PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

190AQ-Meter

Boonton Electronics Corporation Div Boonton Electronics · NSN 6625-00-669-3273 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-00-669-3273 — this item is cataloged by the U.S. Government under National Stock Number 6625-00-669-3273. Primary manufacturer part number: 190A.
Features
  • Q-Meter — FSC 6625
  • Material: STEEL HOUSING
  • Enclosure Feature: SINGLE ITEM W/HOUSING
  • Height: 10.500 INCHES NOMINAL IN
  • Depth: 9.500 INCHES NOMINAL IN
  • AC Voltage Rating: 90.0 VOLTS MINIMUM AND 130.0 VOLTS MAXIMUM LOCATION NOT OTHERWISE SPECIFIED
  • Test Type for Which Designed: Q-MEASUREMENTS
  • Electrical Power Source Relationship: OPERATING
Applications
  • Applications requiring Steel Housing construction
General Description

The Q-Meter, cataloged under National Stock Number 6625-00-669-3273, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Boonton Electronics Corporation Div Boonton Electronics. Government technical data includes 22 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN6625-00-669-3273
Primary Part Number190A
Item NameQ-Meter
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerBoonton Electronics Corporation Div Boonton Electronics
StatusCANCELLED
MaterialSTEEL HOUSING
Enclosure FeatureSINGLE ITEM W/HOUSING
Height10.500 INCHES NOMINAL IN
Depth9.500 INCHES NOMINAL IN
AC Voltage Rating90.0 VOLTS MINIMUM AND 130.0 VOLTS MAXIMUM LOCATION NOT OTHERWISE SPECIFIED
Test Type for Which DesignedQ-MEASUREMENTS
Electrical Power Source RelationshipOPERATING
Width13.125 INCHES NOMINAL IN
Frequency Rating60.0 HERTZ NOMINAL LOCATION NOT OTHERWISE SPECIFIED
PhaseSINGLE LOCATION NOT OTHERWISE SPECIFIED
Supplementary FeaturesTUBES SUPPLIES 1-538A,1-537A,1-9005,2-5718,1-OBS A
MaterialSTEEL HOUSING
Enclosure FeatureSINGLE ITEM W/HOUSING
Height10.500 INCHES NOMINAL IN
Depth9.500 INCHES NOMINAL IN
AC Voltage Rating90.0 VOLTS MINIMUM AND 130.0 VOLTS MAXIMUM LOCATION NOT OTHERWISE SPECIFIED
Test Type for Which DesignedQ-MEASUREMENTS
Electrical Power Source RelationshipOPERATING
Width13.125 INCHES NOMINAL IN
Frequency Rating60.0 HERTZ NOMINAL LOCATION NOT OTHERWISE SPECIFIED
PhaseSINGLE LOCATION NOT OTHERWISE SPECIFIED
Supplementary FeaturesTUBES SUPPLIES 1-538A,1-537A,1-9005,2-5718,1-OBS A
Lifecycle & Compliance
Acquisition StatusCANCELLED
Successor6625-00-812-2550 (190A)
HAZMATNo
Verified Substitutes 11
No Item Name Available
6625-00-812-2550190A SUCCESSOR
Generator,signal
Tektronix, Inc.
5340-00-450-4522A1170B INTERCHANGEABLE
Key Blank
Ilco Unican Corp Dba Wolf Sales
5935-00-476-3957190A INTERCHANGEABLE
Plug,telephone
Switchcraft Inc.
5355-00-559-5266 INTERCHANGEABLE
Knob
6675-00-580-3167190B LEVEL AND 863 TRIPOD INTERCHANGEABLE
Level,surveying
Chicago Steel Tape Co Inc Berger Instruments Co Inc
5360-00-696-3221170A INTERCHANGEABLE
Spring,helical,extension
Peterson Spring a Peterson American Co Fastener and Special Products
5985-00-888-1466MP292A INTERCHANGEABLE
Adapter,waveguide
Keysight Technologies Inc
5120-00-903-7851190A INTERCHANGEABLE
Jack,screw,hand
L.s. Starrett Company (the) Div Tool Division
4930-01-145-5366190-0114 INTERCHANGEABLE
Nozzle,fuel and Oil Servicing
Opw Fueling Components Inc. Div Opw Fueling Components
Cross-Reference Index
Part NumberManufacturer
190A PRIMARY Boonton Electronics Corporation Div Boonton Electronics (USA)
170A Agilent Technologies Inc. Div Power Products Site (USA)
190A Agilent Technologies Inc. Div Power Products Site (USA)
170A Boonton Electronics Corporation Div Boonton Electronics (USA)
Related Parts
SUCCESSOR 6625-00-812-2550 Generator,signal · 190A
6625-00-643-3777SUCCESSOR
NO ITEM NAME AVAILABLE
5340-00-450-4522INTERCHANGEABLE
KEY BLANK
A1170B
5935-00-476-3957INTERCHANGEABLE
PLUG,TELEPHONE
190A
5355-00-559-5266INTERCHANGEABLE
KNOB
6675-00-580-3167INTERCHANGEABLE
LEVEL,SURVEYING
190B LEVEL AND 863 TRIPOD
5360-00-696-3221INTERCHANGEABLE
SPRING,HELICAL,EXTENSION
170A
5985-00-888-1466INTERCHANGEABLE
ADAPTER,WAVEGUIDE
MP292A
5120-00-903-7851INTERCHANGEABLE
JACK,SCREW,HAND
190A
4930-01-145-5366INTERCHANGEABLE
NOZZLE,FUEL AND OIL SERVICING
190-0114
1670-01-226-5300INTERCHANGEABLE
SLING,RESCUE,HELICOPTER
190

Frequently Asked Questions

What is NSN 6625-00-669-3273?

NSN 6625-00-669-3273 is a Q-Meter, manufactured by Boonton Electronics Corporation Div Boonton Electronics, classified under FSC 6625 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6625-00-669-3273?

NSN 6625-00-669-3273 has 4 cross-referenced part numbers: 190A (Boonton Electronics Corporation Div Boonton Electronics), 170A (Agilent Technologies Inc. Div Power Products Site), 190A (Agilent Technologies Inc. Div Power Products Site), 170A (Boonton Electronics Corporation Div Boonton Electronics).

What NSN replaces 6625-00-669-3273?

There are 11 known substitutes for 6625-00-669-3273: 6625-00-643-3777, 6625-00-812-2550, 5340-00-450-4522 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 190A?

Key specifications for 190A: Material: STEEL HOUSING; Enclosure Feature: SINGLE ITEM W/HOUSING; Special Features: EXPANDED SENSITIVITIES PROVIDED BY "LO Q" AND "DELTA Q" SCALE; INTERNALLY REGULATED; Height: 10.500 INCHES NOMINAL IN. 24 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6625-00-669-3273 still in active supply?

NSN 6625-00-669-3273 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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