PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

77C10885-1Voltmeter

Drs Training & Control Systems, Llc Dba Leonardo Drs Training & Control Systems, Llc Div Range, Control and Unmanned Systems · NSN 6625-01-128-7573 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-01-128-7573 — this item is cataloged by the U.S. Government under National Stock Number 6625-01-128-7573. Primary manufacturer part number: 77C10885-1.
Features
  • Voltmeter — FSC 6625
  • FSC Application Data: TEST SET,ELECT. EQUIP.
  • Meter Depth Behind Mounting Flange: 4.180 INCHES NOMINAL IN
  • Mounting Facility Type and Quantity: 4 UNTHREADED HOLE(S)
  • Meter Body Diameter Behind Mounting Flange: 2.810 INCHES NOMINAL IN
  • Circuit Attachment Method and Quantity: 4 BINDING POST
  • Measurement Range: +0.0 TO 10.0 KILOVOLTS, DC SINGLE INDICATOR SINGLE RANGE
  • Style Designator: RECTANGULAR FLUSH MTG
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Voltmeter, cataloged under National Stock Number 6625-01-128-7573, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Drs Training & Control Systems, Llc Dba Leonardo Drs Training & Control Systems, Llc Div Range, Control and Unmanned Systems. Government technical data includes 28 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 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
NSN6625-01-128-7573
Primary Part Number77C10885-1
Item NameVoltmeter
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerDrs Training & Control Systems, Llc Dba Leonardo Drs Training & Control Systems, Llc Div Range, Control and Unmanned Systems
StatusACTIVE
FSC Application DataTEST SET,ELECT. EQUIP.
Meter Depth Behind Mounting Flange4.180 INCHES NOMINAL IN
Mounting Facility Type and Quantity4 UNTHREADED HOLE(S)
Meter Body Diameter Behind Mounting Flange2.810 INCHES NOMINAL IN
Circuit Attachment Method and Quantity4 BINDING POST
Measurement Range+0.0 TO 10.0 KILOVOLTS, DC SINGLE INDICATOR SINGLE RANGE
Style DesignatorRECTANGULAR FLUSH MTG
Center to Center Distance Between Mounting Facilities Parallel to Width2.250 INCHES NOMINAL IN
Installation DesignPANEL
Mounting Hole Diameter0.150 INCHES NOMINAL IN
Circuit Current for Which DesignedDC
Center to Center Distance Between Mounting Facilities Parallel to Length2.250 INCHES NOMINAL IN
Mounting Arrangement StyleFOUR HOLE/STUD RECTANGULAR/SQUARE
Reliability IndicatorNOT ESTABLISHED
FSC Application DataTEST SET,ELECT. EQUIP.
Meter Depth Behind Mounting Flange4.180 INCHES NOMINAL IN
Mounting Facility Type and Quantity4 UNTHREADED HOLE(S)
Meter Body Diameter Behind Mounting Flange2.810 INCHES NOMINAL IN
Circuit Attachment Method and Quantity4 BINDING POST
Measurement Range+0.0 TO 10.0 KILOVOLTS, DC SINGLE INDICATOR SINGLE RANGE
Style DesignatorRECTANGULAR FLUSH MTG
Center to Center Distance Between Mounting Facilities Parallel to Width2.250 INCHES NOMINAL IN
Installation DesignPANEL
Mounting Hole Diameter0.150 INCHES NOMINAL IN
Circuit Current for Which DesignedDC
Center to Center Distance Between Mounting Facilities Parallel to Length2.250 INCHES NOMINAL IN
Mounting Arrangement StyleFOUR HOLE/STUD RECTANGULAR/SQUARE
Reliability IndicatorNOT ESTABLISHED
Lifecycle & Compliance
Acquisition StatusACTIVE
Successor6625-01-128-7575
HAZMATNo
Shelf Life Code0
Criticality CodeN
Unit of IssueEA
SMR CodeJN
Weight2.1000 lbs
Cube0.0994 cu ft
Verified Substitutes 10
Ammeter
Ammeter
5945-00-502-33111037150P1 INTERCHANGEABLE
Relay,meter Movement
Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems
5945-00-502-33931037153P1 INTERCHANGEABLE
Relay,meter Movement
Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems
5945-00-502-33941037152P1 INTERCHANGEABLE
Relay,meter Movement
Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems
1560-00-544-860416883 INTERCHANGEABLE
Trunnion Assy
Solar Turbines Incorporated Dba Solar Turbines Incorporated
5220-00-566-40481688-3 INTERCHANGEABLE
Gage,plug,thread
Stanley Engineered Fastening Llc
2910-00-787-9936 INTERCHANGEABLE
Carburetor,float
3020-00-972-990516883 INTERCHANGEABLE
Gear,spur
Moog Inc. Dba Ampac-Isp Corp
4730-01-446-723316883 INTERCHANGEABLE
Elbow,tube
Hyster-Yale Group, Inc. Div Hyster-Yale Materials Handling
Cross-Reference Index
Part NumberManufacturer
16883 Simpson Electric Company, Inc. (USA)
77C10885-1 PRIMARY Drs Training & Control Systems, Llc Dba Leonardo Drs Training & Control Systems, Llc Div Range, Control and Unmanned Systems (USA)
3323XA Simpson Electric Company, Inc. (USA)
Related Parts
SUCCESSOR 6625-01-128-7575 Ammeter
6625-01-128-7576SUCCESSOR
AMMETER
5945-00-502-3311INTERCHANGEABLE
RELAY,METER MOVEMENT
1037150P1
5945-00-502-3393INTERCHANGEABLE
RELAY,METER MOVEMENT
1037153P1
5945-00-502-3394INTERCHANGEABLE
RELAY,METER MOVEMENT
1037152P1
1560-00-544-8604INTERCHANGEABLE
TRUNNION ASSY
16883
5220-00-566-4048INTERCHANGEABLE
GAGE,PLUG,THREAD
1688-3
2910-00-787-9936INTERCHANGEABLE
CARBURETOR,FLOAT
3020-00-972-9905INTERCHANGEABLE
GEAR,SPUR
16883
4730-01-446-7233INTERCHANGEABLE
ELBOW,TUBE
16883

Frequently Asked Questions

What is NSN 6625-01-128-7573?

NSN 6625-01-128-7573 is a Voltmeter, manufactured by Drs Training & Control Systems, Llc Dba Leonardo Drs Training & Control Systems, Llc Div Range, Control and Unmanned Systems, classified under FSC 6625 (No Item Name Available). Status: active.

What are the part numbers for NSN 6625-01-128-7573?

NSN 6625-01-128-7573 has 3 cross-referenced part numbers: 16883 (Simpson Electric Company, Inc.), 77C10885-1 (Drs Training & Control Systems, Llc Dba Leonardo Drs Training & Control Systems, Llc Div Range, Control and Unmanned Systems), 3323XA (Simpson Electric Company, Inc.).

What NSN replaces 6625-01-128-7573?

There are 10 known substitutes for 6625-01-128-7573: 6625-01-128-7575, 6625-01-128-7576, 5945-00-502-3311 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 77C10885-1?

Key specifications for 77C10885-1: FSC Application Data: TEST SET,ELECT. EQUIP.; Meter Depth Behind Mounting Flange: 4.180 INCHES NOMINAL IN; Mounting Facility Type and Quantity: 4 UNTHREADED HOLE(S); Meter Body Diameter Behind Mounting Flange: 2.810 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