PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

17404Ammeter

Simpson Electric Company, Inc. · NSN 6625-01-018-1086 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-01-018-1086 — this item is cataloged by the U.S. Government under National Stock Number 6625-01-018-1086. Primary manufacturer part number: 17404.
Features
  • Ammeter — FSC 6625
  • Center to Center Distance Between Mounting Facilities Parallel to Width: 188.0 MILLIMETERS NOMINAL MM
  • Measurement Range: +0.0 TO 5.0 AMPERES, DC SINGLE INDICATOR SINGLE RANGE
  • Scale Division Quantity: 50 SINGLE INDICATOR SINGLE RANGE
  • Dial Scale Marking Color: BLACK SINGLE INDICATOR SINGLE RANGE
  • Movement Type: MOVING IRON VANE
  • Installation Design: PANEL
  • Circuit Attachment Method and Quantity: 2 THREADED STUD
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Ammeter, cataloged under National Stock Number 6625-01-018-1086, 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 26 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. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN6625-01-018-1086
Primary Part Number17404
Item NameAmmeter
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerSimpson Electric Company, Inc.
StatusACTIVE
Center to Center Distance Between Mounting Facilities Parallel to Width188.0 MILLIMETERS NOMINAL MM
Measurement Range+0.0 TO 5.0 AMPERES, DC SINGLE INDICATOR SINGLE RANGE
Scale Division Quantity50 SINGLE INDICATOR SINGLE RANGE
Dial Scale Marking ColorBLACK SINGLE INDICATOR SINGLE RANGE
Movement TypeMOVING IRON VANE
Installation DesignPANEL
Circuit Attachment Method and Quantity2 THREADED STUD
Meter Depth Behind Mounting Flange1.340 INCHES NOMINAL IN
Mounting Stud Length53.0 MILLIMETERS NOMINAL MM
FSC Application DataTEST SET,ELECT. EQUIP.
Mounting Facility Type and Quantity4 THREADED STUD(S)
Style DesignatorRECTANGULAR FLUSH MTG
ColorUNABLE TO DECODE
Accuracy in Percent-2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
Movement Suspension MethodTAUT BAND
Center to Center Distance Between Mounting Facilities Parallel to Length188.0 MILLIMETERS NOMINAL MM
Mounting Stud Diameter0.250 INCHES NOMINAL IN
Circuit Current for Which DesignedDC
Features ProvidedZERO ADJUSTER
Meter Body Diameter Behind Mounting Flange2.160 INCHES NOMINAL IN
Mounting Arrangement StyleFOUR HOLE/STUD RECTANGULAR/SQUARE
Reliability IndicatorNOT ESTABLISHED
Center to Center Distance Between Mounting Facilities Parallel to Width188.0 MILLIMETERS NOMINAL MM
Measurement Range+0.0 TO 5.0 AMPERES, DC SINGLE INDICATOR SINGLE RANGE
Scale Division Quantity50 SINGLE INDICATOR SINGLE RANGE
Dial Scale Marking ColorBLACK SINGLE INDICATOR SINGLE RANGE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Criticality CodeN
Unit of IssueEA
SMR CodeJN
Verified Substitutes 7
5365-00-640-8740NCA17404 INTERCHANGEABLE
Spacer,sleeve
Curtiss-Wright Electro-Mechanical Corporation Div Epd
4310-00-872-809617-404 INTERCHANGEABLE
Pin,piston
Dresser Industries Inc Leroi Div
5305-01-189-843417404 INTERCHANGEABLE
Screw,cap,socket Head
Moog Inc. Dba Ampac-Isp Corp
5315-01-296-188517-404 INTERCHANGEABLE
Pin
Rix Industries
5330-01-437-661817404 INTERCHANGEABLE
Seal,plain Encased
Skf Usa Inc. Dba Skf Aerospace Sealing Solutions
6515-01-585-6369400441 INTERCHANGEABLE
Cleaner,wound,medical
B. Braun Medical Inc
5930-01-708-354317404 INTERCHANGEABLE
Switch Subassembly
Extreme Networks, Inc
Cross-Reference Index
Part NumberManufacturer
17404 PRIMARY Simpson Electric Company, Inc. (USA)
CSV17404 Simpson Electric Company, Inc. (USA)
Related Parts
5365-00-640-8740INTERCHANGEABLE
SPACER,SLEEVE
NCA17404
4310-00-872-8096INTERCHANGEABLE
PIN,PISTON
17-404
5305-01-189-8434INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
17404
5315-01-296-1885INTERCHANGEABLE
PIN
17-404
5330-01-437-6618INTERCHANGEABLE
SEAL,PLAIN ENCASED
17404
6515-01-585-6369INTERCHANGEABLE
CLEANER,WOUND,MEDICAL
400441
5930-01-708-3543INTERCHANGEABLE
SWITCH SUBASSEMBLY
17404

Frequently Asked Questions

What is NSN 6625-01-018-1086?

NSN 6625-01-018-1086 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 6625-01-018-1086?

NSN 6625-01-018-1086 has 2 cross-referenced part numbers: 17404 (Simpson Electric Company, Inc.), CSV17404 (Simpson Electric Company, Inc.).

What NSN replaces 6625-01-018-1086?

There are 7 known substitutes for 6625-01-018-1086: 5365-00-640-8740, 4310-00-872-8096, 5305-01-189-8434 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 17404?

Key specifications for 17404: Center to Center Distance Between Mounting Facilities Parallel to Width: 188.0 MILLIMETERS NOMINAL MM; Measurement Range: +0.0 TO 5.0 AMPERES, DC SINGLE INDICATOR SINGLE RANGE; Overall Width: 2.380 INCHES NOMINAL IN; Scale Division Quantity: 50 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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