PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

365-534Ammeter

Astra Products Co., Inc. of Tampa Dba Astra Products Co Inc of Tampa · NSN 6625-01-125-1139 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-01-125-1139 — this item is cataloged by the U.S. Government under National Stock Number 6625-01-125-1139. Primary manufacturer part number: 365-534.
Features
  • Ammeter — FSC 6625
  • Mounting Arrangement Style: THREE HOLE/STUD BOLT CIRCLE
  • Dial Scale Marking Color: BLACK SINGLE INDICATOR SINGLE RANGE
  • Mounting Facility Type and Quantity: 3 UNTHREADED HOLE(S)
  • Style Designator: ROUND FLUSH MTG
  • Scale Division Quantity: 100 SINGLE INDICATOR SINGLE RANGE
  • Meter Depth Behind Mounting Flange: 1.250 INCHES NOMINAL IN
  • Surface Treatment: CADMIUM AND CHROMATE
Applications
  • Applications requiring Steel construction
General Description

The Ammeter, cataloged under National Stock Number 6625-01-125-1139, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Astra Products Co., Inc. of Tampa Dba Astra Products Co Inc of Tampa. Government technical data includes 28 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN6625-01-125-1139
Primary Part Number365-534
Item NameAmmeter
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerAstra Products Co., Inc. of Tampa Dba Astra Products Co Inc of Tampa
StatusACTIVE
Mounting Arrangement StyleTHREE HOLE/STUD BOLT CIRCLE
Dial Scale Marking ColorBLACK SINGLE INDICATOR SINGLE RANGE
Mounting Facility Type and Quantity3 UNTHREADED HOLE(S)
Style DesignatorROUND FLUSH MTG
Scale Division Quantity100 SINGLE INDICATOR SINGLE RANGE
Meter Depth Behind Mounting Flange1.250 INCHES NOMINAL IN
Surface TreatmentCADMIUM AND CHROMATE
Meter Body Diameter Behind Mounting Flange2.750 INCHES NOMINAL IN
Installation DesignPANEL
Features ProvidedZERO ADJUSTER
Overall Diameter3.500 INCHES NOMINAL IN
Accuracy in Percent-2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
Movement TypeMOVING MAGNET
Surface Treatment Document and ClassificationQQ-P-416,TYPE 2,CLASS B FED SPEC SINGLE TREATMENT RESPONSE
Special MarkingsD.C. AMPERES
Measurement Range+0.0 TO 600.0 AMPERES, DC SINGLE INDICATOR SINGLE RANGE
Mounting Bolt Circle Diameter3.125 INCHES NOMINAL IN
MaterialSTEEL
Circuit Current for Which DesignedDC
Movement Suspension MethodJEWEL PIVOT BASE
Mounting Arrangement StyleTHREE HOLE/STUD BOLT CIRCLE
Dial Scale Marking ColorBLACK SINGLE INDICATOR SINGLE RANGE
Mounting Facility Type and Quantity3 UNTHREADED HOLE(S)
Style DesignatorROUND FLUSH MTG
Scale Division Quantity100 SINGLE INDICATOR SINGLE RANGE
Meter Depth Behind Mounting Flange1.250 INCHES NOMINAL IN
Surface TreatmentCADMIUM AND CHROMATE
Meter Body Diameter Behind Mounting Flange2.750 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Criticality CodeN
Unit of IssueEA
SMR CodeJN
Weight0.8800 lbs
Cube0.0590 cu ft
Verified Substitutes 3
4730-01-074-65563655-3/4 INTERCHANGEABLE
Tee,pipe
The Walworth Company
5315-01-138-9761 INTERCHANGEABLE
Pin,grooved,headless
3460-01-735-6253365534 INTERCHANGEABLE
Vise,bench and Machine Table
Jpw Industries Inc. Dba Jpw Industries Inc
Cross-Reference Index
Part NumberManufacturer
365-534 PRIMARY Astra Products Co., Inc. of Tampa Dba Astra Products Co Inc of Tampa (USA)
365-534 Jewell Instruments Llc (USA)
31A03-0034 Astra Products Co., Inc. of Tampa Dba Astra Products Co Inc of Tampa (USA)
Related Parts
4730-01-074-6556INTERCHANGEABLE
TEE,PIPE
3655-3/4
5315-01-138-9761INTERCHANGEABLE
PIN,GROOVED,HEADLESS
3460-01-735-6253INTERCHANGEABLE
VISE,BENCH AND MACHINE TABLE
365534

Frequently Asked Questions

What is NSN 6625-01-125-1139?

NSN 6625-01-125-1139 is a Ammeter, manufactured by Astra Products Co., Inc. of Tampa Dba Astra Products Co Inc of Tampa, classified under FSC 6625 (No Item Name Available). Status: active.

What are the part numbers for NSN 6625-01-125-1139?

NSN 6625-01-125-1139 has 3 cross-referenced part numbers: 365-534 (Astra Products Co., Inc. of Tampa Dba Astra Products Co Inc of Tampa), 365-534 (Jewell Instruments Llc), 31A03-0034 (Astra Products Co., Inc. of Tampa Dba Astra Products Co Inc of Tampa).

What NSN replaces 6625-01-125-1139?

There are 3 known substitutes for 6625-01-125-1139: 4730-01-074-6556, 5315-01-138-9761, 3460-01-735-6253. Verify interchangeability with system specifications before substitution.

What are the specifications of 365-534?

Key specifications for 365-534: Mounting Arrangement Style: THREE HOLE/STUD BOLT CIRCLE; Dial Scale Marking Color: BLACK SINGLE INDICATOR SINGLE RANGE; Mounting Facility Type and Quantity: 3 UNTHREADED HOLE(S); Style Designator: ROUND FLUSH MTG. 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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