PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

17704Ammeter

Simpson Electric Company, Inc. · NSN 6625-01-340-3664 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-01-340-3664 — this item is cataloged by the U.S. Government under National Stock Number 6625-01-340-3664. Primary manufacturer part number: 17704.
Features
  • Ammeter — FSC 6625
  • Mounting Arrangement Style: FOUR HOLE/STUD RECTANGULAR/SQUARE
  • Meter Body Diameter Behind Mounting Flange: 2.690 INCHES NOMINAL IN
  • Frequency Response Range: +25.000 TO 800.000 HERTZ
  • Sensitivity Rating: 50.0 AMPERES
  • Center to Center Distance Between Mounting Facilities Parallel to Length: 2.240 INCHES NOMINAL IN
  • Panel for Which Designed: MAGNETIC OR NONMAGNETIC
  • Circuit Attachment Method and Quantity: 2 THREADED STUD
Applications
  • Applications requiring Plastic Phenolic construction
General Description

The Ammeter, cataloged under National Stock Number 6625-01-340-3664, 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 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN6625-01-340-3664
Primary Part Number17704
Item NameAmmeter
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerSimpson Electric Company, Inc.
StatusACTIVE
Mounting Arrangement StyleFOUR HOLE/STUD RECTANGULAR/SQUARE
Meter Body Diameter Behind Mounting Flange2.690 INCHES NOMINAL IN
Frequency Response Range+25.000 TO 800.000 HERTZ
Sensitivity Rating50.0 AMPERES
Center to Center Distance Between Mounting Facilities Parallel to Length2.240 INCHES NOMINAL IN
Panel for Which DesignedMAGNETIC OR NONMAGNETIC
Circuit Attachment Method and Quantity2 THREADED STUD
Dial Scale Marking ColorBLACK SINGLE INDICATOR SINGLE RANGE
Accuracy in Percent-2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
Meter Depth Behind Mounting Flange1.340 INCHES NOMINAL IN
Movement TypeMOVING IRON VANE
ColorUNABLE TO DECODE
FSC Application DataELEC,ELECT. PROPERTIES MEASURING AND TEST INSTRUMENTS
Nuclear Hardness Critical FeatureNONHARDENED
MaterialPLASTIC PHENOLIC
Measurement Range+0.0 TO 50.0 AMPERES, AC SINGLE INDICATOR SINGLE RANGE
Mounting Stud Diameter0.112 INCHES NOMINAL IN
Features ProvidedKNIFE EDGE POINTER AND MAGNETIC SHIELD AND ZERO ADJUSTER
Mounting Facility Type and Quantity4 THREADED STUD(S)
Power SourceEXTERNAL
Pointer ColorBLACK SINGLE INDICATOR SINGLE RANGE
Movement Suspension MethodJEWEL PIVOT BASE
Scale Graduation TypeNONLINEAR SINGLE INDICATOR SINGLE RANGE
Circuit Construction TypeNONELECTRONIC
Furnished Items and QuantityNUT 6; WASHER 6
Installation DesignPANEL
Mounting Stud Length0.530 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Unit of IssueEA
SMR CodeJ
Verified Substitutes 3
3455-00-227-9807INVOLUTE PITCH3 NO.1 5-1/4 INTERCHANGEABLE
Cutter,milling,involute Gear
F & D Tool Co Inc
5962-01-076-6615932820-69 INTERCHANGEABLE
Microcircuit,memory
Raytheon Company Dba Raytheon
7930-01-566-23971600302 INTERCHANGEABLE
Cleaner,industrial,multi Purpose
Ecolab Inc
Cross-Reference Index
Part NumberManufacturer
17704 PRIMARY Simpson Electric Company, Inc. (USA)
2153-17704 Simpson Electric Company, Inc. (USA)
2153-0-50AAC Simpson Electric Company, Inc. (USA)
Related Parts
3455-00-227-9807INTERCHANGEABLE
CUTTER,MILLING,INVOLUTE GEAR
INVOLUTE PITCH3 NO.1 5-1/4
5962-01-076-6615INTERCHANGEABLE
MICROCIRCUIT,MEMORY
932820-69
7930-01-566-2397INTERCHANGEABLE
CLEANER,INDUSTRIAL,MULTI PURPOSE
1600302

Frequently Asked Questions

What is NSN 6625-01-340-3664?

NSN 6625-01-340-3664 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 6625-01-340-3664?

NSN 6625-01-340-3664 has 3 cross-referenced part numbers: 17704 (Simpson Electric Company, Inc.), 2153-17704 (Simpson Electric Company, Inc.), 2153-0-50AAC (Simpson Electric Company, Inc.).

What NSN replaces 6625-01-340-3664?

There are 3 known substitutes for 6625-01-340-3664: 3455-00-227-9807, 5962-01-076-6615, 7930-01-566-2397. Verify interchangeability with system specifications before substitution.

What are the specifications of 17704?

Key specifications for 17704: Mounting Arrangement Style: FOUR HOLE/STUD RECTANGULAR/SQUARE; Meter Body Diameter Behind Mounting Flange: 2.690 INCHES NOMINAL IN; Frequency Response Range: +25.000 TO 800.000 HERTZ; Overall Height: 3.000 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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