PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

333AAmmeter

Ohio Semitronics Inc · NSN 6625-01-204-5938 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-01-204-5938 — this item is cataloged by the U.S. Government under National Stock Number 6625-01-204-5938. Primary manufacturer part number: 333A.
Features
  • Ammeter — FSC 6625
  • Features Provided: ZERO ADJUSTER
  • Center to Center Distance Between Mounting Facilities Parallel to Width: 3.376 INCHES NOMINAL IN
  • Movement Type: MOVING COIL, PERMANENT MAGNET
  • Dial Scale Marking Color: BLACK SINGLE INDICATOR SINGLE RANGE
  • Mounting Arrangement Style: FOUR HOLE/STUD RECTANGULAR/SQUARE
  • Scale Division Quantity: 20 SINGLE INDICATOR SINGLE RANGE
  • Accuracy in Percent: -1.5 TO 1.5 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
Applications
  • Applications requiring Plastic construction
General Description

The Ammeter, cataloged under National Stock Number 6625-01-204-5938, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Ohio Semitronics Inc. Government technical data includes 29 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 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
NSN6625-01-204-5938
Primary Part Number333A
Item NameAmmeter
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerOhio Semitronics Inc
StatusACTIVE
Features ProvidedZERO ADJUSTER
Center to Center Distance Between Mounting Facilities Parallel to Width3.376 INCHES NOMINAL IN
Movement TypeMOVING COIL, PERMANENT MAGNET
Dial Scale Marking ColorBLACK SINGLE INDICATOR SINGLE RANGE
Mounting Arrangement StyleFOUR HOLE/STUD RECTANGULAR/SQUARE
Scale Division Quantity20 SINGLE INDICATOR SINGLE RANGE
Accuracy in Percent-1.5 TO 1.5 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
Installation DesignPANEL
Indicator TypeDIAL W/POINTER
Panel for Which DesignedMAGNETIC OR NONMAGNETIC
Pointer ColorBLACK SINGLE INDICATOR SINGLE RANGE
Circuit Construction TypeNONELECTRONIC
Nuclear Hardness Critical FeatureNONHARDENED
Measurement Range-20.0 TO 20.0 AMPERES SINGLE INDICATOR SINGLE RANGE
Scale Graduation TypeLINEAR SINGLE INDICATOR SINGLE RANGE
Circuit Attachment Method and Quantity2 THREADED STUD
FSC Application DataTEST SET,ELECT. EQUIP.
Special MarkingsDISCHARGE; CHARGE
Style DesignatorRECTANGULAR FLUSH MTG
Mounting Facility Type and Quantity4 SCREW AND 4 UNTHREADED HOLE(S)
Movement Suspension MethodTAUT BAND
Power SourceEXTERNAL
Special Test FeaturesCONFORMS TO MIL-M-16034; TESTED UNDER MIL-S-901
MaterialPLASTIC
Meter Body Diameter Behind Mounting Flange3.960 INCHES NOMINAL IN
Meter Depth Behind Mounting Flange2.813 INCHES NOMINAL IN
Environmental ProtectionCORROSION RESISTANT AND SHOCK PROOF
Center to Center Distance Between Mounting Facilities Parallel to Length3.376 INCHES NOMINAL IN
Circuit Current for Which DesignedDC
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Unit of IssueEA
SMR CodeJ
Weight2.4000 lbs
Cube0.2269 cu ft
Verified Substitutes 12
Analyzer,spectrum
Meter,modulation
6625-01-222-005215A1349-14 SUCCESSOR
Ammeter
Northrop Grumman Systems Corporation
6625-01-222-005315A1349-9 SUCCESSOR
Ammeter
Northrop Grumman Systems Corporation
6625-01-222-101415A1349-10 SUCCESSOR
Ammeter
Northrop Grumman Systems Corporation
6625-01-222-101515A1349-15 SUCCESSOR
Ammeter
Northrop Grumman Systems Corporation
6625-01-281-5034925312-0014 SUCCESSOR
Meter,special Scale
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
6625-01-315-6453MK701-29 SUCCESSOR
Voltmeter
Mkc Electronics Inc Dba Mk Electronics Div Mkc Electronics Inc, Dba Mk Electronics
9905-00-202-36390100A INTERCHANGEABLE
Reflector,indicating,clearance
Grote Industries Inc Dba Grote Manufacturing Co Div Military Products
5930-00-733-555533665 INTERCHANGEABLE
Switch,sensitive
Mitsubishi Caterpillar Forklift America, Inc
Cross-Reference Index
Part NumberManufacturer
92104 Ohio Semitronics Inc (USA)
333A PRIMARY Ohio Semitronics Inc (USA)
MK701-164 Mkc Electronics Inc Dba Mk Electronics Div Mkc Electronics Inc, Dba Mk Electronics (USA)
KX-241 Hughes Corp Div Dba Weschler Instruments (USA)
5167-34 General Dynamics Corp Electric Boat Div (USA)
Related Parts
6625-00-089-4227SUCCESSOR
ANALYZER,SPECTRUM
6625-01-097-2121SUCCESSOR
METER,MODULATION
6625-01-222-0052SUCCESSOR
AMMETER
15A1349-14
6625-01-222-0053SUCCESSOR
AMMETER
15A1349-9
6625-01-222-1014SUCCESSOR
AMMETER
15A1349-10
6625-01-222-1015SUCCESSOR
AMMETER
15A1349-15
6625-01-281-5034SUCCESSOR
METER,SPECIAL SCALE
925312-0014
6625-01-315-6453SUCCESSOR
VOLTMETER
MK701-29
9905-00-202-3639INTERCHANGEABLE
REFLECTOR,INDICATING,CLEARANCE
0100A
5930-00-733-5555INTERCHANGEABLE
SWITCH,SENSITIVE
33665
4820-01-179-8849INTERCHANGEABLE
STEM,FLUID VALVE
92104
4730-01-214-7055INTERCHANGEABLE
CLAMP,HOSE
92104 B

Frequently Asked Questions

What is NSN 6625-01-204-5938?

NSN 6625-01-204-5938 is a Ammeter, manufactured by Ohio Semitronics Inc, classified under FSC 6625 (No Item Name Available). Status: active.

What are the part numbers for NSN 6625-01-204-5938?

NSN 6625-01-204-5938 has 5 cross-referenced part numbers: 92104 (Ohio Semitronics Inc), 333A (Ohio Semitronics Inc), MK701-164 (Mkc Electronics Inc Dba Mk Electronics Div Mkc Electronics Inc, Dba Mk Electronics), KX-241 (Hughes Corp Div Dba Weschler Instruments), 5167-34 (General Dynamics Corp Electric Boat Div).

What NSN replaces 6625-01-204-5938?

There are 12 known substitutes for 6625-01-204-5938: 6625-00-089-4227, 6625-01-097-2121, 6625-01-222-0052 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 333A?

Key specifications for 333A: Features Provided: ZERO ADJUSTER; Center to Center Distance Between Mounting Facilities Parallel to Width: 3.376 INCHES NOMINAL IN; Movement Type: MOVING COIL, PERMANENT MAGNET; Dial Scale Marking Color: BLACK SINGLE INDICATOR SINGLE RANGE. 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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