PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

17977Voltmeter

Simpson Electric Company, Inc. · NSN 6625-01-441-3366 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-01-441-3366 — this item is cataloged by the U.S. Government under National Stock Number 6625-01-441-3366. Primary manufacturer part number: 17977.
Features
  • Voltmeter — FSC 6625
  • 2 verified cross-references
  • Primary manufacturer: Simpson Electric Company, Inc.
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Voltmeter, cataloged under National Stock Number 6625-01-441-3366, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Simpson Electric Company, Inc.. This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN6625-01-441-3366
Primary Part Number17977
Item NameVoltmeter
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerSimpson Electric Company, Inc.
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Unit of IssueEA
SMR CodeZ
Weight0.8973 lbs
Cube0.0337 cu ft
Verified Substitutes 7
6625-01-467-414817977ASTERISK SUCCESSOR
Ammeter
Eagle Instruments & Controls Inc Dba Eagle Instruments & Controls Inc
3110-00-555-5217 INTERCHANGEABLE
Bearing,ball,annular
5950-01-031-09203008409-127-101 INTERCHANGEABLE
Transformer,power
Lockheed Martin Corporation Div Lockheed Martin Systems & Global Solutions
5925-01-047-6301 INTERCHANGEABLE
Circuit Breaker
5962-01-075-6872932821-528 INTERCHANGEABLE
Microcircuit,memory
Raytheon Company Dba Raytheon
5315-01-134-18201797-7 INTERCHANGEABLE
Key
Philadelphia Valve Co
6515-01-590-4207500443-1 INTERCHANGEABLE
Agitator,blood Storage
Helmer Scientific Llc Dba Helmer
Cross-Reference Index
Part NumberManufacturer
17977 PRIMARY Simpson Electric Company, Inc. (USA)
2523-17977 Simpson Electric Company, Inc. (USA)
Related Parts
6625-01-467-4148SUCCESSOR
AMMETER
17977ASTERISK
3110-00-555-5217INTERCHANGEABLE
BEARING,BALL,ANNULAR
5950-01-031-0920INTERCHANGEABLE
TRANSFORMER,POWER
3008409-127-101
5925-01-047-6301INTERCHANGEABLE
CIRCUIT BREAKER
5962-01-075-6872INTERCHANGEABLE
MICROCIRCUIT,MEMORY
932821-528
5315-01-134-1820INTERCHANGEABLE
KEY
1797-7
6515-01-590-4207INTERCHANGEABLE
AGITATOR,BLOOD STORAGE
500443-1

Frequently Asked Questions

What is NSN 6625-01-441-3366?

NSN 6625-01-441-3366 is a Voltmeter, manufactured by Simpson Electric Company, Inc., classified under FSC 6625 (No Item Name Available). Status: active.

What are the part numbers for NSN 6625-01-441-3366?

NSN 6625-01-441-3366 has 2 cross-referenced part numbers: 17977 (Simpson Electric Company, Inc.), 2523-17977 (Simpson Electric Company, Inc.).

What NSN replaces 6625-01-441-3366?

There are 7 known substitutes for 6625-01-441-3366: 6625-01-467-4148, 3110-00-555-5217, 5950-01-031-0920 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 17977?

Key specifications for 17977: Special Features: 250 DEGREE LONG SCALE; End Item Identification: MISC; LANDING CRAFT AIR CUSHION (LCAC); Special Features: 250 DEGREE LONG SCALE; End Item Identification: MISC; LANDING CRAFT AIR CUSHION (LCAC). 4 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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