PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

S6505-590833Indicator,electrical Tachometer

Naval Ship Systems Command · NSN 6680-00-358-1844 · FSC 6680 · No Item Name Available
Verified by PartsTable
NSN 6680-00-358-1844 — this item is cataloged by the U.S. Government under National Stock Number 6680-00-358-1844. Primary manufacturer part number: S6505-590833.
Features
  • Indicator,electrical Tachometer — FSC 6680
  • Current Type: AC
  • Scale Range: +0.1 TO 999.0 PROPELLER REVOLUTIONS PER MINUTE SINGLE INDICATOR SINGLE SCALE
  • Frequency Rating: 60.0 HERTZ NOMINAL
  • AC Voltage Rating: 115.0 VOLTS NOMINAL
  • 2 verified cross-references
  • Primary manufacturer: Naval Ship Systems Command
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Indicator,electrical Tachometer, cataloged under National Stock Number 6680-00-358-1844, is classified within Federal Supply Class 6680 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Naval Ship Systems Command. Government technical data includes 4 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6680-00-358-1844
Primary Part NumberS6505-590833
Item NameIndicator,electrical Tachometer
FSC / FSG6680 / 66 — No Item Name Available
ManufacturerNaval Ship Systems Command
StatusACTIVE
Current TypeAC
Scale Range+0.1 TO 999.0 PROPELLER REVOLUTIONS PER MINUTE SINGLE INDICATOR SINGLE SCALE
Frequency Rating60.0 HERTZ NOMINAL
AC Voltage Rating115.0 VOLTS NOMINAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5998-00-491-5757101220 INTERCHANGEABLE
Circuit Card Assembly
Aimtron Systems, Llc
6150-00-562-3507372-1527-00 INTERCHANGEABLE
Bus,conductor
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
6150-01-024-3574190728 INTERCHANGEABLE
Bus,conductor
Fluke Corp
5305-01-341-3544 INTERCHANGEABLE
Screw,machine
6515-01-506-478910-1220 INTERCHANGEABLE
Container,sealet
Sklar Corporation Dba Sklar Instruments
Cross-Reference Index
Part NumberManufacturer
S6505-590833 Naval Ship Systems Command (USA)
10-1220 L3 Technologies, Inc. (USA)
Related Parts
5998-00-491-5757INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
101220
6150-00-562-3507INTERCHANGEABLE
BUS,CONDUCTOR
372-1527-00
6150-01-024-3574INTERCHANGEABLE
BUS,CONDUCTOR
190728
5305-01-341-3544INTERCHANGEABLE
SCREW,MACHINE
6515-01-506-4789INTERCHANGEABLE
CONTAINER,SEALET
10-1220

Frequently Asked Questions

What is NSN 6680-00-358-1844?

NSN 6680-00-358-1844 is a Indicator,electrical Tachometer, manufactured by Naval Ship Systems Command, classified under FSC 6680 (No Item Name Available). Status: active.

What are the part numbers for NSN 6680-00-358-1844?

NSN 6680-00-358-1844 has 2 cross-referenced part numbers: S6505-590833 (Naval Ship Systems Command), 10-1220 (L3 Technologies, Inc.).

What NSN replaces 6680-00-358-1844?

There are 5 known substitutes for 6680-00-358-1844: 5998-00-491-5757, 6150-00-562-3507, 6150-01-024-3574 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of S6505-590833?

Key specifications for S6505-590833: Current Type: AC; Scale Range: +0.1 TO 999.0 PROPELLER REVOLUTIONS PER MINUTE SINGLE INDICATOR SINGLE SCALE; Special Features: WATERTIGHT;O/A DIMNS 15.375 IN. LG,7.938 IN. HG,10.750 IN. WD;MTG METHOD-PANEL;SCALE CALIBRATION:RPM IN; Frequency Rating: 60.0 HERTZ NOMINAL. 5 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com