PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MIL-L-24560/2Light,navigational,marine

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 6220-01-185-4310 · FSC 6220 · No Item Name Available
Verified by PartsTable
NSN 6220-01-185-4310 — this item is cataloged by the U.S. Government under National Stock Number 6220-01-185-4310. Primary manufacturer part number: MIL-L-24560/2.
Features
  • Light,navigational,marine — FSC 6220
  • Shape: STRAIGHT
  • Lens Transparency: TRANSPARENTTRANSPARENT
  • Lens Color: REDRED
  • Mounting Base Diameter: 4.250 INCHES NOMINAL4.250 INCHES NOMINAL IN
  • Mounting Base Height: 2.875 INCHES NOMINAL2.875 INCHES NOMINAL IN
  • Mounting Method: BASEBASE
  • Lamp Type Accommodated and Quantity: 1 INCANDESCENT1 INCANDESCENT
Applications
  • Area illumination
  • Indicator and warning display
  • Navigation and signal lighting
  • Applications requiring Plastic Base construction
General Description

The Light,navigational,marine, cataloged under National Stock Number 6220-01-185-4310, is classified within Federal Supply Class 6220 (No Item Name Available) of the Lighting Fixtures and Lamps group. The primary manufacturer of record is Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6220-01-185-4310
Primary Part NumberMIL-L-24560/2
Item NameLight,navigational,marine
FSC / FSG6220 / 62 — No Item Name Available
ManufacturerMilitary Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
StatusACTIVE
ShapeSTRAIGHT
Lens TransparencyTRANSPARENTTRANSPARENT
Lens ColorREDRED
Mounting Base Diameter4.250 INCHES NOMINAL4.250 INCHES NOMINAL IN
Mounting Base Height2.875 INCHES NOMINAL2.875 INCHES NOMINAL IN
Mounting MethodBASEBASE
Lamp Type Accommodated and Quantity1 INCANDESCENT1 INCANDESCENT
Lamp Base Type AccommodatedTHREE CONTACT MEDIUM SCREWTHREE CONTACT MEDIUM SCREW
MaterialPLASTIC BASE
Overall Diameter4.750 INCHES NOMINAL4.750 INCHES NOMINAL IN
Lens Surface ConditionSMOOTH BACK
Voltage Rating in Volts120.0 AC NOMINAL120.0 AC NOMINAL
Lens Type and Quantity1 CYLINDRICAL, FLUTED, LONG1 CYLINDRICAL, FLUTED, LONG
Hazardous Locations/environmental ProtectionSPLASHPROOFSPLASHPROOF
Lens Surface ConditionFRESNEL FACE
MaterialGLASS LENS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
6220-00-731-9197 INTERCHANGEABLE
Light,navigational,marine
6220-01-162-7954 INTERCHANGEABLE
Light,navigational,marine
6220-01-185-5545 INTERCHANGEABLE
Base,light,navigational,marine
6220-01-195-0087 INTERCHANGEABLE
Light,navigational,marine
Cross-Reference Index
Part NumberManufacturer
MIL-L-24560/2 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
M24560/2-002 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
M24560/2-002 SYM 115.1 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
M24560/2-0022A Carlisle & Finch Co (USA)
Related Parts
6220-00-731-9197INTERCHANGEABLE
LIGHT,NAVIGATIONAL,MARINE
6220-01-162-7954INTERCHANGEABLE
LIGHT,NAVIGATIONAL,MARINE
6220-01-185-5545INTERCHANGEABLE
BASE,LIGHT,NAVIGATIONAL,MARINE
6220-01-195-0087INTERCHANGEABLE
LIGHT,NAVIGATIONAL,MARINE

Frequently Asked Questions

What is NSN 6220-01-185-4310?

NSN 6220-01-185-4310 is a Light,navigational,marine, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 6220 (No Item Name Available). Status: active.

What are the part numbers for NSN 6220-01-185-4310?

NSN 6220-01-185-4310 has 4 cross-referenced part numbers: MIL-L-24560/2 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), M24560/2-002 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), M24560/2-002 SYM 115.1 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), M24560/2-0022A (Carlisle & Finch Co).

What NSN replaces 6220-01-185-4310?

There are 4 known substitutes for 6220-01-185-4310: 6220-00-731-9197, 6220-01-162-7954, 6220-01-185-5545 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MIL-L-24560/2?

Key specifications for MIL-L-24560/2: Shape: STRAIGHT; Lens Transparency: TRANSPARENTTRANSPARENT; Lens Color: REDRED; Mounting Base Diameter: 4.250 INCHES NOMINAL4.250 INCHES NOMINAL IN. 17 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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