PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

335377Voltmeter

Lockheed Martin Corporation Div Rms - Mitchel Field · NSN 6625-00-538-9246 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-00-538-9246 — this item is cataloged by the U.S. Government under National Stock Number 6625-00-538-9246. Primary manufacturer part number: 335377.
Features
  • Voltmeter — FSC 6625
  • Specification/standard Data: 81349-MIL-M-10304/6 GOVERNMENT SPECIFICATION
  • Style Designator: ROUND FLUSH MTG
  • Special Test Features: ENVIRONMENTALS PER MIL-STD-202
  • Nuclear Hardness Critical Feature: NONHARDENED
  • Overall Diameter: 2.695 INCHES MAXIMUM IN
  • Scale Division Quantity: 50 SINGLE INDICATOR SINGLE RANGE
  • Furnished Items and Quantity: NUT 7; LOCKWASHER 5; SEAL 1
Applications
  • Applications requiring Steel Corrosion Resisting construction
General Description

The Voltmeter, cataloged under National Stock Number 6625-00-538-9246, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Lockheed Martin Corporation Div Rms - Mitchel Field. Government technical data includes 28 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN6625-00-538-9246
Primary Part Number335377
Item NameVoltmeter
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerLockheed Martin Corporation Div Rms - Mitchel Field
StatusCANCELLED
Specification/standard Data81349-MIL-M-10304/6 GOVERNMENT SPECIFICATION
Style DesignatorROUND FLUSH MTG
Special Test FeaturesENVIRONMENTALS PER MIL-STD-202
Nuclear Hardness Critical FeatureNONHARDENED
Overall Diameter2.695 INCHES MAXIMUM IN
Scale Division Quantity50 SINGLE INDICATOR SINGLE RANGE
Furnished Items and QuantityNUT 7; LOCKWASHER 5; SEAL 1
Meter Body Diameter Behind Mounting Flange2.210 INCHES MAXIMUM IN
Frequency Rating400.0 HERTZ NOMINAL
Surface Treatment Document and ClassificationMIL-F-14072 MIL SPEC SINGLE TREATMENT RESPONSE
ColorUNABLE TO DECODE
Measurement Range+0.0 TO 150.0 VOLTS, AC SINGLE INDICATOR SINGLE RANGE
Installation DesignPANEL
Indicator TypeDIAL W/POINTER
Movement TypeMOVING IRON VANE
FSC Application DataELECTRICAL,ELECTRONIC PROPERTIES MEASURING AND TEST INSTRUMENTS
Mounting Arrangement StyleTHREE HOLE/STUD BOLT CIRCLE
Surface TreatmentENAMEL SEMIGLOSS
Test Data Document81349-MIL-M-10304 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
Mounting Bolt Circle Diameter2.440 INCHES NOMINAL IN
Pointer ColorBLACK SINGLE INDICATOR SINGLE RANGE
MaterialSTEEL CORROSION RESISTING
Accuracy in Percent-2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
Sensitivity Rating4.0 VOLT-AMPERES
Environmental ProtectionCOLD RESISTANT AND HEAT RESISTANT AND SHOCK RESISTANT AND SUBMERSIBLE AND VIBRATION RESISTANT AND WATERTIGHT
Circuit Attachment Method and Quantity2 SOLDER LUG AND 2 THREADED STUD
Movement Suspension MethodJEWEL PIVOT BASE
Dielectric Withstanding Voltage in Volts3000.0
Lifecycle & Compliance
Acquisition StatusCANCELLED
Successor6625-00-555-3094
HAZMATNo
Shelf Life Code0
Criticality CodeQ
Unit of IssueEA
SMR CodeZZ
Weight0.5000 lbs
Cube0.0208 cu ft
Verified Substitutes 12
6625-00-407-683510669479 SUCCESSOR
Multimeter
Us Army Aviation and Missile Command
6625-00-498-6434CX12046U8IN SUCCESSOR
Lead Set,test
Joint Electronics Type Designation System
Meter,audio Level
6625-00-504-2107112-40 SUCCESSOR
Meter,arbitrary Scale
Keysight Technologies Inc
6625-00-510-66308174005 SUCCESSOR
Meter,arbitrary Scale
Us Army Aviation and Missile Command
Voltmeter
Ammeter
Voltmeter
Voltmeter
Ammeter
Cross-Reference Index
Part NumberManufacturer
335377 Lockheed Martin Corporation Div Rms - Mitchel Field (USA)
7708768P12 Lockheed Martin Corporation Div Rms (USA)
MR26W150AFVVR Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-M-10304/6 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
135368-000 Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems (USA)
MIL-PRF-10304/6 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
1521 Solartron Electronics Inc Weston Instruments Div (USA)
72-29957A02 Motorola Inc. Dba Integrated Information Systems Group (USA)
Related Parts
SUCCESSOR 6625-00-555-3094 Voltmeter
6625-00-407-6835SUCCESSOR
MULTIMETER
10669479
6625-00-498-6434SUCCESSOR
LEAD SET,TEST
CX12046U8IN
6625-00-500-0927SUCCESSOR
METER,AUDIO LEVEL
6625-00-504-2107SUCCESSOR
METER,ARBITRARY SCALE
112-40
6625-00-510-6630SUCCESSOR
METER,ARBITRARY SCALE
8174005
6625-00-539-8818SUCCESSOR
VOLTMETER
6625-00-553-0613SUCCESSOR
AMMETER
6625-00-580-9545SUCCESSOR
VOLTMETER
6625-00-585-9956SUCCESSOR
AMMETER
6625-00-624-0135SUCCESSOR
METER,ARBITRARY SCALE
331C147H03
6625-00-643-1804SUCCESSOR
VOLTMETER
107A9D

Frequently Asked Questions

What is NSN 6625-00-538-9246?

NSN 6625-00-538-9246 is a Voltmeter, manufactured by Lockheed Martin Corporation Div Rms - Mitchel Field, classified under FSC 6625 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6625-00-538-9246?

NSN 6625-00-538-9246 has 8 cross-referenced part numbers: 335377 (Lockheed Martin Corporation Div Rms - Mitchel Field), 7708768P12 (Lockheed Martin Corporation Div Rms), MR26W150AFVVR (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-M-10304/6 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 135368-000 (Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems) and 3 more.

What NSN replaces 6625-00-538-9246?

There are 12 known substitutes for 6625-00-538-9246: 6625-00-407-6835, 6625-00-498-6434, 6625-00-500-0927 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 335377?

Key specifications for 335377: Specification/standard Data: 81349-MIL-M-10304/6 GOVERNMENT SPECIFICATION; Style Designator: ROUND FLUSH MTG; Special Test Features: ENVIRONMENTALS PER MIL-STD-202; Nuclear Hardness Critical Feature: NONHARDENED. 30 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6625-00-538-9246 still in active supply?

NSN 6625-00-538-9246 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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