PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

19ML508Meter,audio Level

Keysight Technologies Inc · NSN 6625-00-649-3244 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-00-649-3244 — this item is cataloged by the U.S. Government under National Stock Number 6625-00-649-3244. Primary manufacturer part number: 19ML508.
Features
  • Meter,audio Level — FSC 6625
  • Material: PLASTIC
  • Meter Depth Behind Mounting Flange: 1.380 INCHES NOMINAL IN
  • Style Designator: ROUND FLUSH MTG
  • Mounting Facility Type and Quantity: 3 FLANGE
  • Mounting Bolt Circle Diameter: 3.160 INCHES NOMINAL IN
  • Color: UNABLE TO DECODE
  • Special Markings: ZERO SET,POWER SET,POWER SET AND ZERO SET INDICATING LINES IN RED
Applications
  • Applications requiring Plastic construction
General Description

The Meter,audio Level, cataloged under National Stock Number 6625-00-649-3244, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Keysight Technologies Inc. Government technical data includes 28 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN6625-00-649-3244
Primary Part Number19ML508
Item NameMeter,audio Level
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerKeysight Technologies Inc
StatusCANCELLED
MaterialPLASTIC
Meter Depth Behind Mounting Flange1.380 INCHES NOMINAL IN
Style DesignatorROUND FLUSH MTG
Mounting Facility Type and Quantity3 FLANGE
Mounting Bolt Circle Diameter3.160 INCHES NOMINAL IN
ColorUNABLE TO DECODE
Special MarkingsZERO SET,POWER SET,POWER SET AND ZERO SET INDICATING LINES IN RED
Dial Scale Marking ColorBLACK SINGLE INDICATOR SINGLE RANGE
Meter Body Diameter Behind Mounting Flange2.760 INCHES NOMINAL IN
Accuracy in Percent-2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
Mounting Arrangement StyleTHREE HOLE/STUD BOLT CIRCLE
Circuit Attachment Method and Quantity2 SOLDER LUG
Overall Diameter3.500 INCHES NOMINAL IN
Installation DesignPANEL
MaterialPLASTIC
Meter Depth Behind Mounting Flange1.380 INCHES NOMINAL IN
Style DesignatorROUND FLUSH MTG
Mounting Facility Type and Quantity3 FLANGE
Mounting Bolt Circle Diameter3.160 INCHES NOMINAL IN
ColorUNABLE TO DECODE
Special MarkingsZERO SET,POWER SET,POWER SET AND ZERO SET INDICATING LINES IN RED
Dial Scale Marking ColorBLACK SINGLE INDICATOR SINGLE RANGE
Meter Body Diameter Behind Mounting Flange2.760 INCHES NOMINAL IN
Accuracy in Percent-2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
Mounting Arrangement StyleTHREE HOLE/STUD BOLT CIRCLE
Circuit Attachment Method and Quantity2 SOLDER LUG
Overall Diameter3.500 INCHES NOMINAL IN
Installation DesignPANEL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
No Item Name Available
5365-00-202-934811237 INTERCHANGEABLE
Plug,machine Thread
Prestolite Electric Inc
5310-00-220-668211237 INTERCHANGEABLE
Nut,plain,hexagon
Napco International Llc Dba Napco International Inc
5136-00-223-622854780 INTERCHANGEABLE
Tap,thread Cutting
Tapco Cutting Tools Inc
4730-00-496-27007761915 INTERCHANGEABLE
Coupling,pipe
Patriot Valve & Fitting Corporation Dba Patriot Logistics
5995-00-497-20012524-A-18 INTERCHANGEABLE
Cord Assembly,electrical
Fluke Electronics Corp
5905-00-723-728511237-001 INTERCHANGEABLE
Resistor,fixed,wire Wound,induct
Dynalec Corporation
3120-00-727-525611237 INTERCHANGEABLE
Bushing,sleeve
Grimes Aerospace Company
5330-00-861-859011237 INTERCHANGEABLE
Seal,plain Encased
Westerbeke Corporation
5360-00-981-0104 INTERCHANGEABLE
Spring,spiral,torsion
Cross-Reference Index
Part NumberManufacturer
19ML508 Hewlett-Packard Company Dba HP (USA)
1531-51 Solartron Electronics Inc Weston Instruments Div (USA)
19ML508 PRIMARY Keysight Technologies Inc (USA)
112-37 Keysight Technologies, Inc. (USA)
19ML508 Agilent Technologies, Inc. Div Agilent Technologies Headquarters (USA)
112-37 Keysight Technologies Inc (USA)
19ML508 Keysight Technologies, Inc. (USA)
112-37 Agilent Technologies, Inc. Div Agilent Technologies Headquarters (USA)
112-37 Hewlett-Packard Company Dba HP (USA)
Related Parts
6625-00-510-1817SUCCESSOR
NO ITEM NAME AVAILABLE
5365-00-202-9348INTERCHANGEABLE
PLUG,MACHINE THREAD
11237
5310-00-220-6682INTERCHANGEABLE
NUT,PLAIN,HEXAGON
11237
5136-00-223-6228INTERCHANGEABLE
TAP,THREAD CUTTING
54780
4730-00-496-2700INTERCHANGEABLE
COUPLING,PIPE
7761915
5995-00-497-2001INTERCHANGEABLE
CORD ASSEMBLY,ELECTRICAL
2524-A-18
5905-00-723-7285INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND,INDUCT
11237-001
3120-00-727-5256INTERCHANGEABLE
BUSHING,SLEEVE
11237
5330-00-861-8590INTERCHANGEABLE
SEAL,PLAIN ENCASED
11237
5360-00-981-0104INTERCHANGEABLE
SPRING,SPIRAL,TORSION
6210-00-986-2121INTERCHANGEABLE
LIGHT ASSEMBLY,INDICATOR
11237
4320-01-079-0018INTERCHANGEABLE
IMPELLER,PUMP,CENTRIFUGAL
38625-001 14000

Frequently Asked Questions

What is NSN 6625-00-649-3244?

NSN 6625-00-649-3244 is a Meter,audio Level, manufactured by Keysight Technologies Inc, classified under FSC 6625 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6625-00-649-3244?

NSN 6625-00-649-3244 has 9 cross-referenced part numbers: 19ML508 (Hewlett-Packard Company Dba HP), 1531-51 (Solartron Electronics Inc Weston Instruments Div), 19ML508 (Keysight Technologies Inc), 112-37 (Keysight Technologies, Inc.), 19ML508 (Agilent Technologies, Inc. Div Agilent Technologies Headquarters) and 4 more.

What NSN replaces 6625-00-649-3244?

There are 12 known substitutes for 6625-00-649-3244: 6625-00-510-1817, 5365-00-202-9348, 5310-00-220-6682 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 19ML508?

Key specifications for 19ML508: Material: PLASTIC; Meter Depth Behind Mounting Flange: 1.380 INCHES NOMINAL IN; Style Designator: ROUND FLUSH MTG; Mounting Facility Type and Quantity: 3 FLANGE. 28 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6625-00-649-3244 still in active supply?

NSN 6625-00-649-3244 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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