PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4220Calibrator,audio Level

B-K Medical Systems, Inc. · NSN 6625-01-011-8836 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-01-011-8836 — this item is cataloged by the U.S. Government under National Stock Number 6625-01-011-8836. Primary manufacturer part number: 4220.
Features
  • Calibrator,audio Level — FSC 6625
  • Indicator Type: NUMBERED DIAL
  • Calibration Accuracy Rating: PORM 0,15 DB DB
  • Unpackaged Unit Weight: 1.500 POUNDS LBS
  • Overall Diameter: 1.400 INCHES NOMINAL IN
  • Functional Description: SOUND SOURCE FOR CALIBRATION OF SOUND LEVEL METERS USING 1/8, 1/4, 1/2 AND 1 IN. MICROPHONES IN
  • Calibration Accuracy Rating: PORM 0,15 DB DB
  • Indicator Type: NUMBERED DIAL
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Calibrator,audio Level, cataloged under National Stock Number 6625-01-011-8836, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is B-K Medical Systems, Inc.. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 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.

Technical Specifications
ParameterValue
NSN6625-01-011-8836
Primary Part Number4220
Item NameCalibrator,audio Level
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerB-K Medical Systems, Inc.
StatusACTIVE
Indicator TypeNUMBERED DIAL
Calibration Accuracy RatingPORM 0,15 DB DB
Unpackaged Unit Weight1.500 POUNDS LBS
Overall Diameter1.400 INCHES NOMINAL IN
Functional DescriptionSOUND SOURCE FOR CALIBRATION OF SOUND LEVEL METERS USING 1/8, 1/4, 1/2 AND 1 IN. MICROPHONES IN
Calibration Accuracy RatingPORM 0,15 DB DB
Indicator TypeNUMBERED DIAL
Unpackaged Unit Weight1.500 POUNDS LBS
Overall Diameter1.400 INCHES NOMINAL IN
Functional DescriptionSOUND SOURCE FOR CALIBRATION OF SOUND LEVEL METERS USING 1/8, 1/4, 1/2 AND 1 IN. MICROPHONES IN
Lifecycle & Compliance
Acquisition StatusACTIVE
Successor6625-01-352-1357 (4220)
HAZMATNo
Verified Substitutes 3
6625-00-926-690304220 SUCCESSOR
Ammeter
Simpson Electric Company, Inc.
6625-01-352-13574220 SUCCESSOR
Meter,microwatt
Boonton Electronics Corporation Div Boonton Electronics
Extractor,electrical Card
Cross-Reference Index
Part NumberManufacturer
4220 B-K Medical Systems, Inc. (USA)
4220 Hottinger Bruel & Kjaer Australia Spectris Australia Pty Limited (AUS)
Related Parts
SUCCESSOR 6625-01-352-1357 Meter,microwatt · 4220
6625-00-926-6903SUCCESSOR
AMMETER
04220
5998-01-533-3644SUCCESSOR
EXTRACTOR,ELECTRICAL CARD

Frequently Asked Questions

What is NSN 6625-01-011-8836?

NSN 6625-01-011-8836 is a Calibrator,audio Level, manufactured by B-K Medical Systems, Inc., classified under FSC 6625 (No Item Name Available). Status: active.

What are the part numbers for NSN 6625-01-011-8836?

NSN 6625-01-011-8836 has 2 cross-referenced part numbers: 4220 (B-K Medical Systems, Inc.), 4220 (Hottinger Bruel & Kjaer Australia Spectris Australia Pty Limited).

What NSN replaces 6625-01-011-8836?

There are 3 known substitutes for 6625-01-011-8836: 6625-00-926-6903, 6625-01-352-1357, 5998-01-533-3644. Verify interchangeability with system specifications before substitution.

What are the specifications of 4220?

Key specifications for 4220: Indicator Type: NUMBERED DIAL; Calibration Accuracy Rating: PORM 0,15 DB DB; Unpackaged Unit Weight: 1.500 POUNDS LBS; Overall Length: 9.000 INCHES NOMINAL IN. 14 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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