PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1391-P1Meter,audio Level

General Microwave Corporation Div Kratos Microwave Electronics · NSN 6625-00-424-4414 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-00-424-4414 — this item is cataloged by the U.S. Government under National Stock Number 6625-00-424-4414. Primary manufacturer part number: 1391-P1.
Features
  • Meter,audio Level — FSC 6625
  • Meter Depth Behind Mounting Flange: 2.000 INCHES NOMINAL IN
  • Meter Body Diameter Behind Mounting Flange: 3.000 INCHES NOMINAL IN
  • Accuracy in Percent: -1.0 TO 1.0 AT FULL SCALE SINGLE INDICATOR ALL RANGES
  • Sensitivity Rating: 10.0 MILLIAMPERES
  • FSC Application Data: TEST SET,ELECT. EQUIP.
  • Nuclear Hardness Critical Feature: NONHARDENED
  • Special Markings: NOISE FIGURE-DB; 50 OHM REF; 0.060 IN. THK RED ARC FROM 19 ON LOWER SCALE TO END OF SCALE IN
Applications
  • Applications requiring Copper Alloy construction
General Description

The Meter,audio Level, cataloged under National Stock Number 6625-00-424-4414, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is General Microwave Corporation Div Kratos Microwave Electronics. Government technical data includes 27 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 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. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN6625-00-424-4414
Primary Part Number1391-P1
Item NameMeter,audio Level
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerGeneral Microwave Corporation Div Kratos Microwave Electronics
StatusACTIVE
Meter Depth Behind Mounting Flange2.000 INCHES NOMINAL IN
Meter Body Diameter Behind Mounting Flange3.000 INCHES NOMINAL IN
Accuracy in Percent-1.0 TO 1.0 AT FULL SCALE SINGLE INDICATOR ALL RANGES
Sensitivity Rating10.0 MILLIAMPERES
FSC Application DataTEST SET,ELECT. EQUIP.
Nuclear Hardness Critical FeatureNONHARDENED
Special MarkingsNOISE FIGURE-DB; 50 OHM REF; 0.060 IN. THK RED ARC FROM 19 ON LOWER SCALE TO END OF SCALE IN
ColorUNABLE TO DECODE
Scale Selection MethodTERMINAL
Circuit Current for Which DesignedDC
MaterialCOPPER ALLOY
Dial Scale Marking ColorBLACK SINGLE INDICATOR ALL RANGES
Movement TypeMOVING COIL, PERMANENT MAGNET
Measurement Range+0.0 TO 10.0 DECIBELS SINGLE INDICATOR FIRST RANGE
Power SourceEXTERNAL
Indicator TypeDIAL W/POINTER
Features ProvidedKNIFE EDGE POINTER
Pointer ColorRED SINGLE INDICATOR ALL RANGES
Movement Suspension MethodJEWEL PIVOT BASE
Installation DesignPANEL
Style DesignatorRECTANGULAR FLUSH MTG
Scale Graduation TypeNONLINEAR SINGLE INDICATOR ALL RANGES
Measurement Range+10.0 TO 19.0 DECIBELS SINGLE INDICATOR SECOND RANGE
Environmental ProtectionCOLD RESISTANT AND HEAT RESISTANT AND VIBRATION RESISTANT
Furnished Items and QuantityTERM. HDW 2
Circuit Attachment Method and Quantity2 SOLDER LUG AND 2 THREADED STUD
Meter Body Diameter Behind Mounting Flange3.000 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
Successor6625-01-458-8540 (1391)
HAZMATNo
Shelf Life Code0
Criticality CodeN
Unit of IssueEA
SMR CodeJN
Weight0.0100 lbs
Cube0.0010 cu ft
Verified Substitutes 12
6625-01-458-85401391 SUCCESSOR
Plug-in Unit,electrical-Electron
Fluke Corp
6625-01-510-27221391 SUCCESSOR
Test Set,electronic Systems
Civacon
5330-00-236-14841391 INTERCHANGEABLE
Packing,preformed
Atlantic India Rubber Co Inc
4320-00-398-57201391 INTERCHANGEABLE
Ring,lantern
Curtiss-Wright Electro-Mechanical Corporation Div Epd
5365-00-520-1835M1391 INTERCHANGEABLE
Shim
Aerosonic Llc
3020-00-790-0298 INTERCHANGEABLE
Chain,roller
6635-01-071-1682 INTERCHANGEABLE
Tensiometer
5330-01-118-950429940-0415 INTERCHANGEABLE
Seal,plain Encased
Garlock Sealing Technologies Llc Dba Garlock Sealing Technologies Llc
5910-01-224-3624 INTERCHANGEABLE
Capacitor,fixed,electrolytic
4820-01-226-3249224-703-020-139-050 INTERCHANGEABLE
Valve,butterfly
Emerson Automation Solutions Final Control Us Lp
Cross-Reference Index
Part NumberManufacturer
1391-P1 PRIMARY General Microwave Corporation Div Kratos Microwave Electronics (USA)
1391 General Microwave Corporation Div Kratos Microwave Electronics (USA)
Related Parts
SUCCESSOR 6625-01-458-8540 Plug-in Unit,electrical-Electron · 1391
6625-01-510-2722SUCCESSOR
TEST SET,ELECTRONIC SYSTEMS
1391
5330-00-236-1484INTERCHANGEABLE
PACKING,PREFORMED
1391
4320-00-398-5720INTERCHANGEABLE
RING,LANTERN
1391
5365-00-520-1835INTERCHANGEABLE
SHIM
M1391
3020-00-790-0298INTERCHANGEABLE
CHAIN,ROLLER
6635-01-071-1682INTERCHANGEABLE
TENSIOMETER
5330-01-118-9504INTERCHANGEABLE
SEAL,PLAIN ENCASED
29940-0415
5910-01-224-3624INTERCHANGEABLE
CAPACITOR,FIXED,ELECTROLYTIC
4820-01-226-3249INTERCHANGEABLE
VALVE,BUTTERFLY
224-703-020-139-050
4820-01-251-6226INTERCHANGEABLE
STEM,FLUID VALVE
145-205-030-139-000
4820-01-291-5803INTERCHANGEABLE
VALVE,SAFETY RELIEF
0600400

Frequently Asked Questions

What is NSN 6625-00-424-4414?

NSN 6625-00-424-4414 is a Meter,audio Level, manufactured by General Microwave Corporation Div Kratos Microwave Electronics, classified under FSC 6625 (No Item Name Available). Status: active.

What are the part numbers for NSN 6625-00-424-4414?

NSN 6625-00-424-4414 has 2 cross-referenced part numbers: 1391-P1 (General Microwave Corporation Div Kratos Microwave Electronics), 1391 (General Microwave Corporation Div Kratos Microwave Electronics).

What NSN replaces 6625-00-424-4414?

There are 12 known substitutes for 6625-00-424-4414: 6625-01-458-8540, 6625-01-510-2722, 5330-00-236-1484 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1391-P1?

Key specifications for 1391-P1: Meter Depth Behind Mounting Flange: 2.000 INCHES NOMINAL IN; Meter Body Diameter Behind Mounting Flange: 3.000 INCHES NOMINAL IN; Accuracy in Percent: -1.0 TO 1.0 AT FULL SCALE SINGLE INDICATOR ALL RANGES; Sensitivity Rating: 10.0 MILLIAMPERES. 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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