PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MMI-10628Meter,electrical Frequency

Custom Metering Company Inc · NSN 6625-01-136-2668 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-01-136-2668 — this item is cataloged by the U.S. Government under National Stock Number 6625-01-136-2668. Primary manufacturer part number: MMI-10628.
Features
  • Meter,electrical Frequency — FSC 6625
  • Center to Center Distance Between Mounting Facilities Parallel to Length: 3.375 INCHES NOMINAL IN
  • FSC Application Data: TEST SET,ELECT. EQUIP.
  • Surface Treatment: ENAMEL
  • Material: STEEL
  • Style Designator: RECTANGULAR FLUSH MTG
  • Color: UNABLE TO DECODE
  • Mounting Facility Type and Quantity: 4 THREADED STUD(S)
Applications
  • Applications requiring Steel construction
General Description

The Meter,electrical Frequency, cataloged under National Stock Number 6625-01-136-2668, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Custom Metering Company Inc. Government technical data includes 27 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN6625-01-136-2668
Primary Part NumberMMI-10628
Item NameMeter,electrical Frequency
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerCustom Metering Company Inc
StatusACTIVE
Center to Center Distance Between Mounting Facilities Parallel to Length3.375 INCHES NOMINAL IN
FSC Application DataTEST SET,ELECT. EQUIP.
Surface TreatmentENAMEL
MaterialSTEEL
Style DesignatorRECTANGULAR FLUSH MTG
ColorUNABLE TO DECODE
Mounting Facility Type and Quantity4 THREADED STUD(S)
Pointer ColorBLACK SINGLE INDICATOR SINGLE RANGE
Circuit Attachment Method and Quantity2 THREADED STUD
Features ProvidedZERO ADJUSTER
Scale Graduation TypeLINEAR SINGLE INDICATOR SINGLE RANGE
Movement Suspension MethodTAUT BAND
Operating Voltage Rating in Volts110.0 AC MINIMUM AND 130.0 AC MAXIMUM
Power SourceEXTERNAL
Measurement Range+55.0 TO 65.0 HERTZ SINGLE INDICATOR SINGLE RANGE
Mounting Stud Diameter0.250 INCHES NOMINAL IN
Scale Division Quantity40 SINGLE INDICATOR SINGLE RANGE
Meter Depth Behind Mounting Flange2.980 INCHES NOMINAL IN
Dial Scale Marking ColorBLACK SINGLE INDICATOR SINGLE RANGE
Mounting Arrangement StyleFOUR HOLE/STUD RECTANGULAR/SQUARE
Movement TypeMOVING COIL, PERMANENT MAGNET
Indicator TypeDIAL W/POINTER
Center to Center Distance Between Mounting Facilities Parallel to Width3.375 INCHES NOMINAL IN
Environmental ProtectionSHOCK RESISTANT AND VIBRATION RESISTANT AND WATER RESISTANT
Frequency Response Range+55.000 TO 65.000 HERTZ
Meter Body Diameter Behind Mounting Flange3.970 INCHES NOMINAL IN
Dielectric Withstanding Voltage in Volts2000.0
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Criticality CodeQ
Unit of IssueEA
SMR CodeJN
Weight2.2500 lbs
Cube0.1895 cu ft
Verified Substitutes 10
Meter,modulation
6660-00-551-4682DB14 INTERCHANGEABLE
Indicator,wind Speed
General Electric Company
5975-00-959-6187CG87100 INTERCHANGEABLE
Box Connector,electrical
Egs Electrical Group Appleton Div
3424-00-969-0528DB14 INTERCHANGEABLE
Block,diamond Sentry
Sentry Company
6680-01-219-1199DB14-17 INTERCHANGEABLE
Indicator,electrical Tachometer
Dynalec Corporation
6625-01-261-52831047127-1 INTERCHANGEABLE
Ammeter
L3harris Technologies, Inc.
6625-01-281-4005925312-0012 INTERCHANGEABLE
Meter,special Scale
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
5110-01-342-9267 INTERCHANGEABLE
Deburring Tool,tube,exposed Blad
6625-01-377-0148CDHSX00110 INTERCHANGEABLE
Meter,special Scale
Hughes Corp Div Weschler Electric
6625-01-525-7096 INTERCHANGEABLE
Meter,special Scale
Cross-Reference Index
Part NumberManufacturer
078-41LJ-PNAN Crompton Modutec Inc (USA)
078-41LJ-PNAN Tyco Electronics Crompton Instrument (USA)
41LJPNAN-TYPE 078-55 Tyco Electronics Crompton Instrument (USA)
2830-1317-PNAN Crompton Modutec Inc (USA)
91395 03 003 Basler Electric Co (USA)
41LJPNAN-TYPE 078 Tyco Electronics Crompton Instrument (USA)
DB14 Yokogawa Corporation of America (USA)
078-415A-PNAN Tyco Electronics Crompton Instrument (USA)
MMI-10628 PRIMARY Custom Metering Company Inc (USA)
324-6258908 ITEM 3 Naval Sea Systems Command (USA)
Related Parts
6625-01-097-2121SUCCESSOR
METER,MODULATION
6660-00-551-4682INTERCHANGEABLE
INDICATOR,WIND SPEED
DB14
5975-00-959-6187INTERCHANGEABLE
BOX CONNECTOR,ELECTRICAL
CG87100
3424-00-969-0528INTERCHANGEABLE
BLOCK,DIAMOND SENTRY
DB14
6680-01-219-1199INTERCHANGEABLE
INDICATOR,ELECTRICAL TACHOMETER
DB14-17
6625-01-261-5283INTERCHANGEABLE
AMMETER
1047127-1
6625-01-281-4005INTERCHANGEABLE
METER,SPECIAL SCALE
925312-0012
5110-01-342-9267INTERCHANGEABLE
DEBURRING TOOL,TUBE,EXPOSED BLAD
6625-01-377-0148INTERCHANGEABLE
METER,SPECIAL SCALE
CDHSX00110
6625-01-525-7096INTERCHANGEABLE
METER,SPECIAL SCALE

Frequently Asked Questions

What is NSN 6625-01-136-2668?

NSN 6625-01-136-2668 is a Meter,electrical Frequency, manufactured by Custom Metering Company Inc, classified under FSC 6625 (No Item Name Available). Status: active.

What are the part numbers for NSN 6625-01-136-2668?

NSN 6625-01-136-2668 has 10 cross-referenced part numbers: 078-41LJ-PNAN (Crompton Modutec Inc), 078-41LJ-PNAN (Tyco Electronics Crompton Instrument), 41LJPNAN-TYPE 078-55 (Tyco Electronics Crompton Instrument), 2830-1317-PNAN (Crompton Modutec Inc), 91395 03 003 (Basler Electric Co) and 5 more.

What NSN replaces 6625-01-136-2668?

There are 10 known substitutes for 6625-01-136-2668: 6625-01-097-2121, 6660-00-551-4682, 5975-00-959-6187 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MMI-10628?

Key specifications for MMI-10628: Overall Height: 4.300 INCHES NOMINAL IN; Center to Center Distance Between Mounting Facilities Parallel to Length: 3.375 INCHES NOMINAL IN; Overall Length: 5.730 INCHES NOMINAL IN; Overall Width: 4.300 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.
PartsTable Design LLC · partstable.com