PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

ARX194-35Meter,electrical Frequency

Frontgrade Technologies Inc. Dba Frontgrade Technologies Inc. · NSN 6625-00-058-0357 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-00-058-0357 — this item is cataloged by the U.S. Government under National Stock Number 6625-00-058-0357. Primary manufacturer part number: ARX194-35.
Features
  • Meter,electrical Frequency — FSC 6625
  • Installation Design: PANEL
  • Mounting Arrangement Style: THREE HOLE/STUD BOLT CIRCLE
  • Measurement Range: +0.0 TO 1.0 HERTZ SINGLE INDICATOR SINGLE RANGE
  • Meter Depth Behind Mounting Flange: 1.660 INCHES NOMINAL IN
  • Overall Diameter: 3.500 INCHES NOMINAL IN
  • Mounting Bolt Circle Diameter: 3.160 INCHES NOMINAL IN
  • Mounting Facility Type and Quantity: 3 UNTHREADED HOLE(S)
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Meter,electrical Frequency, cataloged under National Stock Number 6625-00-058-0357, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Frontgrade Technologies Inc. Dba Frontgrade Technologies Inc.. Government technical data includes 22 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, 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
NSN6625-00-058-0357
Primary Part NumberARX194-35
Item NameMeter,electrical Frequency
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerFrontgrade Technologies Inc. Dba Frontgrade Technologies Inc.
StatusACTIVE
Installation DesignPANEL
Mounting Arrangement StyleTHREE HOLE/STUD BOLT CIRCLE
Measurement Range+0.0 TO 1.0 HERTZ SINGLE INDICATOR SINGLE RANGE
Meter Depth Behind Mounting Flange1.660 INCHES NOMINAL IN
Overall Diameter3.500 INCHES NOMINAL IN
Mounting Bolt Circle Diameter3.160 INCHES NOMINAL IN
Mounting Facility Type and Quantity3 UNTHREADED HOLE(S)
Meter Body Diameter Behind Mounting Flange2.800 INCHES NOMINAL IN
Style DesignatorROUND FLUSH MTG
Mounting Hole Diameter0.144 INCHES NOMINAL IN
Circuit Attachment Method and Quantity2 SOLDERLESS LUG
Installation DesignPANEL
Mounting Arrangement StyleTHREE HOLE/STUD BOLT CIRCLE
Measurement Range+0.0 TO 1.0 HERTZ SINGLE INDICATOR SINGLE RANGE
Meter Depth Behind Mounting Flange1.660 INCHES NOMINAL IN
Overall Diameter3.500 INCHES NOMINAL IN
Mounting Bolt Circle Diameter3.160 INCHES NOMINAL IN
Mounting Facility Type and Quantity3 UNTHREADED HOLE(S)
Meter Body Diameter Behind Mounting Flange2.800 INCHES NOMINAL IN
Style DesignatorROUND FLUSH MTG
Mounting Hole Diameter0.144 INCHES NOMINAL IN
Circuit Attachment Method and Quantity2 SOLDERLESS LUG
Lifecycle & Compliance
Acquisition StatusACTIVE
Successor6625-00-995-3806 (7709299P021)
HAZMATNo
Shelf Life Code0
Unit of IssueEA
SMR CodeY
Verified Substitutes 12
6625-00-995-38067709299P021 SUCCESSOR
Voltmeter
Lockheed Martin Corporation Div Rms
6625-01-075-9209SM-C-889062 SUCCESSOR
Ammeter
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
6625-01-088-97210222-401 SUCCESSOR
Modulator,pin
Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems
6625-00-091-9953 INTERCHANGEABLE
Meter,multiple Scale
6625-00-255-1047 INTERCHANGEABLE
Meter,arbitrary Scale
6625-00-403-7350 INTERCHANGEABLE
Meter,arbitrary Scale
6625-00-403-7351 INTERCHANGEABLE
Meter,special Scale
6625-00-472-7849 INTERCHANGEABLE
Meter,special Scale
6625-00-472-7853 INTERCHANGEABLE
Meter,special Scale
6625-00-683-95427709299P10 INTERCHANGEABLE
Meter,special Scale
Lockheed Martin Corporation Div Rms
Cross-Reference Index
Part NumberManufacturer
ARX194-35 PRIMARY Frontgrade Technologies Inc. Dba Frontgrade Technologies Inc. (USA)
1539 Solartron Electronics Inc Weston Instruments Div (USA)
Related Parts
SUCCESSOR 6625-00-995-3806 Voltmeter · 7709299P021
6625-01-075-9209SUCCESSOR
AMMETER
SM-C-889062
6625-01-088-9721SUCCESSOR
MODULATOR,PIN
0222-401
6625-00-091-9953INTERCHANGEABLE
METER,MULTIPLE SCALE
6625-00-255-1047INTERCHANGEABLE
METER,ARBITRARY SCALE
6625-00-403-7350INTERCHANGEABLE
METER,ARBITRARY SCALE
6625-00-403-7351INTERCHANGEABLE
METER,SPECIAL SCALE
6625-00-472-7849INTERCHANGEABLE
METER,SPECIAL SCALE
6625-00-472-7853INTERCHANGEABLE
METER,SPECIAL SCALE
6625-00-683-9542INTERCHANGEABLE
METER,SPECIAL SCALE
7709299P10
6625-00-893-0506INTERCHANGEABLE
VOLTMETER
2105897
6625-00-978-2851INTERCHANGEABLE
METER,ARBITRARY SCALE
60A54C133

Frequently Asked Questions

What is NSN 6625-00-058-0357?

NSN 6625-00-058-0357 is a Meter,electrical Frequency, manufactured by Frontgrade Technologies Inc. Dba Frontgrade Technologies Inc., classified under FSC 6625 (No Item Name Available). Status: active.

What are the part numbers for NSN 6625-00-058-0357?

NSN 6625-00-058-0357 has 2 cross-referenced part numbers: ARX194-35 (Frontgrade Technologies Inc. Dba Frontgrade Technologies Inc.), 1539 (Solartron Electronics Inc Weston Instruments Div).

What NSN replaces 6625-00-058-0357?

There are 12 known substitutes for 6625-00-058-0357: 6625-00-995-3806, 6625-01-075-9209, 6625-01-088-9721 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of ARX194-35?

Key specifications for ARX194-35: Installation Design: PANEL; Mounting Arrangement Style: THREE HOLE/STUD BOLT CIRCLE; Measurement Range: +0.0 TO 1.0 HERTZ SINGLE INDICATOR SINGLE RANGE; Meter Depth Behind Mounting Flange: 1.660 INCHES NOMINAL IN. 22 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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