PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MR49W001DCMAHAmmeter

Naval Inventory Control Point Mechanicsburg · NSN 6625-01-205-3107 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-01-205-3107 — this item is cataloged by the U.S. Government under National Stock Number 6625-01-205-3107. Primary manufacturer part number: MR49W001DCMAH.
Features
  • Ammeter — FSC 6625
  • Center to Center Distance Between Mounting Facilities Parallel to Width: 3.376 INCHES NOMINAL IN
  • Mounting Facility Type and Quantity: 4 THREADED STUD(S)
  • Criticality Code Justification: ZZZY
  • Meter Body Diameter Behind Mounting Flange: 3.980 INCHES NOMINAL IN
  • Nuclear Hardness Critical Feature: NONHARDENED
  • Pointer Color: BLACK SINGLE INDICATOR SINGLE RANGE
  • Dial Scale Marking Color: WHITE SINGLE INDICATOR SINGLE RANGE
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Ammeter, cataloged under National Stock Number 6625-01-205-3107, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Naval Inventory Control Point Mechanicsburg. Government technical data includes 26 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN6625-01-205-3107
Primary Part NumberMR49W001DCMAH
Item NameAmmeter
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerNaval Inventory Control Point Mechanicsburg
StatusACTIVE
Center to Center Distance Between Mounting Facilities Parallel to Width3.376 INCHES NOMINAL IN
Mounting Facility Type and Quantity4 THREADED STUD(S)
Criticality Code JustificationZZZY
Meter Body Diameter Behind Mounting Flange3.980 INCHES NOMINAL IN
Nuclear Hardness Critical FeatureNONHARDENED
Pointer ColorBLACK SINGLE INDICATOR SINGLE RANGE
Dial Scale Marking ColorWHITE SINGLE INDICATOR SINGLE RANGE
Meter Depth Behind Mounting Flange9.000 INCHES NOMINAL IN
Style DesignatorRECTANGULAR FLUSH MTG
Reference Number Differentiating CharacteristicsMATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
Circuit Current for Which DesignedDC
Mounting Arrangement StyleFOUR HOLE/STUD RECTANGULAR/SQUARE
Indicator TypeDIAL W/POINTER
Center to Center Distance Between Mounting Facilities Parallel to Length3.376 INCHES NOMINAL IN
Circuit Construction TypeNONELECTRONIC
Mounting Stud Diameter0.250 INCHES NOMINAL IN
Installation DesignPANEL
Measurement Range+0.0 TO 1.0 MILLIAMPERES, DC SINGLE INDICATOR SINGLE RANGE
Panel for Which DesignedMAGNETIC OR NONMAGNETIC
Mounting Stud Length0.500 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
Center to Center Distance Between Mounting Facilities Parallel to Width3.376 INCHES NOMINAL IN
Mounting Facility Type and Quantity4 THREADED STUD(S)
Criticality Code JustificationZZZY
Meter Body Diameter Behind Mounting Flange3.980 INCHES NOMINAL IN
Nuclear Hardness Critical FeatureNONHARDENED
Pointer ColorBLACK SINGLE INDICATOR SINGLE RANGE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Criticality CodeBL
Unit of IssueEA
SMR CodeV
Weight3.6000 lbs
Cube0.1198 cu ft
Verified Substitutes 12
Ammeter
Ammeter
Ammeter
Ammeter
Ammeter
Ammeter
Ammeter
Ammeter
Ammeter
6625-00-538-97624951-474 SUCCESSOR
Ammeter
Jewell Instruments Llc
Cross-Reference Index
Part NumberManufacturer
MR49W001DCMAH Naval Inventory Control Point Mechanicsburg (USA)
MR49W001DCMAH Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-M-16034/2 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
6625-00-196-8773SUCCESSOR
AMMETER
6625-00-196-8774SUCCESSOR
AMMETER
6625-00-196-8775SUCCESSOR
AMMETER
6625-00-196-8776SUCCESSOR
AMMETER
6625-00-196-8777SUCCESSOR
AMMETER
6625-00-196-8778SUCCESSOR
AMMETER
6625-00-196-8779SUCCESSOR
AMMETER
6625-00-212-3185SUCCESSOR
AMMETER
6625-00-438-0292SUCCESSOR
AMMETER
6625-00-538-9762SUCCESSOR
AMMETER
4951-474
6625-00-576-9976SUCCESSOR
AMMETER
6625-00-576-9978SUCCESSOR
AMMETER

Frequently Asked Questions

What is NSN 6625-01-205-3107?

NSN 6625-01-205-3107 is a Ammeter, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 6625 (No Item Name Available). Status: active.

What are the part numbers for NSN 6625-01-205-3107?

NSN 6625-01-205-3107 has 3 cross-referenced part numbers: MR49W001DCMAH (Naval Inventory Control Point Mechanicsburg), MR49W001DCMAH (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-M-16034/2 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 6625-01-205-3107?

There are 12 known substitutes for 6625-01-205-3107: 6625-00-196-8773, 6625-00-196-8774, 6625-00-196-8775 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MR49W001DCMAH?

Key specifications for MR49W001DCMAH: Center to Center Distance Between Mounting Facilities Parallel to Width: 3.376 INCHES NOMINAL IN; Overall Width: 4.250 INCHES MINIMUM AND 4.750 INCHES MAXIMUM IN; Mounting Facility Type and Quantity: 4 THREADED STUD(S); Criticality Code Justification: ZZZY. 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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