,electrical Connector
Abb Installation Products Inc
5935-01-071-72252633 INTERCHANGEABLE
Connector,plug,electrical
Hubbell Incorporated (delaware) Dba Wiring Device-Kellems Division
5985-01-091-9614800074-1 INTERCHANGEABLE
Attenuator,fixed
Raytheon Company Dba Raytheon
5905-01-096-54672633 INTERCHANGEABLE
Resistor,fixed,wire Wound
Crown Audio, Inc. Dba Crown International
4810-01-133-7320263-3 12IN INTERCHANGEABLE
Valve,gate
Flowserve Corporation Div Flowserve Us Inc
5985-01-145-4673 INTERCHANGEABLE
Attenuator,fixed
3020-01-269-67012633 INTERCHANGEABLE
Pulley,groove
Lebus International, Inc.
Cross-Reference Index
Part NumberManufacturer
263-3 PRIMARY Microwave Devices Inc (USA)
Related Parts
6760-00-175-3978INTERCHANGEABLE
SLIDE COPY ATTCHMEN
5905-00-715-6364INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND,INDUCT
0813-0006
5340-00-837-9912INTERCHANGEABLE
PLUG,PROTECTIVE,DUST AND MOISTUR
DP-437-2633
5935-01-022-0890INTERCHANGEABLE
BACKSHELL,ELECTRICAL CONNECTOR
2633
5935-01-071-7225INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
2633
5985-01-091-9614INTERCHANGEABLE
ATTENUATOR,FIXED
800074-1
5905-01-096-5467INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND
2633
4810-01-133-7320INTERCHANGEABLE
VALVE,GATE
263-3 12IN
5985-01-145-4673INTERCHANGEABLE
ATTENUATOR,FIXED
3020-01-269-6701INTERCHANGEABLE
PULLEY,GROOVE
2633

Frequently Asked Questions

What is NSN 6625-00-871-7542?

NSN 6625-00-871-7542 is a Wattmeter, manufactured by Microwave Devices Inc, classified under FSC 6625 (No Item Name Available). Status: active.

What are the part numbers for NSN 6625-00-871-7542?

NSN 6625-00-871-7542 has 1 cross-referenced part number: 263-3 (Microwave Devices Inc).

What NSN replaces 6625-00-871-7542?

There are 10 known substitutes for 6625-00-871-7542: 6760-00-175-3978, 5905-00-715-6364, 5340-00-837-9912 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 263-3?

Key specifications for 263-3: Installation Design: BENCH; Furnished Items and Quantity: COUPLER UNIT 1; Style Designator: RECTANGULAR OR SQUARE; Scale Graduation Type: NONLINEAR SINGLE INDICATOR ALL RANGES. 30 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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