PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

00990Ammeter

Simpson Electric Company, Inc. · NSN 6625-01-071-1792 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-01-071-1792 — this item is cataloged by the U.S. Government under National Stock Number 6625-01-071-1792. Primary manufacturer part number: 00990.
Features
  • Ammeter — FSC 6625
  • Movement Type: MOVING IRON VANE
  • Color: UNABLE TO DECODE
  • Measurement Range: +0.0 TO 5.0 AMPERES, AC SINGLE INDICATOR SINGLE RANGE
  • Pointer Color: BLACK SINGLE INDICATOR SINGLE RANGE
  • Features Provided: ZERO ADJUSTER
  • Mounting Facility Type and Quantity: 3 UNTHREADED HOLE(S)
  • Overall Diameter: 3.500 INCHES NOMINAL IN
Applications
  • Applications requiring Plastic construction
General Description

The Ammeter, cataloged under National Stock Number 6625-01-071-1792, 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 29 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 1 manufacturer, 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
NSN6625-01-071-1792
Primary Part Number00990
Item NameAmmeter
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerSimpson Electric Company, Inc.
StatusACTIVE
Movement TypeMOVING IRON VANE
ColorUNABLE TO DECODE
Measurement Range+0.0 TO 5.0 AMPERES, AC SINGLE INDICATOR SINGLE RANGE
Pointer ColorBLACK SINGLE INDICATOR SINGLE RANGE
Features ProvidedZERO ADJUSTER
Mounting Facility Type and Quantity3 UNTHREADED HOLE(S)
Overall Diameter3.500 INCHES NOMINAL IN
Meter Depth Behind Mounting Flange2.010 INCHES NOMINAL IN
Circuit Construction TypeNONELECTRONIC
Scale Graduation TypeNONLINEAR SINGLE INDICATOR SINGLE RANGE
Meter Body Diameter Behind Mounting Flange2.750 INCHES NOMINAL IN
Panel for Which DesignedNONMAGNETIC
Dial Scale Marking ColorBLACK SINGLE INDICATOR SINGLE RANGE
MaterialPLASTIC
Nuclear Hardness Critical FeatureNONHARDENED
Accuracy in Percent-2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
Style DesignatorROUND FLUSH MTG
Installation DesignPANEL
Mounting Arrangement StyleTHREE HOLE/STUD BOLT CIRCLE
Frequency Response Range+25.000 TO 800.000 HERTZ
Power SourceEXTERNAL
Circuit Attachment Method and Quantity2 THREADED STUD
Circuit Current for Which DesignedAC
Mounting Hole Diameter0.157 INCHES NOMINAL IN
Mounting Bolt Circle Diameter3.160 INCHES NOMINAL IN
Indicator TypeDIAL W/POINTER
Measurement Range+0.0 TO 5.0 AMPERES, AC SINGLE INDICATOR SINGLE RANGE
Pointer ColorBLACK SINGLE INDICATOR SINGLE RANGE
Features ProvidedZERO ADJUSTER
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Weight0.4300 lbs
Cube0.0720 cu ft
Verified Substitutes 4
Contact Assembly,electrical
5999-00-759-5311 INTERCHANGEABLE
Contact Assembly,electrical
5365-01-110-1986 INTERCHANGEABLE
Plug,machine Thread
6750-01-383-2234 INTERCHANGEABLE
Paper,photographic
Cross-Reference Index
Part NumberManufacturer
0990 Simpson Electric Company, Inc. (USA)
00990 PRIMARY Simpson Electric Company, Inc. (USA)
55-00990 Simpson Electric Company, Inc. (USA)
55-0990 Simpson Electric Company, Inc. (USA)
Related Parts
5999-00-068-2522SUCCESSOR
CONTACT ASSEMBLY,ELECTRICAL
5999-00-759-5311INTERCHANGEABLE
CONTACT ASSEMBLY,ELECTRICAL
5365-01-110-1986INTERCHANGEABLE
PLUG,MACHINE THREAD
6750-01-383-2234INTERCHANGEABLE
PAPER,PHOTOGRAPHIC

Frequently Asked Questions

What is NSN 6625-01-071-1792?

NSN 6625-01-071-1792 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 6625-01-071-1792?

NSN 6625-01-071-1792 has 4 cross-referenced part numbers: 0990 (Simpson Electric Company, Inc.), 00990 (Simpson Electric Company, Inc.), 55-00990 (Simpson Electric Company, Inc.), 55-0990 (Simpson Electric Company, Inc.).

What NSN replaces 6625-01-071-1792?

There are 4 known substitutes for 6625-01-071-1792: 5999-00-068-2522, 5999-00-759-5311, 5365-01-110-1986 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 00990?

Key specifications for 00990: Movement Type: MOVING IRON VANE; Color: UNABLE TO DECODE; Measurement Range: +0.0 TO 5.0 AMPERES, AC SINGLE INDICATOR SINGLE RANGE; Pointer Color: BLACK SINGLE INDICATOR SINGLE RANGE. 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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