PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

U23-01-177Electrical Meter Subassembly

Belfort Instrument Company · NSN 6625-01-540-8213 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-01-540-8213 — this item is cataloged by the U.S. Government under National Stock Number 6625-01-540-8213. Primary manufacturer part number: U23-01-177.
Features
  • Electrical Meter Subassembly — FSC 6625
  • 2 verified cross-references
  • Primary manufacturer: Belfort Instrument Company
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Electrical Meter Subassembly, cataloged under National Stock Number 6625-01-540-8213, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Belfort Instrument Company. This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6625-01-540-8213
Primary Part NumberU23-01-177
Item NameElectrical Meter Subassembly
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerBelfort Instrument Company
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
Voltage Standard
Meter,multimeter
Multimeter
6625-00-149-630160086 INTERCHANGEABLE
Multimeter
Naval Ship Systems Command
6625-00-185-7801260 INTERCHANGEABLE
Oscillograph
Gould Instrument Systems Inc
6625-00-542-1133 INTERCHANGEABLE
Multimeter
6625-01-241-1312 INTERCHANGEABLE
Groove Micrometer
6625-01-265-6000FLUKE-27II/FM INTERCHANGEABLE
Multimeter
Fluke Corp
7050-01-473-3276260 INTERCHANGEABLE
Converter,digital to Digital
Telebyte Technology Inc Remark Datacom Div
Cross-Reference Index
Part NumberManufacturer
260 Belfort Instrument Company (USA)
U23-01-177 PRIMARY Belfort Instrument Company (USA)
Related Parts
6625-00-001-6918SUCCESSOR
VOLTAGE STANDARD
6625-00-867-2251SUCCESSOR
METER,MULTIMETER
6625-01-619-9369SUCCESSOR
MULTIMETER
6625-00-149-6301INTERCHANGEABLE
MULTIMETER
60086
6625-00-185-7801INTERCHANGEABLE
OSCILLOGRAPH
260
6625-00-542-1133INTERCHANGEABLE
MULTIMETER
6625-01-241-1312INTERCHANGEABLE
GROOVE MICROMETER
6625-01-265-6000INTERCHANGEABLE
MULTIMETER
FLUKE-27II/FM
7050-01-473-3276INTERCHANGEABLE
CONVERTER,DIGITAL TO DIGITAL
260

Frequently Asked Questions

What is NSN 6625-01-540-8213?

NSN 6625-01-540-8213 is a Electrical Meter Subassembly, manufactured by Belfort Instrument Company, classified under FSC 6625 (No Item Name Available). Status: active.

What are the part numbers for NSN 6625-01-540-8213?

NSN 6625-01-540-8213 has 2 cross-referenced part numbers: 260 (Belfort Instrument Company), U23-01-177 (Belfort Instrument Company).

What NSN replaces 6625-01-540-8213?

There are 9 known substitutes for 6625-01-540-8213: 6625-00-001-6918, 6625-00-867-2251, 6625-01-619-9369 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of U23-01-177?

Key specifications for U23-01-177: Overall Height: 0.870 INCHES NOMINAL IN; Overall Length: 1.125 INCHES NOMINAL IN; Special Features: THE S380, S370 AND S371R BECOME FIBEROPTIC POWER METERS WHEN COUPLED WITH THE MODEL 260, 261 OR 280 DETECTORS;THE MODEL 260 SILICON DETECTOR PROVIDES HIGHLY SENSITIVE MEASUREMENTS IN THE 650-950 NANOMETER REGION; Part Name Assigned by Controlling Agency: MODEL 260 SILICON SENSOR HEAD. 8 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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