PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2790Ammeter

Simpson Electric Company, Inc. · NSN 6625-00-442-0196 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-00-442-0196 — this item is cataloged by the U.S. Government under National Stock Number 6625-00-442-0196. Primary manufacturer part number: 2790.
Features
  • Ammeter — FSC 6625
  • Environmental Protection: DUST RESISTANT
  • Power Source: EXTERNAL
  • Accuracy in Percent: -2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
  • Indicator Type: DIAL W/POINTER
  • Circuit Construction Type: NONELECTRONIC
  • Sensitivity Rating: 99.0 MILLIVOLTS
  • Dial Scale Marking Color: BLACK SINGLE INDICATOR SINGLE RANGE
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Ammeter, cataloged under National Stock Number 6625-00-442-0196, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Simpson Electric Company, Inc.. Government technical data includes 27 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN6625-00-442-0196
Primary Part Number2790
Item NameAmmeter
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerSimpson Electric Company, Inc.
StatusACTIVE
Environmental ProtectionDUST RESISTANT
Power SourceEXTERNAL
Accuracy in Percent-2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
Indicator TypeDIAL W/POINTER
Circuit Construction TypeNONELECTRONIC
Sensitivity Rating99.0 MILLIVOLTS
Dial Scale Marking ColorBLACK SINGLE INDICATOR SINGLE RANGE
Scale Division Quantity75 SINGLE INDICATOR SINGLE RANGE
Meter Depth Behind Mounting Flange1.080 INCHES NOMINAL IN
Reliability IndicatorNOT ESTABLISHED
Mounting Arrangement StyleFOUR HOLE/STUD RECTANGULAR/SQUARE
Scale Graduation TypeLINEAR SINGLE INDICATOR SINGLE RANGE
ColorUNABLE TO DECODE
Style DesignatorRECTANGULAR FLUSH MTG
Features ProvidedZERO ADJUSTER
Nuclear Hardness Critical FeatureNONHARDENED
Circuit Attachment Method and Quantity2 SOLDER STUD
Circuit Current for Which DesignedDC
Meter Body Diameter Behind Mounting Flange2.730 INCHES NOMINAL IN
Movement TypeMOVING COIL, PERMANENT MAGNET
Installation DesignPANEL
FSC Application DataTEST SET,ELECT. EQUIP.
Pointer ColorBLACK SINGLE INDICATOR SINGLE RANGE
Mounting Facility Type and Quantity4 UNTHREADED HOLE(S)
Scale Selection MethodTERMINAL
Measurement Range-15.0 TO 15.0 AMPERES, DC SINGLE INDICATOR SINGLE RANGE
Mounting Hole Diameter0.125 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Criticality CodeN
Unit of IssueEA
SMR CodeLN
Verified Substitutes 12
4820-00-086-885708140 INTERCHANGEABLE
Stem,fluid Valve
Elkay Mfg Co Water Cooler Div
3110-00-100-0745150R5 INTERCHANGEABLE
Cone and Rollers,tapered Roller
Harbormaster Marine, Inc
5965-00-163-9947 INTERCHANGEABLE
Handset
6625-00-270-407902660 INTERCHANGEABLE
Ammeter
Simpson Electric Company, Inc.
2520-00-301-74208329375 INTERCHANGEABLE
Ring,cam,rotor,pump,winch
U S Army Tank Automotive Command Amsta-Im-Mm
4940-00-391-4554 INTERCHANGEABLE
Expander,hose
5330-00-447-34068A5058 INTERCHANGEABLE
Gasket
Napco International Llc Dba Napco International Inc
2530-00-469-78513004916 INTERCHANGEABLE
Parts Kit,hydraulic Brake Master
Chrysler Realty Company Llc Dba Daimler Chrysler
3030-00-528-3837 INTERCHANGEABLE
Belt,v
3030-00-528-4744 INTERCHANGEABLE
Belt,v
Cross-Reference Index
Part NumberManufacturer
2790 Simpson Electric Company, Inc. (USA)
1327C Simpson Electric Company, Inc. (USA)
Related Parts
4820-00-086-8857INTERCHANGEABLE
STEM,FLUID VALVE
08140
3110-00-100-0745INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
150R5
5965-00-163-9947INTERCHANGEABLE
HANDSET
6625-00-270-4079INTERCHANGEABLE
AMMETER
02660
2520-00-301-7420INTERCHANGEABLE
RING,CAM,ROTOR,PUMP,WINCH
8329375
4940-00-391-4554INTERCHANGEABLE
EXPANDER,HOSE
5330-00-447-3406INTERCHANGEABLE
GASKET
8A5058
2530-00-469-7851INTERCHANGEABLE
PARTS KIT,HYDRAULIC BRAKE MASTER
3004916
3030-00-528-3837INTERCHANGEABLE
BELT,V
3030-00-528-4744INTERCHANGEABLE
BELT,V
6625-00-902-5592INTERCHANGEABLE
AMMETER
6145-00-990-1965INTERCHANGEABLE
CABLE,SPECIAL PURPOSE,ELECTRICAL
1327C

Frequently Asked Questions

What is NSN 6625-00-442-0196?

NSN 6625-00-442-0196 is a Ammeter, manufactured by Simpson Electric Company, Inc., classified under FSC 6625 (No Item Name Available). Status: active.

What are the part numbers for NSN 6625-00-442-0196?

NSN 6625-00-442-0196 has 2 cross-referenced part numbers: 2790 (Simpson Electric Company, Inc.), 1327C (Simpson Electric Company, Inc.).

What NSN replaces 6625-00-442-0196?

There are 12 known substitutes for 6625-00-442-0196: 4820-00-086-8857, 3110-00-100-0745, 5965-00-163-9947 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2790?

Key specifications for 2790: Environmental Protection: DUST RESISTANT; Power Source: EXTERNAL; Accuracy in Percent: -2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE; Indicator Type: DIAL W/POINTER. 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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