PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

04311Ammeter

Simpson Electric Company, Inc. · NSN 6625-00-123-3103 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-00-123-3103 — this item is cataloged by the U.S. Government under National Stock Number 6625-00-123-3103. Primary manufacturer part number: 04311.
Features
  • Ammeter — FSC 6625
  • Mounting Arrangement Style: FOUR HOLE/STUD RECTANGULAR/SQUARE
  • Panel for Which Designed: MAGNETIC OR NONMAGNETIC
  • Center to Center Distance Between Mounting Facilities Parallel to Width: 1.880 INCHES NOMINAL IN
  • Dial Scale Marking Color: BLACK SINGLE INDICATOR SINGLE RANGE
  • Meter Depth Behind Mounting Flange: 1.760 INCHES NOMINAL IN
  • Mounting Stud Length: 0.540 INCHES NOMINAL IN
  • Meter Body Diameter Behind Mounting Flange: 2.170 INCHES NOMINAL IN
Applications
  • Applications requiring Plastic construction
General Description

The Ammeter, cataloged under National Stock Number 6625-00-123-3103, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Simpson Electric Company, Inc.. Government technical data includes 28 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 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
NSN6625-00-123-3103
Primary Part Number04311
Item NameAmmeter
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerSimpson Electric Company, Inc.
StatusACTIVE
Mounting Arrangement StyleFOUR HOLE/STUD RECTANGULAR/SQUARE
Panel for Which DesignedMAGNETIC OR NONMAGNETIC
Center to Center Distance Between Mounting Facilities Parallel to Width1.880 INCHES NOMINAL IN
Dial Scale Marking ColorBLACK SINGLE INDICATOR SINGLE RANGE
Meter Depth Behind Mounting Flange1.760 INCHES NOMINAL IN
Mounting Stud Length0.540 INCHES NOMINAL IN
Meter Body Diameter Behind Mounting Flange2.170 INCHES NOMINAL IN
Scale Division Quantity50 SINGLE INDICATOR SINGLE RANGE
Accuracy in Percent-2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
Measurement Range+0.0 TO 50.0 MICROAMPERES, DC SINGLE INDICATOR SINGLE RANGE
Pointer ColorBLACK SINGLE INDICATOR SINGLE RANGE
Features ProvidedMAGNETIC SHIELD AND ZERO ADJUSTER
Mounting Facility Type and Quantity4 THREADED STUD(S)
Mounting Stud Diameter0.112 INCHES NOMINAL IN
Nuclear Hardness Critical FeatureNONHARDENED
Installation DesignPANEL
Circuit Current for Which DesignedDC
Indicator TypeDIAL W/POINTER
Power SourceEXTERNAL
Circuit Construction TypeNONELECTRONIC
MaterialPLASTIC
FSC Application DataTEST SET,ELECT. EQUIP.
Circuit Attachment Method and Quantity2 THREADED STUD
Style DesignatorRECTANGULAR FLUSH MTG
ColorUNABLE TO DECODE
Scale Graduation TypeLINEAR SINGLE INDICATOR SINGLE RANGE
Movement Suspension MethodTAUT BAND
Center to Center Distance Between Mounting Facilities Parallel to Length1.880 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Criticality CodeQ
Unit of IssueEA
SMR CodeXN
Verified Substitutes 12
5999-01-229-733757988-90317 SUCCESSOR
Contact,electrical
Textron Systems Corporation Dba Textron Systems Corp
3110-00-155-95611311W INTERCHANGEABLE
Bearing,ball,annular
Ntn Bearing Corporation of America
3110-00-156-1725 INTERCHANGEABLE
Bearing,ball,thrust
5315-00-265-9197 INTERCHANGEABLE
Pin,straight,threaded
3110-00-293-8440 INTERCHANGEABLE
Bearing,ball,annular
5950-00-461-8327310-0161-002 INTERCHANGEABLE
Transformer,power
Honeywell International Inc. Dba Honeywell Div Aerospace ? Redmond Commercial
6515-00-660-00102158333-06 INTERCHANGEABLE
Blade,surgical Knife,detachable
The Lighthouse for the Blind Dba Lighthouse for the Blind
5305-00-841-26822133721 INTERCHANGEABLE
Screw,shoulder
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
4930-01-005-36514311 INTERCHANGEABLE
Lubricating Gun,handheld
Elliott Machine Works Inc
3110-01-012-7232 INTERCHANGEABLE
Bearing,ball,annular
Cross-Reference Index
Part NumberManufacturer
1227T Simpson Electric Company, Inc. (USA)
1227T4311 Simpson Electric Company, Inc. (USA)
M0DEL1227T0-50UADC Simpson Electric Company, Inc. (USA)
1227T0-50UADC Simpson Electric Company, Inc. (USA)
04311 PRIMARY Simpson Electric Company, Inc. (USA)
4311 Simpson Electric Company, Inc. (USA)
1227T-04311 Simpson Electric Company, Inc. (USA)
Related Parts
5999-01-229-7337SUCCESSOR
CONTACT,ELECTRICAL
57988-90317
3110-00-155-9561INTERCHANGEABLE
BEARING,BALL,ANNULAR
1311W
3110-00-156-1725INTERCHANGEABLE
BEARING,BALL,THRUST
5315-00-265-9197INTERCHANGEABLE
PIN,STRAIGHT,THREADED
3110-00-293-8440INTERCHANGEABLE
BEARING,BALL,ANNULAR
5950-00-461-8327INTERCHANGEABLE
TRANSFORMER,POWER
310-0161-002
6515-00-660-0010INTERCHANGEABLE
BLADE,SURGICAL KNIFE,DETACHABLE
2158333-06
5305-00-841-2682INTERCHANGEABLE
SCREW,SHOULDER
2133721
4930-01-005-3651INTERCHANGEABLE
LUBRICATING GUN,HANDHELD
4311
3110-01-012-7232INTERCHANGEABLE
BEARING,BALL,ANNULAR
5330-01-023-8156INTERCHANGEABLE
GASKET
39385-A4
6625-01-026-6506INTERCHANGEABLE
METER,NULL

Frequently Asked Questions

What is NSN 6625-00-123-3103?

NSN 6625-00-123-3103 is a Ammeter, manufactured by Simpson Electric Company, Inc., classified under FSC 6625 (No Item Name Available). Status: active.

What are the part numbers for NSN 6625-00-123-3103?

NSN 6625-00-123-3103 has 7 cross-referenced part numbers: 1227T (Simpson Electric Company, Inc.), 1227T4311 (Simpson Electric Company, Inc.), M0DEL1227T0-50UADC (Simpson Electric Company, Inc.), 1227T0-50UADC (Simpson Electric Company, Inc.), 04311 (Simpson Electric Company, Inc.) and 2 more.

What NSN replaces 6625-00-123-3103?

There are 12 known substitutes for 6625-00-123-3103: 5999-01-229-7337, 3110-00-155-9561, 3110-00-156-1725 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 04311?

Key specifications for 04311: Mounting Arrangement Style: FOUR HOLE/STUD RECTANGULAR/SQUARE; Panel for Which Designed: MAGNETIC OR NONMAGNETIC; Center to Center Distance Between Mounting Facilities Parallel to Width: 1.880 INCHES NOMINAL IN; 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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