PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3-314Ammeter

Espey Mfg. & Electronics Corp. · NSN 6625-01-013-2752 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-01-013-2752 — this item is cataloged by the U.S. Government under National Stock Number 6625-01-013-2752. Primary manufacturer part number: 3-314.
Features
  • Ammeter — FSC 6625
  • Circuit Construction Type: NONELECTRONIC
  • Measurement Range: +0.0 TO 0.6 AMPERES, DC SINGLE INDICATOR FIRST RANGE
  • Movement Suspension Method: JEWEL PIVOT BASE
  • Circuit Attachment Method and Quantity: 2 THREADED STUD
  • Power Source: EXTERNAL
  • Mounting Bolt Circle Diameter: 3.094 INCHES NOMINAL IN
  • Installation Design: PANEL
Applications
  • Applications requiring Steel construction
General Description

The Ammeter, cataloged under National Stock Number 6625-01-013-2752, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Espey Mfg. & Electronics Corp.. Government technical data includes 28 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, 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
NSN6625-01-013-2752
Primary Part Number3-314
Item NameAmmeter
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerEspey Mfg. & Electronics Corp.
StatusACTIVE
Circuit Construction TypeNONELECTRONIC
Measurement Range+0.0 TO 0.6 AMPERES, DC SINGLE INDICATOR FIRST RANGE
Movement Suspension MethodJEWEL PIVOT BASE
Circuit Attachment Method and Quantity2 THREADED STUD
Power SourceEXTERNAL
Mounting Bolt Circle Diameter3.094 INCHES NOMINAL IN
Installation DesignPANEL
Panel for Which DesignedMAGNETIC
Dial Scale Marking ColorBLACK SINGLE INDICATOR ALL RANGES
Scale Division Quantity60 SINGLE INDICATOR ALL RANGES
Measurement Range+0.0 TO 6.0 AMPERES, DC SINGLE INDICATOR SECOND RANGE
Meter Depth Behind Mounting Flange1.234 INCHES NOMINAL IN
Sensitivity Rating1.0 MILLIAMPERES
Meter Body Diameter Behind Mounting Flange2.694 INCHES NOMINAL IN
Overall Diameter3.480 INCHES NOMINAL IN
Surface TreatmentCHROMATE
Nuclear Hardness Critical FeatureNONHARDENED
ColorUNABLE TO DECODE
FSC Application DataTEST SET,ELECT.EQUIP.
Accuracy in Percent-2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR ALL RANGES
Style DesignatorROUND FLUSH MTG
MaterialSTEEL
Special MarkingsON BACK,SEALED DO NOT OPEN
Mounting Facility Type and Quantity3 SCREW AND 3 UNTHREADED HOLE(S)
Features ProvidedMAGNETIC SHIELD AND ZERO ADJUSTER
Environmental ProtectionAIRTIGHT AND DUST RESISTANT AND FUNGUS RESISTANT AND HEAT RESISTANT AND HUMIDITY RESISTANT AND SHOCK RESISTANT AND VIBRATION RESISTANT AND WATER RESISTANT
Indicator TypeDIAL W/POINTER
Mounting Arrangement StyleTHREE HOLE/STUD BOLT CIRCLE
Lifecycle & Compliance
Acquisition StatusACTIVE
Successor5998-01-416-4332 (3314)
HAZMATNo
Shelf Life Code0
Unit of IssueEA
SMR CodeX
Verified Substitutes 12
5998-01-416-43323314 SUCCESSOR
Circuit Card Assembly
Star Dynamic Corporation Dba Star Dynamic Corp
2915-00-051-72633314 INTERCHANGEABLE
Shaft Assembly,over
Kearfott Corp Div Kearfott Corporation
5340-00-138-80995263-5 INTERCHANGEABLE
Clamp,loop
Pdi Ground Support Systems, Inc.
3030-00-270-8394 INTERCHANGEABLE
Lacing,belt,leather
2530-00-288-61698758255 INTERCHANGEABLE
Cylinder Assembly,hydraulic Brak
U S Army Tank Automotive Command Amsta-Im-Mm
5950-00-578-1940FL7706805G15 INTERCHANGEABLE
Coil,radio Frequency
Mpd Components, Inc.
5330-00-763-28133314 INTERCHANGEABLE
Seal
Garlock Sealing Technologies Llc Dba Garlock Sealing Technologies Llc
3010-01-219-7578119754 INTERCHANGEABLE
Coupling,shaft,rigid
Mag Aerospace Industries, Llc Div Safran Cabins
3040-01-285-28983314 INTERCHANGEABLE
Clamp,hub
Clark Trailer Service Inc
3439-01-382-236735305 INTERCHANGEABLE
Dispenser,fluid,automatic
Menda Scientific Products Inc
Cross-Reference Index
Part NumberManufacturer
3-314 Espey Mfg. & Electronics Corp. (USA)
3.314 Espey Mfg. & Electronics Corp. (USA)
Related Parts
SUCCESSOR 5998-01-416-4332 Circuit Card Assembly · 3314
2915-00-051-7263INTERCHANGEABLE
SHAFT ASSEMBLY,OVER
3314
5340-00-138-8099INTERCHANGEABLE
CLAMP,LOOP
5263-5
3030-00-270-8394INTERCHANGEABLE
LACING,BELT,LEATHER
2530-00-288-6169INTERCHANGEABLE
CYLINDER ASSEMBLY,HYDRAULIC BRAK
8758255
5950-00-578-1940INTERCHANGEABLE
COIL,RADIO FREQUENCY
FL7706805G15
5330-00-763-2813INTERCHANGEABLE
SEAL
3314
3010-01-219-7578INTERCHANGEABLE
COUPLING,SHAFT,RIGID
119754
3040-01-285-2898INTERCHANGEABLE
CLAMP,HUB
3314
3439-01-382-2367INTERCHANGEABLE
DISPENSER,FLUID,AUTOMATIC
35305
5310-01-498-5211INTERCHANGEABLE
NUT,SELF-LOCKING,BARREL
3314
4140-01-573-1736INTERCHANGEABLE
FAN,TUBEAXIAL
3314

Frequently Asked Questions

What is NSN 6625-01-013-2752?

NSN 6625-01-013-2752 is a Ammeter, manufactured by Espey Mfg. & Electronics Corp., classified under FSC 6625 (No Item Name Available). Status: active.

What are the part numbers for NSN 6625-01-013-2752?

NSN 6625-01-013-2752 has 2 cross-referenced part numbers: 3-314 (Espey Mfg. & Electronics Corp.), 3.314 (Espey Mfg. & Electronics Corp.).

What NSN replaces 6625-01-013-2752?

There are 12 known substitutes for 6625-01-013-2752: 5998-01-416-4332, 2915-00-051-7263, 5340-00-138-8099 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3-314?

Key specifications for 3-314: Circuit Construction Type: NONELECTRONIC; Measurement Range: +0.0 TO 0.6 AMPERES, DC SINGLE INDICATOR FIRST RANGE; Movement Suspension Method: JEWEL PIVOT BASE; Circuit Attachment Method and Quantity: 2 THREADED STUD. 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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