PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

M24560/13-001 SYM 174.4Light,navigational,marine

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 6220-00-678-9075 · FSC 6220 · No Item Name Available
Verified by PartsTable
NSN 6220-00-678-9075 — this item is cataloged by the U.S. Government under National Stock Number 6220-00-678-9075. Primary manufacturer part number: M24560/13-001 SYM 174.4.
Features
  • Light,navigational,marine — FSC 6220
  • Overall Diameter: 4.750 INCHES NOMINAL IN
  • Lamp Type Accommodated and Quantity: 1 INCANDESCENT
  • Mounting Method: THREADED HOLE(S)
  • Hazardous Locations/environmental Protection: WATERTIGHT-NEMA TYPE 4
  • Material: GLASS LENS
  • Lens Surface Condition: SMOOTH BACK
  • Lens Color: COLORLESS
Applications
  • Area illumination
  • Indicator and warning display
  • Navigation and signal lighting
  • Applications requiring Glass Lens construction
General Description

The Light,navigational,marine, cataloged under National Stock Number 6220-00-678-9075, 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 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN6220-00-678-9075
Primary Part NumberM24560/13-001 SYM 174.4
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
StatusCANCELLED
Overall Diameter4.750 INCHES NOMINAL IN
Lamp Type Accommodated and Quantity1 INCANDESCENT
Mounting MethodTHREADED HOLE(S)
Hazardous Locations/environmental ProtectionWATERTIGHT-NEMA TYPE 4
MaterialGLASS LENS
Lens Surface ConditionSMOOTH BACK
Lens ColorCOLORLESS
Lens Surface ConditionFRESNEL FACE
Lens Type and Quantity1 STOVEPIPE, FLANGED
Lamp Base Type AccommodatedTHREE CONTACT MEDIUM SCREW
Terminal Type and Quantity3 SCREW
Furnished Items and Quantity1 LAMP
Nominal Visibility Arc in Deg360.0 HORIZONTAL
MaterialPLASTIC BASE
Voltage Rating in Volts250.0 AC NOMINAL
Lens TransparencyTRANSPARENT
ShapeSTRAIGHT
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 6
6220-00-678-9072 INTERCHANGEABLE
Light,navigational,marine
6220-00-678-9073 INTERCHANGEABLE
Light,navigational,marine
6220-00-878-6948 INTERCHANGEABLE
Cap,navigation Light
5340-01-097-8445 INTERCHANGEABLE
Insert,self-Locking
6220-01-388-7187 INTERCHANGEABLE
Light,navigational,marine
6620-01-515-9130 INTERCHANGEABLE
Navigation Light
Cross-Reference Index
Part NumberManufacturer
M24560/13-001 SYM 174.4 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-DTL-24560/13 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
M24560/13-001 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-L-24560/13 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
174.4 Unimasco Inc (USA)
MS17290SYMB0L174-2 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
174.4 Brantner and Associates, Inc. (USA)
Related Parts
6220-00-678-9072INTERCHANGEABLE
LIGHT,NAVIGATIONAL,MARINE
6220-00-678-9073INTERCHANGEABLE
LIGHT,NAVIGATIONAL,MARINE
6220-00-878-6948INTERCHANGEABLE
CAP,NAVIGATION LIGHT
5340-01-097-8445INTERCHANGEABLE
INSERT,SELF-LOCKING
6220-01-388-7187INTERCHANGEABLE
LIGHT,NAVIGATIONAL,MARINE
6620-01-515-9130INTERCHANGEABLE
NAVIGATION LIGHT

Frequently Asked Questions

What is NSN 6220-00-678-9075?

NSN 6220-00-678-9075 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: cancelled.

What are the part numbers for NSN 6220-00-678-9075?

NSN 6220-00-678-9075 has 7 cross-referenced part numbers: M24560/13-001 SYM 174.4 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-DTL-24560/13 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), M24560/13-001 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-L-24560/13 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 174.4 (Unimasco Inc) and 2 more.

What NSN replaces 6220-00-678-9075?

There are 6 known substitutes for 6220-00-678-9075: 6220-00-678-9072, 6220-00-678-9073, 6220-00-878-6948 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of M24560/13-001 SYM 174.4?

Key specifications for M24560/13-001 SYM 174.4: Overall Diameter: 4.750 INCHES NOMINAL IN; Lamp Type Accommodated and Quantity: 1 INCANDESCENT; Mounting Method: THREADED HOLE(S); Hazardous Locations/environmental Protection: WATERTIGHT-NEMA TYPE 4. 19 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6220-00-678-9075 still in active supply?

NSN 6220-00-678-9075 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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