PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

53SNMeter,audio Level

Jewell Instruments Llc · NSN 6625-00-643-2777 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-00-643-2777 — this item is cataloged by the U.S. Government under National Stock Number 6625-00-643-2777. Primary manufacturer part number: 53SN.
Features
  • Meter,audio Level — FSC 6625
  • Meter Body Diameter Behind Mounting Flange: 2.734 INCHES NOMINAL IN
  • Mounting Facility Type and Quantity: 4 THREADED STUD(S)
  • Meter Depth Behind Mounting Flange: 1.282 INCHES NOMINAL IN
  • Color: UNABLE TO DECODE
  • Center to Center Distance Between Mounting Facilities Parallel to Width: 2.250 INCHES NOMINAL IN
  • Reference Number Differentiating Characteristics: AS DIFFERENTIATED BY THE MEASUREMENT RANGE PER INDICATOR RQMT
  • Material: PLASTIC
Applications
  • Applications requiring Plastic construction
General Description

The Meter,audio Level, cataloged under National Stock Number 6625-00-643-2777, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Jewell Instruments Llc. Government technical data includes 26 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN6625-00-643-2777
Primary Part Number53SN
Item NameMeter,audio Level
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerJewell Instruments Llc
StatusACTIVE
Meter Body Diameter Behind Mounting Flange2.734 INCHES NOMINAL IN
Mounting Facility Type and Quantity4 THREADED STUD(S)
Meter Depth Behind Mounting Flange1.282 INCHES NOMINAL IN
ColorUNABLE TO DECODE
Center to Center Distance Between Mounting Facilities Parallel to Width2.250 INCHES NOMINAL IN
Reference Number Differentiating CharacteristicsAS DIFFERENTIATED BY THE MEASUREMENT RANGE PER INDICATOR RQMT
MaterialPLASTIC
Accuracy in Percent-5.0 TO 5.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
Mounting Stud Diameter0.112 INCHES NOMINAL IN
Center to Center Distance Between Mounting Facilities Parallel to Length2.250 INCHES NOMINAL IN
Mounting Arrangement StyleFOUR HOLE/STUD RECTANGULAR/SQUARE
Installation DesignPANEL
Sensitivity Rating6.0 MILLIWATTS
Measurement Range-10.0 TO 6.0 DECIBELS SINGLE INDICATOR SINGLE RANGE
Dial Scale Marking ColorBLACK SINGLE INDICATOR SINGLE RANGE
Style DesignatorRECTANGULAR FLUSH MTG
Circuit Attachment Method and Quantity2 THREADED STUD
Mounting Stud Length0.440 INCHES NOMINAL IN
Meter Body Diameter Behind Mounting Flange2.734 INCHES NOMINAL IN
Mounting Facility Type and Quantity4 THREADED STUD(S)
Meter Depth Behind Mounting Flange1.282 INCHES NOMINAL IN
ColorUNABLE TO DECODE
Center to Center Distance Between Mounting Facilities Parallel to Width2.250 INCHES NOMINAL IN
Reference Number Differentiating CharacteristicsAS DIFFERENTIATED BY THE MEASUREMENT RANGE PER INDICATOR RQMT
MaterialPLASTIC
Accuracy in Percent-5.0 TO 5.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Unit of IssueEA
SMR CodeJ
Verified Substitutes 6
6625-00-234-0889SCC26227 INTERCHANGEABLE
Ammeter
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
6625-00-643-1596 INTERCHANGEABLE
Voltmeter
6625-00-752-7590 INTERCHANGEABLE
Voltmeter
6625-00-752-7615 INTERCHANGEABLE
Ammeter
6625-00-840-56441753983 INTERCHANGEABLE
Ammeter
Lockheed Martin Corporation Div Rms - Mitchel Field
6625-00-982-2154 INTERCHANGEABLE
Ammeter
Cross-Reference Index
Part NumberManufacturer
53SN Jewell Instruments Llc (USA)
Related Parts
6625-00-234-0889INTERCHANGEABLE
AMMETER
SCC26227
6625-00-643-1596INTERCHANGEABLE
VOLTMETER
6625-00-752-7590INTERCHANGEABLE
VOLTMETER
6625-00-752-7615INTERCHANGEABLE
AMMETER
6625-00-840-5644INTERCHANGEABLE
AMMETER
1753983
6625-00-982-2154INTERCHANGEABLE
AMMETER

Frequently Asked Questions

What is NSN 6625-00-643-2777?

NSN 6625-00-643-2777 is a Meter,audio Level, manufactured by Jewell Instruments Llc, classified under FSC 6625 (No Item Name Available). Status: active.

What are the part numbers for NSN 6625-00-643-2777?

NSN 6625-00-643-2777 has 1 cross-referenced part number: 53SN (Jewell Instruments Llc).

What NSN replaces 6625-00-643-2777?

There are 6 known substitutes for 6625-00-643-2777: 6625-00-234-0889, 6625-00-643-1596, 6625-00-752-7590 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 53SN?

Key specifications for 53SN: Meter Body Diameter Behind Mounting Flange: 2.734 INCHES NOMINAL IN; Mounting Facility Type and Quantity: 4 THREADED STUD(S); Meter Depth Behind Mounting Flange: 1.282 INCHES NOMINAL IN; Color: UNABLE TO DECODE. 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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