PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

10603Ammeter

E I L Instruments Inc · NSN 6625-00-495-9833 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-00-495-9833 — this item is cataloged by the U.S. Government under National Stock Number 6625-00-495-9833. Primary manufacturer part number: 10603.
Features
  • Ammeter — FSC 6625
  • Mounting Hole Diameter: 0.125 INCHES NOMINAL IN
  • Movement Type: MOVING IRON VANE
  • Meter Body Diameter Behind Mounting Flange: 2.210 INCHES NOMINAL IN
  • Circuit Attachment Method and Quantity: 2 SOLDER STUD
  • Overall Diameter: 2.690 INCHES NOMINAL IN
  • Pointer Color: BLACK SINGLE INDICATOR SINGLE RANGE
  • Indicator Type: DIAL W/POINTER
Applications
  • Applications requiring Plastic construction
General Description

The Ammeter, cataloged under National Stock Number 6625-00-495-9833, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is E I L Instruments Inc. Government technical data includes 29 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 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
NSN6625-00-495-9833
Primary Part Number10603
Item NameAmmeter
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerE I L Instruments Inc
StatusACTIVE
Mounting Hole Diameter0.125 INCHES NOMINAL IN
Movement TypeMOVING IRON VANE
Meter Body Diameter Behind Mounting Flange2.210 INCHES NOMINAL IN
Circuit Attachment Method and Quantity2 SOLDER STUD
Overall Diameter2.690 INCHES NOMINAL IN
Pointer ColorBLACK SINGLE INDICATOR SINGLE RANGE
Indicator TypeDIAL W/POINTER
Circuit Current for Which DesignedAC
FSC Application DataTEST SET,ELECTRONIC EQUIPMENT
Scale Division Quantity20 SINGLE INDICATOR SINGLE RANGE
ColorUNABLE TO DECODE
Accuracy in Percent-2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
Frequency Response Range+0.000 TO 400.000 HERTZ
Installation DesignPANEL
Scale Graduation TypeLINEAR SINGLE INDICATOR SINGLE RANGE
Style DesignatorROUND FLUSH MTG
Mounting Arrangement StyleFOUR HOLE/STUD RECTANGULAR/SQUARE
Dial Scale Marking ColorBLACK SINGLE INDICATOR SINGLE RANGE
Nuclear Hardness Critical FeatureNONHARDENED
MaterialPLASTIC
Mounting Facility Type and Quantity4 UNTHREADED HOLE(S)
Measurement Range+0.0 TO 20.0 AMPERES, AC SINGLE INDICATOR SINGLE RANGE
Movement Suspension MethodJEWEL PIVOT BASE
Center to Center Distance Between Mounting Facilities Parallel to Length1.200 INCHES NOMINAL IN
Circuit Construction TypeNONELECTRONIC
Environmental ProtectionDUST RESISTANT
Panel for Which DesignedNONMAGNETIC
Meter Depth Behind Mounting Flange1.110 INCHES NOMINAL IN
Center to Center Distance Between Mounting Facilities Parallel to Width1.220 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Criticality CodeN
Unit of IssueEA
SMR CodeX
Verified Substitutes 12
5110-00-223-1100 INTERCHANGEABLE
Chisel,diamond Point,hand
5133-00-233-6463 INTERCHANGEABLE
Drill,twist
5133-00-247-2751 INTERCHANGEABLE
Drill,twist
4730-00-391-8368N10603 INTERCHANGEABLE
Packing Nut
Leslie Controls, Inc. Dba Leslie Controls Inc
5950-00-404-855510603 INTERCHANGEABLE
Transformer,electri
Eldec Aerospace Corp
2915-00-428-5017 INTERCHANGEABLE
Cover and Stud
5120-00-596-0930 INTERCHANGEABLE
Screwdriver Attachment,socket Wr
5306-00-886-373810603 INTERCHANGEABLE
Bolt,externally Relieved Body
Mcculloch Corp
5120-01-043-2279 INTERCHANGEABLE
Key,socket Head Screw
5120-01-076-7709 INTERCHANGEABLE
Key,socket Head Screw
Cross-Reference Index
Part NumberManufacturer
10603 E I L Instruments Inc (USA)
990C419H01 Northrop Grumman Systems Corporation Dba Electronic Systems (USA)
Related Parts
5110-00-223-1100INTERCHANGEABLE
CHISEL,DIAMOND POINT,HAND
5133-00-233-6463INTERCHANGEABLE
DRILL,TWIST
5133-00-247-2751INTERCHANGEABLE
DRILL,TWIST
4730-00-391-8368INTERCHANGEABLE
PACKING NUT
N10603
5950-00-404-8555INTERCHANGEABLE
TRANSFORMER,ELECTRI
10603
2915-00-428-5017INTERCHANGEABLE
COVER AND STUD
5120-00-596-0930INTERCHANGEABLE
SCREWDRIVER ATTACHMENT,SOCKET WR
5306-00-886-3738INTERCHANGEABLE
BOLT,EXTERNALLY RELIEVED BODY
10603
5120-01-043-2279INTERCHANGEABLE
KEY,SOCKET HEAD SCREW
5120-01-076-7709INTERCHANGEABLE
KEY,SOCKET HEAD SCREW
5360-01-151-8631INTERCHANGEABLE
SPRING
2590-01-185-0168INTERCHANGEABLE
CHANNEL ASSEMBLY
10603

Frequently Asked Questions

What is NSN 6625-00-495-9833?

NSN 6625-00-495-9833 is a Ammeter, manufactured by E I L Instruments Inc, classified under FSC 6625 (No Item Name Available). Status: active.

What are the part numbers for NSN 6625-00-495-9833?

NSN 6625-00-495-9833 has 2 cross-referenced part numbers: 10603 (E I L Instruments Inc), 990C419H01 (Northrop Grumman Systems Corporation Dba Electronic Systems).

What NSN replaces 6625-00-495-9833?

There are 12 known substitutes for 6625-00-495-9833: 5110-00-223-1100, 5133-00-233-6463, 5133-00-247-2751 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 10603?

Key specifications for 10603: Mounting Hole Diameter: 0.125 INCHES NOMINAL IN; Movement Type: MOVING IRON VANE; Meter Body Diameter Behind Mounting Flange: 2.210 INCHES NOMINAL IN; Circuit Attachment Method and Quantity: 2 SOLDER 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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