PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

71001Ammeter

U M C Electronics Co · NSN 6625-01-038-6834 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-01-038-6834 — this item is cataloged by the U.S. Government under National Stock Number 6625-01-038-6834. Primary manufacturer part number: 71001.
Features
  • Ammeter — FSC 6625
  • Overall Diameter: 4.500 INCHES NOMINAL IN
  • Mounting Bolt Circle Diameter: 4.124 INCHES NOMINAL IN
  • Scale Division Quantity: 50 SINGLE INDICATOR SINGLE RANGE
  • Circuit Current for Which Designed: DC
  • Features Provided: MAGNETIC SHIELD AND ZERO ADJUSTER
  • Circuit Construction Type: NONELECTRONIC
  • Power Source: EXTERNAL
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Ammeter, cataloged under National Stock Number 6625-01-038-6834, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is U M C Electronics Co. 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN6625-01-038-6834
Primary Part Number71001
Item NameAmmeter
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerU M C Electronics Co
StatusACTIVE
Overall Diameter4.500 INCHES NOMINAL IN
Mounting Bolt Circle Diameter4.124 INCHES NOMINAL IN
Scale Division Quantity50 SINGLE INDICATOR SINGLE RANGE
Circuit Current for Which DesignedDC
Features ProvidedMAGNETIC SHIELD AND ZERO ADJUSTER
Circuit Construction TypeNONELECTRONIC
Power SourceEXTERNAL
Movement Suspension MethodJEWEL PIVOT BASE
Meter Body Diameter Behind Mounting Flange3.600 INCHES NOMINAL IN
Environmental ProtectionAIRTIGHT AND DUST RESISTANT AND FUNGUS RESISTANT AND HEAT RESISTANT AND HUMIDITY RESISTANT AND SHOCK RESISTANT AND VIBRATION RESISTANT AND WATER RESISTANT
Panel for Which DesignedMAGNETIC OR NONMAGNETIC
Dial Scale Marking ColorBLACK SINGLE INDICATOR SINGLE RANGE
Furnished Items and QuantityNUT 5; LOCKWASHER 5; SEAL 1
Movement TypeMOVING COIL, PERMANENT MAGNET
Pointer ColorBLACK SINGLE INDICATOR SINGLE RANGE
Accuracy in Percent-2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
Mounting Arrangement StyleTHREE HOLE/STUD BOLT CIRCLE
Measurement Range-5.0 TO 5.0 AMPERES, DC SINGLE INDICATOR SINGLE RANGE
Mounting Facility Type and Quantity3 SCREW AND 3 UNTHREADED HOLE(S)
Indicator TypeDIAL W/POINTER
Installation DesignPANEL
Style DesignatorROUND FLUSH MTG
Meter Depth Behind Mounting Flange1.250 INCHES NOMINAL IN
Special Test FeaturesCOMPLIES WITH MIL-M-10304
Circuit Attachment Method and Quantity2 THREADED STUD
ColorUNABLE TO DECODE
FSC Application DataTEST SET,ELECT. EQUIP.
Special MarkingsON BACK,SEALED DO NOT OPEN
Lifecycle & Compliance
Acquisition StatusACTIVE
Successor6625-00-669-3771 (71001)
HAZMATNo
Shelf Life Code0
Criticality CodeQ
Unit of IssueEA
SMR CodeJN
Weight0.1000 lbs
Cube0.0010 cu ft
Verified Substitutes 12
6625-00-669-377171001 SUCCESSOR
Multimeter
Millivac Instruments, Inc
Voltmeter
6625-00-072-70612378536-3 INTERCHANGEABLE
Ammeter
Lockheed Martin Corporation Div Rms - Mitchel Field
3010-00-075-4058 INTERCHANGEABLE
Insert,flexible Coupling
6625-00-116-5699 INTERCHANGEABLE
Meter,special Scale
6520-01-057-645571001 INTERCHANGEABLE
Impression Material,dental
Premier Dental Products Company
7310-01-127-618871001 INTERCHANGEABLE
Food Warmer,electric
The Webstaurant Store, Inc Dba Webstaurantstore Com
4820-01-263-798071001 INTERCHANGEABLE
Valve,shuttle
Am General Llc
5985-01-277-513671001 INTERCHANGEABLE
Coupler,directional
Waveline Inc
5365-01-304-8462 INTERCHANGEABLE
Plug,machine Thread
Cross-Reference Index
Part NumberManufacturer
71001 U M C Electronics Co (USA)
641 Phaostron Instrument and Electronic Company (USA)
641-17051 Phaostron Instrument and Electronic Company (USA)
Related Parts
SUCCESSOR 6625-00-669-3771 Multimeter · 71001
6625-00-974-6154SUCCESSOR
VOLTMETER
6625-00-072-7061INTERCHANGEABLE
AMMETER
2378536-3
3010-00-075-4058INTERCHANGEABLE
INSERT,FLEXIBLE COUPLING
6625-00-116-5699INTERCHANGEABLE
METER,SPECIAL SCALE
6520-01-057-6455INTERCHANGEABLE
IMPRESSION MATERIAL,DENTAL
71001
7310-01-127-6188INTERCHANGEABLE
FOOD WARMER,ELECTRIC
71001
4820-01-263-7980INTERCHANGEABLE
VALVE,SHUTTLE
71001
5985-01-277-5136INTERCHANGEABLE
COUPLER,DIRECTIONAL
71001
5365-01-304-8462INTERCHANGEABLE
PLUG,MACHINE THREAD
5330-01-316-5141INTERCHANGEABLE
SEAL,PLAIN
7004F62 PIECE 68
6620-01-332-3494INTERCHANGEABLE
INDICATOR,RATE OF FLOW
7-100-10

Frequently Asked Questions

What is NSN 6625-01-038-6834?

NSN 6625-01-038-6834 is a Ammeter, manufactured by U M C Electronics Co, classified under FSC 6625 (No Item Name Available). Status: active.

What are the part numbers for NSN 6625-01-038-6834?

NSN 6625-01-038-6834 has 3 cross-referenced part numbers: 71001 (U M C Electronics Co), 641 (Phaostron Instrument and Electronic Company), 641-17051 (Phaostron Instrument and Electronic Company).

What NSN replaces 6625-01-038-6834?

There are 12 known substitutes for 6625-01-038-6834: 6625-00-669-3771, 6625-00-974-6154, 6625-00-072-7061 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 71001?

Key specifications for 71001: Overall Diameter: 4.500 INCHES NOMINAL IN; Mounting Bolt Circle Diameter: 4.124 INCHES NOMINAL IN; Scale Division Quantity: 50 SINGLE INDICATOR SINGLE RANGE; Circuit Current for Which Designed: DC. 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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