PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1522-0-5MADCAmmeter

Simpson Electric Company, Inc. · NSN 6625-00-138-6528 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-00-138-6528 — this item is cataloged by the U.S. Government under National Stock Number 6625-00-138-6528. Primary manufacturer part number: 1522-0-5MADC.
Features
  • Ammeter — FSC 6625
  • Meter Body Width Behind Mounting Flange: 2.500 INCHES NOMINAL IN
  • Dial Scale Marking Color: BLACK SINGLE INDICATOR SINGLE RANGE
  • Installation Design: PANEL
  • Panel for Which Designed: NONMAGNETIC
  • Circuit Construction Type: NONELECTRONIC
  • Meter Depth Behind Mounting Flange: 3.281 INCHES NOMINAL IN
  • Movement Type: MOVING COIL, PERMANENT MAGNET
Applications
  • Applications requiring Plastic construction
General Description

The Ammeter, cataloged under National Stock Number 6625-00-138-6528, 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 27 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 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.

Technical Specifications
ParameterValue
NSN6625-00-138-6528
Primary Part Number1522-0-5MADC
Item NameAmmeter
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerSimpson Electric Company, Inc.
StatusACTIVE
Meter Body Width Behind Mounting Flange2.500 INCHES NOMINAL IN
Dial Scale Marking ColorBLACK SINGLE INDICATOR SINGLE RANGE
Installation DesignPANEL
Panel for Which DesignedNONMAGNETIC
Circuit Construction TypeNONELECTRONIC
Meter Depth Behind Mounting Flange3.281 INCHES NOMINAL IN
Movement TypeMOVING COIL, PERMANENT MAGNET
Accuracy in Percent-2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
Indicator TypeDIAL W/POINTER
Barrel Width2.560 INCHES NOMINAL IN
Meter Barrel Depth0.680 INCHES NOMINAL IN
Pointer ColorBLACK SINGLE INDICATOR SINGLE RANGE
Circuit Attachment Method and Quantity2 SOLDER STUD
Features ProvidedMAGNETIC SHIELD AND ZERO ADJUSTER
MaterialPLASTIC
Nuclear Hardness Critical FeatureNONHARDENED
Scale Graduation TypeLINEAR SINGLE INDICATOR SINGLE RANGE
Mounting Facility Type and Quantity1 BRACKET(S)
FSC Application DataTEST SET,ELECT. EQUIP.
Meter Body Height Behind Mounting Flange3.840 INCHES NOMINAL IN
Circuit Current for Which DesignedDC
Measurement Range+0.0 TO 5.0 MILLIAMPERES, DC SINGLE INDICATOR SINGLE RANGE
Style DesignatorRECTANGULAR FLUSH MTG BARREL, DOWN
Scale Division Quantity50 SINGLE INDICATOR SINGLE RANGE
ColorUNABLE TO DECODE
Movement Suspension MethodJEWEL PIVOT BASE
Meter Body Width Behind Mounting Flange2.500 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
Successor6625-00-237-8457 (C512000088)
HAZMATNo
Verified Substitutes 12
6625-00-237-8457C512000088 SUCCESSOR
Ammeter
Kearfott Corporation Div Guidance and Navigation Division
Voltmeter
Voltmeter
5999-00-727-14826720 SUCCESSOR
Contact Assembly,electrical
Aerospace Lighting Corporation
6625-01-057-18161522-06710 SUCCESSOR
Ammeter
Simpson Electric Company, Inc.
6625-01-132-46061120-0692 SUCCESSOR
Meter,arbitrary Scale
Keysight Technologies Inc
Voltmeter
7045-01-398-38996720 SUCCESSOR
File,disk,flexible
Sentry Group
5905-00-015-93686720 INTERCHANGEABLE
Rheostat Assy,geare
Electro Scientific Industries Inc
5330-00-116-1549C901M36 INTERCHANGEABLE
Gasket
E C Schleyer Pump Co Inc
Cross-Reference Index
Part NumberManufacturer
1522-0-5MADC Simpson Electric Company, Inc. (USA)
1522 Simpson Electric Company, Inc. (USA)
6720 Simpson Electric Company, Inc. (USA)
06720 Simpson Electric Company, Inc. (USA)
1522-6720 Simpson Electric Company, Inc. (USA)
Related Parts
SUCCESSOR 6625-00-237-8457 Ammeter · C512000088
6625-00-451-7036SUCCESSOR
VOLTMETER
6625-00-539-8475SUCCESSOR
VOLTMETER
5999-00-727-1482SUCCESSOR
CONTACT ASSEMBLY,ELECTRICAL
6720
6625-01-057-1816SUCCESSOR
AMMETER
1522-06710
6625-01-132-4606SUCCESSOR
METER,ARBITRARY SCALE
1120-0692
6625-01-216-2440SUCCESSOR
VOLTMETER
7045-01-398-3899SUCCESSOR
FILE,DISK,FLEXIBLE
6720
5905-00-015-9368INTERCHANGEABLE
RHEOSTAT ASSY,GEARE
6720
5330-00-116-1549INTERCHANGEABLE
GASKET
C901M36
3930-00-145-6366INTERCHANGEABLE
BLOCK,SLIDE
5330-00-157-6613INTERCHANGEABLE
SEAL,PLAIN ENCASED
2623052

Frequently Asked Questions

What is NSN 6625-00-138-6528?

NSN 6625-00-138-6528 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 6625-00-138-6528?

NSN 6625-00-138-6528 has 5 cross-referenced part numbers: 1522-0-5MADC (Simpson Electric Company, Inc.), 1522 (Simpson Electric Company, Inc.), 6720 (Simpson Electric Company, Inc.), 06720 (Simpson Electric Company, Inc.), 1522-6720 (Simpson Electric Company, Inc.).

What NSN replaces 6625-00-138-6528?

There are 12 known substitutes for 6625-00-138-6528: 6625-00-237-8457, 6625-00-451-7036, 6625-00-539-8475 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1522-0-5MADC?

Key specifications for 1522-0-5MADC: Meter Body Width Behind Mounting Flange: 2.500 INCHES NOMINAL IN; Dial Scale Marking Color: BLACK SINGLE INDICATOR SINGLE RANGE; Installation Design: PANEL; Panel for Which Designed: NONMAGNETIC. 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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