PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MIL-M-16034/4AAmmeter

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 6625-00-622-0118 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-00-622-0118 — this item is cataloged by the U.S. Government under National Stock Number 6625-00-622-0118. Primary manufacturer part number: MIL-M-16034/4A.
Features
  • Ammeter — FSC 6625
  • Nuclear Hardness Critical Feature: NONHARDENED
  • Indicator Type: DIAL W/POINTER
  • Panel for Which Designed: MAGNETIC OR NONMAGNETIC
  • Mounting Stud Length: 0.625 INCHES NOMINAL IN
  • Surface Treatment Document and Classification: MIL-F-14072 MIL SPEC ALL TREATMENT RESPONSES
  • FSC Application Data: TEST SET,ELECT. EQUIP.
  • Furnished Items and Quantity: MTG HDW 3; TERMINAL HDW 2
Applications
  • Applications requiring Steel construction
General Description

The Ammeter, cataloged under National Stock Number 6625-00-622-0118, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 27 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN6625-00-622-0118
Primary Part NumberMIL-M-16034/4A
Item NameAmmeter
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerMilitary Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
StatusCANCELLED
Nuclear Hardness Critical FeatureNONHARDENED
Indicator TypeDIAL W/POINTER
Panel for Which DesignedMAGNETIC OR NONMAGNETIC
Mounting Stud Length0.625 INCHES NOMINAL IN
Surface Treatment Document and ClassificationMIL-F-14072 MIL SPEC ALL TREATMENT RESPONSES
FSC Application DataTEST SET,ELECT. EQUIP.
Furnished Items and QuantityMTG HDW 3; TERMINAL HDW 2
Installation DesignPANEL
Sensitivity Rating5.0 AMPERES
Test Data Document81349-MIL-M-16034 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.).
Dial Scale Marking ColorBLACK SINGLE INDICATOR SINGLE RANGE
Frequency Rating60.0 HERTZ NOMINAL
Meter Depth Behind Mounting Flange10.000 INCHES MAXIMUM IN
Meter Body Diameter Behind Mounting Flange3.980 INCHES MAXIMUM IN
Movement TypeMOVING COIL, PERMANENT MAGNET
MaterialSTEEL
Mounting Arrangement StyleFOUR HOLE/STUD RECTANGULAR/SQUARE
Frequency Response Range+25.000 TO 125.000 HERTZ
Environmental ProtectionCOLD RESISTANT AND HEAT RESISTANT AND SHOCK RESISTANT AND SUBMERSIBLE AND VIBRATION RESISTANT AND WATERTIGHT
Circuit Construction TypeNONELECTRONIC
Scale Selection MethodTERMINAL
Measurement Range+0.0 TO 30.0 AMPERES, AC SINGLE INDICATOR SINGLE RANGE
Power SourceEXTERNAL
Center to Center Distance Between Mounting Facilities Parallel to Width3.376 INCHES NOMINAL IN
Accuracy in Percent-1.5 TO 1.5 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
PhaseSINGLE
Mounting Facility Type and Quantity4 THREADED STUD(S)
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Shelf Life Code0
Unit of IssueEA
SMR CodeZ
Weight2.5550 lbs
Cube0.1158 cu ft
Verified Substitutes 2
No Item Name Available
Ammeter
Cross-Reference Index
Part NumberManufacturer
MIL-M-16034/4A Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MR49W030ACAAH Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-DTL-16034/4 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
6625-01-442-6105SUCCESSOR
NO ITEM NAME AVAILABLE
6625-00-186-8772SUCCESSOR
AMMETER

Frequently Asked Questions

What is NSN 6625-00-622-0118?

NSN 6625-00-622-0118 is a Ammeter, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 6625 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6625-00-622-0118?

NSN 6625-00-622-0118 has 3 cross-referenced part numbers: MIL-M-16034/4A (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MR49W030ACAAH (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-DTL-16034/4 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 6625-00-622-0118?

There are 2 known substitutes for 6625-00-622-0118: 6625-01-442-6105, 6625-00-186-8772. Verify interchangeability with system specifications before substitution.

What are the specifications of MIL-M-16034/4A?

Key specifications for MIL-M-16034/4A: Special Features: RUGGEDIZED; Nuclear Hardness Critical Feature: NONHARDENED; Indicator Type: DIAL W/POINTER; Panel for Which Designed: MAGNETIC OR NONMAGNETIC. 30 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6625-00-622-0118 still in active supply?

NSN 6625-00-622-0118 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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