PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

044663Ohmmeter

Simmonds Precision Products Inc · NSN 6625-01-121-9593 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-01-121-9593 — this item is cataloged by the U.S. Government under National Stock Number 6625-01-121-9593. Primary manufacturer part number: 044663.
Features
  • Ohmmeter — FSC 6625
  • Scale Division Quantity: 100 SINGLE INDICATOR SINGLE RANGE
  • Accuracy in Percent: -2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
  • Mounting Arrangement Style: THREE HOLE/STUD BOLT CIRCLE
  • Furnished Items and Quantity: NUT 7; LOCKWASHER 5; SEAL 1
  • Overall Diameter: 2.695 INCHES NOMINAL IN
  • Sensitivity Rating: 100.0 OHMS
  • Meter Depth Behind Mounting Flange: 1.190 INCHES NOMINAL IN
Applications
  • Applications requiring Steel construction
General Description

The Ohmmeter, cataloged under National Stock Number 6625-01-121-9593, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Simmonds Precision Products Inc. Government technical data includes 28 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN6625-01-121-9593
Primary Part Number044663
Item NameOhmmeter
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerSimmonds Precision Products Inc
StatusACTIVE
Scale Division Quantity100 SINGLE INDICATOR SINGLE RANGE
Accuracy in Percent-2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
Mounting Arrangement StyleTHREE HOLE/STUD BOLT CIRCLE
Furnished Items and QuantityNUT 7; LOCKWASHER 5; SEAL 1
Overall Diameter2.695 INCHES NOMINAL IN
Sensitivity Rating100.0 OHMS
Meter Depth Behind Mounting Flange1.190 INCHES NOMINAL IN
Meter Body Diameter Behind Mounting Flange2.060 INCHES NOMINAL IN
MaterialSTEEL
Dial Scale Marking ColorBLACK SINGLE INDICATOR SINGLE RANGE
Mounting Hole Diameter0.125 INCHES NOMINAL IN
Mounting Bolt Circle Diameter2.440 INCHES NOMINAL IN
Movement TypeMOVING COIL, PERMANENT MAGNET
Installation DesignPANEL
Special MarkingsON BACK,SEALED DO NOT OPEN
Dielectric Withstanding Voltage in Volts3000.0
Circuit Current for Which DesignedDC
Style DesignatorROUND FLUSH MTG
Features ProvidedMAGNETIC SHIELD AND ZERO ADJUSTER
Pointer ColorBLACK SINGLE INDICATOR SINGLE RANGE
Surface TreatmentCHROMATE
Scale Graduation TypeLINEAR SINGLE INDICATOR SINGLE RANGE
Measurement Range+0.0 TO 10000.0 MEGOHMS SINGLE INDICATOR SINGLE RANGE
Circuit Attachment Method and Quantity2 SOLDER LUG AND 2 THREADED STUD
Power SourceEXTERNAL
Mounting Facility Type and Quantity3 SCREW AND 3 UNTHREADED HOLE(S)
Movement Suspension MethodJEWEL PIVOT BASE
ColorUNABLE TO DECODE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Criticality CodeN
Unit of IssueEA
SMR CodeJN
Verified Substitutes 9
6625-00-004-844610238174 SUCCESSOR
Ammeter
Us Army Aviation and Missile Command
6625-00-332-6211SC-C-24420 SUCCESSOR
Multimeter
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
6625-00-476-1875476-0255-010 SUCCESSOR
Wattmeter
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
6625-00-624-0137331C147H02 SUCCESSOR
Meter,special Scale
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
6625-00-877-0678331C147H09 SUCCESSOR
Meter,arbitrary Scale
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
6625-01-272-6290A80040 SUCCESSOR
Ammeter
Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings)
6625-00-115-27528854800001 INTERCHANGEABLE
Voltmeter
Gulton-Statham Transducers Inc
5330-00-152-8677655100 INTERCHANGEABLE
Retainer,packing
Naval Sea Systems Command
6625-00-225-7623125SRSPEC22D7-250 INTERCHANGEABLE
Voltmeter
Bach-Simpson Ltd
Cross-Reference Index
Part NumberManufacturer
044663 PRIMARY Simmonds Precision Products Inc (USA)
125SR Bach-Simpson Ltd (CAN)
125R Simpson Electric Company, Inc. (USA)
621 Phaostron Instrument and Electronic Company (USA)
26-5824 Ideal Precision Meter Co Dba Ideal Precision Meter Co (USA)
265-1122 Jewell Instruments Llc (USA)
Related Parts
6625-00-004-8446SUCCESSOR
AMMETER
10238174
6625-00-332-6211SUCCESSOR
MULTIMETER
SC-C-24420
6625-00-476-1875SUCCESSOR
WATTMETER
476-0255-010
6625-00-624-0137SUCCESSOR
METER,SPECIAL SCALE
331C147H02
6625-00-877-0678SUCCESSOR
METER,ARBITRARY SCALE
331C147H09
6625-01-272-6290SUCCESSOR
AMMETER
A80040
6625-00-115-2752INTERCHANGEABLE
VOLTMETER
8854800001
5330-00-152-8677INTERCHANGEABLE
RETAINER,PACKING
655100
6625-00-225-7623INTERCHANGEABLE
VOLTMETER
125SRSPEC22D7-250

Frequently Asked Questions

What is NSN 6625-01-121-9593?

NSN 6625-01-121-9593 is a Ohmmeter, manufactured by Simmonds Precision Products Inc, classified under FSC 6625 (No Item Name Available). Status: active.

What are the part numbers for NSN 6625-01-121-9593?

NSN 6625-01-121-9593 has 6 cross-referenced part numbers: 044663 (Simmonds Precision Products Inc), 125SR (Bach-Simpson Ltd), 125R (Simpson Electric Company, Inc.), 621 (Phaostron Instrument and Electronic Company), 26-5824 (Ideal Precision Meter Co Dba Ideal Precision Meter Co) and 1 more.

What NSN replaces 6625-01-121-9593?

There are 9 known substitutes for 6625-01-121-9593: 6625-00-004-8446, 6625-00-332-6211, 6625-00-476-1875 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 044663?

Key specifications for 044663: Scale Division Quantity: 100 SINGLE INDICATOR SINGLE RANGE; Accuracy in Percent: -2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE; Mounting Arrangement Style: THREE HOLE/STUD BOLT CIRCLE; Furnished Items and Quantity: NUT 7; LOCKWASHER 5; SEAL 1. 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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