PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

337577REVAAmmeter

Lockheed Martin Corporation Div Rms - Mitchel Field · NSN 6625-00-915-1643 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-00-915-1643 — this item is cataloged by the U.S. Government under National Stock Number 6625-00-915-1643. Primary manufacturer part number: 337577REVA.
Features
  • Ammeter — FSC 6625
  • Special Test Features: COMPLIES WITH MIL-M-10304
  • FSC Application Data: TEST SET,ELECT. EQUIP.
  • Surface Treatment: PAINT
  • Indicator Type: DIAL W/POINTER
  • Dial Scale Marking Color: BLACK SINGLE INDICATOR SINGLE RANGE
  • Mounting Arrangement Style: FOUR HOLE/STUD RECTANGULAR/SQUARE
  • Meter Body Diameter Behind Mounting Flange: 1.510 INCHES MAXIMUM IN
Applications
  • Applications requiring Steel construction
General Description

The Ammeter, cataloged under National Stock Number 6625-00-915-1643, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Lockheed Martin Corporation Div Rms - Mitchel Field. Government technical data includes 27 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6625-00-915-1643
Primary Part Number337577REVA
Item NameAmmeter
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerLockheed Martin Corporation Div Rms - Mitchel Field
StatusACTIVE
Special Test FeaturesCOMPLIES WITH MIL-M-10304
FSC Application DataTEST SET,ELECT. EQUIP.
Surface TreatmentPAINT
Indicator TypeDIAL W/POINTER
Dial Scale Marking ColorBLACK SINGLE INDICATOR SINGLE RANGE
Mounting Arrangement StyleFOUR HOLE/STUD RECTANGULAR/SQUARE
Meter Body Diameter Behind Mounting Flange1.510 INCHES MAXIMUM IN
Furnished Items and QuantityWASHERS 4,NUTS 4
ColorUNABLE TO DECODE
Features ProvidedMAGNETIC SHIELD AND ZERO ADJUSTER
Style DesignatorRECTANGULAR FLUSH MTG
Pointer ColorBLACK SINGLE INDICATOR SINGLE RANGE
MaterialSTEEL
Nuclear Hardness Critical FeatureNONHARDENED
Sensitivity Rating0.9 OHMS
Scale Graduation TypeLINEAR SINGLE INDICATOR SINGLE RANGE
Installation DesignPANEL
Accuracy in Percent-3.0 TO 3.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
Movement Suspension MethodTAUT BAND
Movement TypeMOVING COIL, PERMANENT MAGNET
Environmental ProtectionAIRTIGHT AND DUST RESISTANT AND FUNGUS RESISTANT AND HEAT RESISTANT AND HUMIDITY RESISTANT AND SHOCK RESISTANT AND VIBRATION RESISTANT AND WATER RESISTANT
Circuit Attachment Method and Quantity2 SOLDERLESS LUG
Power SourceEXTERNAL
Dielectric Withstanding Voltage in Volts1500.0
Circuit Construction TypeNONELECTRONIC
Circuit Current for Which DesignedDC
Panel for Which DesignedMAGNETIC
Lifecycle & Compliance
Acquisition StatusACTIVE
Successor6625-00-179-5202 (192-350)
HAZMATNo
Weight0.2668 lbs
Cube0.0033 cu ft
Verified Substitutes 10
6625-00-179-5202192-350 SUCCESSOR
Meter,arbitrary Scale
Cmc Electronics Inc
6625-00-448-6318163 SUCCESSOR
Generator,pulse
Tektronix, Inc.
6625-00-580-093059-7002 SUCCESSOR
Ammeter
Ideal Precision Meter Co Dba Ideal Precision Meter Co
6625-00-756-1354559C20 SUCCESSOR
Voltmeter
Cardwell Condenser Corp Lapointe-Admiral Div
6625-00-897-8362412915-1 SUCCESSOR
Ammeter
Raytheon Company Dba Raytheon
Voltmeter
6625-00-998-62112043114P1 SUCCESSOR
Voltmeter
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
6625-01-016-1299131 SUCCESSOR
Ammeter
Lockheed Martin Corp
6625-00-060-9989SMB423441 INTERCHANGEABLE
Meter,arbitrary Scale
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
6625-01-310-79481803069 INTERCHANGEABLE
Meter,special Scale
Northrop Grumman Systems Corporation
Cross-Reference Index
Part NumberManufacturer
BCD2 Jewell Instruments Llc (USA)
163 Prime Technology Inc International Instruments Div (USA)
337577REVA PRIMARY Lockheed Martin Corporation Div Rms - Mitchel Field (USA)
131 Ideal Precision Meter Co Dba Ideal Precision Meter Co (USA)
163 Prime Technology Llc (USA)
Related Parts
SUCCESSOR 6625-00-179-5202 Meter,arbitrary Scale · 192-350
6625-00-448-6318SUCCESSOR
GENERATOR,PULSE
163
6625-00-580-0930SUCCESSOR
AMMETER
59-7002
6625-00-756-1354SUCCESSOR
VOLTMETER
559C20
6625-00-897-8362SUCCESSOR
AMMETER
412915-1
6625-00-984-1076SUCCESSOR
VOLTMETER
6625-00-998-6211SUCCESSOR
VOLTMETER
2043114P1
6625-01-016-1299SUCCESSOR
AMMETER
131
6625-00-060-9989INTERCHANGEABLE
METER,ARBITRARY SCALE
SMB423441
6625-01-310-7948INTERCHANGEABLE
METER,SPECIAL SCALE
1803069

Frequently Asked Questions

What is NSN 6625-00-915-1643?

NSN 6625-00-915-1643 is a Ammeter, manufactured by Lockheed Martin Corporation Div Rms - Mitchel Field, classified under FSC 6625 (No Item Name Available). Status: active.

What are the part numbers for NSN 6625-00-915-1643?

NSN 6625-00-915-1643 has 5 cross-referenced part numbers: BCD2 (Jewell Instruments Llc), 163 (Prime Technology Inc International Instruments Div), 337577REVA (Lockheed Martin Corporation Div Rms - Mitchel Field), 131 (Ideal Precision Meter Co Dba Ideal Precision Meter Co), 163 (Prime Technology Llc).

What NSN replaces 6625-00-915-1643?

There are 10 known substitutes for 6625-00-915-1643: 6625-00-179-5202, 6625-00-448-6318, 6625-00-580-0930 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 337577REVA?

Key specifications for 337577REVA: Overall Length: 1.500 INCHES MAXIMUM IN; Overall Width: 1.734 INCHES MINIMUM AND 1.766 INCHES MAXIMUM IN; Special Test Features: COMPLIES WITH MIL-M-10304; FSC Application Data: TEST SET,ELECT. EQUIP.. 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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