PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

LT66736-1Ammeter

Raytheon Company Dba Raytheon Co · NSN 6625-00-682-4761 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-00-682-4761 — this item is cataloged by the U.S. Government under National Stock Number 6625-00-682-4761. Primary manufacturer part number: LT66736-1.
Features
  • Ammeter — FSC 6625
  • Sensitivity Rating: 500.0 MILLIVOLTS
  • Mounting Arrangement Style: THREE HOLE/STUD BOLT CIRCLE
  • Mounting Bolt Circle Diameter: 3.160 INCHES NOMINAL IN
  • Meter Depth Behind Mounting Flange: 1.660 INCHES NOMINAL IN
  • Meter Body Diameter Behind Mounting Flange: 2.800 INCHES NOMINAL IN
  • Overall Diameter: 3.510 INCHES NOMINAL IN
  • Installation Design: PANEL
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Ammeter, cataloged under National Stock Number 6625-00-682-4761, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Raytheon Company Dba Raytheon Co. Government technical data includes 30 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6625-00-682-4761
Primary Part NumberLT66736-1
Item NameAmmeter
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerRaytheon Company Dba Raytheon Co
StatusACTIVE
Sensitivity Rating500.0 MILLIVOLTS
Mounting Arrangement StyleTHREE HOLE/STUD BOLT CIRCLE
Mounting Bolt Circle Diameter3.160 INCHES NOMINAL IN
Meter Depth Behind Mounting Flange1.660 INCHES NOMINAL IN
Meter Body Diameter Behind Mounting Flange2.800 INCHES NOMINAL IN
Overall Diameter3.510 INCHES NOMINAL IN
Installation DesignPANEL
Mounting Facility Type and Quantity3 FLANGE
Circuit Attachment Method and Quantity2 SOLDERLESS LUG
Circuit Current for Which DesignedDC
Dial Scale Marking ColorBLACK SINGLE INDICATOR SINGLE RANGE
Accuracy in Percent-2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
Scale Division Quantity25 SINGLE INDICATOR SINGLE RANGE
Style DesignatorROUND FLUSH MTG
ColorUNABLE TO DECODE
Sensitivity Rating500.0 MILLIVOLTS
Mounting Arrangement StyleTHREE HOLE/STUD BOLT CIRCLE
Mounting Bolt Circle Diameter3.160 INCHES NOMINAL IN
Meter Depth Behind Mounting Flange1.660 INCHES NOMINAL IN
Meter Body Diameter Behind Mounting Flange2.800 INCHES NOMINAL IN
Overall Diameter3.510 INCHES NOMINAL IN
Installation DesignPANEL
Mounting Facility Type and Quantity3 FLANGE
Circuit Attachment Method and Quantity2 SOLDERLESS LUG
Circuit Current for Which DesignedDC
Dial Scale Marking ColorBLACK SINGLE INDICATOR SINGLE RANGE
Accuracy in Percent-2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
Scale Division Quantity25 SINGLE INDICATOR SINGLE RANGE
Style DesignatorROUND FLUSH MTG
ColorUNABLE TO DECODE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
6625-00-089-2280MMI-10041 INTERCHANGEABLE
Voltmeter
Custom Metering Company Inc
6625-00-683-95427709299P10 INTERCHANGEABLE
Meter,special Scale
Lockheed Martin Corporation Div Rms
6625-00-683-95437709299P11 INTERCHANGEABLE
Meter,arbitrary Scale
Lockheed Martin Corporation Div Rms
5930-01-048-92988780973-1 INTERCHANGEABLE
Switch,push
L3 Technologies, Inc. Div Communication Systems-East
Cross-Reference Index
Part NumberManufacturer
LT66736-1 PRIMARY Raytheon Company Dba Raytheon Co (USA)
46-250R Hickok Waekon Llc (USA)
Related Parts
6625-00-089-2280INTERCHANGEABLE
VOLTMETER
MMI-10041
6625-00-683-9542INTERCHANGEABLE
METER,SPECIAL SCALE
7709299P10
6625-00-683-9543INTERCHANGEABLE
METER,ARBITRARY SCALE
7709299P11
5930-01-048-9298INTERCHANGEABLE
SWITCH,PUSH
8780973-1

Frequently Asked Questions

What is NSN 6625-00-682-4761?

NSN 6625-00-682-4761 is a Ammeter, manufactured by Raytheon Company Dba Raytheon Co, classified under FSC 6625 (No Item Name Available). Status: active.

What are the part numbers for NSN 6625-00-682-4761?

NSN 6625-00-682-4761 has 2 cross-referenced part numbers: LT66736-1 (Raytheon Company Dba Raytheon Co), 46-250R (Hickok Waekon Llc).

What NSN replaces 6625-00-682-4761?

There are 4 known substitutes for 6625-00-682-4761: 6625-00-089-2280, 6625-00-683-9542, 6625-00-683-9543 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of LT66736-1?

Key specifications for LT66736-1: Sensitivity Rating: 500.0 MILLIVOLTS; Mounting Arrangement Style: THREE HOLE/STUD BOLT CIRCLE; Mounting Bolt Circle Diameter: 3.160 INCHES NOMINAL IN; Meter Depth Behind Mounting Flange: 1.660 INCHES NOMINAL IN. 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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