PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6551840Switch,rotary

Naval Sea Systems Command · NSN 5930-01-303-0565 · FSC 5930 · No Item Name Available
Verified by PartsTable
NSN 5930-01-303-0565 — this item is cataloged by the U.S. Government under National Stock Number 5930-01-303-0565. Primary manufacturer part number: 6551840.
Features
  • Switch,rotary — FSC 5930
  • 8 verified cross-references
  • Primary manufacturer: Naval Sea Systems Command
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Switch,rotary, cataloged under National Stock Number 5930-01-303-0565, is classified within Federal Supply Class 5930 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Naval Sea Systems Command. This item has 8 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameSwitch,rotary
FSC / FSG5930 — No Item Name Available (FSG 59)
ManufacturersNaval Sea Systems Command (CAGE 53711); Itt and Varo a Joint Venture (CAGE 66868); Cole Instrument Corp. Dba Cole Instruments (CAGE 31946); Grayhill Inc (CAGE 81073); Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir (CAGE 80063)
Technical Specifications
ParameterValue
NSN5930-01-303-0565
Primary Part Number6551840
Item NameSwitch,rotary
FSC / FSG5930 / 59 — No Item Name Available
ManufacturerNaval Sea Systems Command
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5905-00-042-5099225027-27 INTERCHANGEABLE
Resistor,variable,wire Wound,non
Raytheon Company
5340-00-563-8770300502 INTERCHANGEABLE
Bracket,mounting
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
5910-00-726-594830050-21 INTERCHANGEABLE
Capacitor,fixed,electrolytic
Oeco, Llc Dba Pacific Scientific Oeco
6210-00-892-253030050-2 INTERCHANGEABLE
Lens,light
Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch
5330-00-994-1605300502 INTERCHANGEABLE
Packing Ring
Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer
4610-01-289-36393005-02 INTERCHANGEABLE
Cabinet Assembly,brominator
Pentair Filtration Solutions, Llc
4920-01-571-8221300-502 INTERCHANGEABLE
Battery,ram Back Up
Ajax Tocco Magnethermic Corporation Dba Pines Engineering Div Pines Engineering
Cross-Reference Index
Part NumberManufacturer
6551840 Naval Sea Systems Command (USA)
300502 Itt and Varo a Joint Venture (USA)
300502-1 Itt and Varo a Joint Venture (USA)
1800-3791 Cole Instrument Corp. Dba Cole Instruments (USA)
50MY231195 Grayhill Inc (USA)
1800-3791-3 Cole Instrument Corp. Dba Cole Instruments (USA)
A3144381 Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir (USA)
50MY23864 Grayhill Inc (USA)
Related Parts
5905-00-042-5099INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,NON
225027-27
5340-00-563-8770INTERCHANGEABLE
BRACKET,MOUNTING
300502
5910-00-726-5948INTERCHANGEABLE
CAPACITOR,FIXED,ELECTROLYTIC
30050-21
6210-00-892-2530INTERCHANGEABLE
LENS,LIGHT
30050-2
5330-00-994-1605INTERCHANGEABLE
PACKING RING
300502
4610-01-289-3639INTERCHANGEABLE
CABINET ASSEMBLY,BROMINATOR
3005-02
4920-01-571-8221INTERCHANGEABLE
BATTERY,RAM BACK UP
300-502

Frequently Asked Questions

What is NSN 5930-01-303-0565?

NSN 5930-01-303-0565 is a Switch,rotary, manufactured by Naval Sea Systems Command, classified under FSC 5930 (No Item Name Available). Status: active.

What are the part numbers for NSN 5930-01-303-0565?

NSN 5930-01-303-0565 has 8 cross-referenced part numbers: 6551840 (Naval Sea Systems Command), 300502 (Itt and Varo a Joint Venture), 300502-1 (Itt and Varo a Joint Venture), 1800-3791 (Cole Instrument Corp. Dba Cole Instruments), 50MY231195 (Grayhill Inc) and 3 more.

What NSN replaces 5930-01-303-0565?

There are 7 known substitutes for 5930-01-303-0565: 5905-00-042-5099, 5340-00-563-8770, 5910-00-726-5948 and 4 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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