PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

371-DP-PLBLight,navigational,marine

Perko Inc · NSN 6220-01-225-4404 · FSC 6220 · No Item Name Available
Verified by PartsTable
NSN 6220-01-225-4404 — this item is cataloged by the U.S. Government under National Stock Number 6220-01-225-4404. Primary manufacturer part number: 371-DP-PLB.
Features
  • Light,navigational,marine — FSC 6220
  • Lamp Base Type Accommodated: DOUBLE CONTACT BAYONET CANDELABRA
  • Lens Transparency: TRANSLUCENT
  • Voltage Rating in Volts: 12.0 DC NOMINAL
  • Overall Diameter: 2.125 INCHES NOMINAL IN
  • Lamp Type Accommodated and Quantity: 1 INCANDESCENT
  • Mounting Method: BASE
  • Lens Color: COLORLESS
Applications
  • Area illumination
  • Indicator and warning display
  • Navigation and signal lighting
  • Applications requiring Plastic Lens construction
General Description

The Light,navigational,marine, cataloged under National Stock Number 6220-01-225-4404, is classified within Federal Supply Class 6220 (No Item Name Available) of the Lighting Fixtures and Lamps group. The primary manufacturer of record is Perko Inc. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6220-01-225-4404
Primary Part Number371-DP-PLB
Item NameLight,navigational,marine
FSC / FSG6220 / 62 — No Item Name Available
ManufacturerPerko Inc
StatusACTIVE
Lamp Base Type AccommodatedDOUBLE CONTACT BAYONET CANDELABRA
Lens TransparencyTRANSLUCENT
Voltage Rating in Volts12.0 DC NOMINAL
Overall Diameter2.125 INCHES NOMINAL IN
Lamp Type Accommodated and Quantity1 INCANDESCENT
Mounting MethodBASE
Lens ColorCOLORLESS
Mounting Base Diameter2.125 INCHES NOMINAL IN
Lens Type and Quantity1 CYLINDRICAL, FLUTED, LONG
ShapeSTRAIGHT
MaterialPLASTIC LENS
Lens Surface ConditionFRESNEL FACE
MaterialCOPPER ALLOY BASE
Lens Surface ConditionFROSTED BACK
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
4320-00-398-7759181291 INTERCHANGEABLE
Ring,lantern
Curtiss-Wright Electro-Mechanical Corporation Div Epd
2805-00-483-0997371P INTERCHANGEABLE
Piston,internal Combustion Engin
Federal-Mogul Corp Government Sales Dept
Cross-Reference Index
Part NumberManufacturer
371-DP-PLB PRIMARY Perko Inc (USA)
371P Perko Inc (USA)
371 Perko Inc (USA)
Related Parts
4320-00-398-7759INTERCHANGEABLE
RING,LANTERN
181291
2805-00-483-0997INTERCHANGEABLE
PISTON,INTERNAL COMBUSTION ENGIN
371P

Frequently Asked Questions

What is NSN 6220-01-225-4404?

NSN 6220-01-225-4404 is a Light,navigational,marine, manufactured by Perko Inc, classified under FSC 6220 (No Item Name Available). Status: active.

What are the part numbers for NSN 6220-01-225-4404?

NSN 6220-01-225-4404 has 3 cross-referenced part numbers: 371-DP-PLB (Perko Inc), 371P (Perko Inc), 371 (Perko Inc).

What NSN replaces 6220-01-225-4404?

There are 2 known substitutes for 6220-01-225-4404: 4320-00-398-7759, 2805-00-483-0997. Verify interchangeability with system specifications before substitution.

What are the specifications of 371-DP-PLB?

Key specifications for 371-DP-PLB: Lamp Base Type Accommodated: DOUBLE CONTACT BAYONET CANDELABRA; Lens Transparency: TRANSLUCENT; Voltage Rating in Volts: 12.0 DC NOMINAL; Overall Diameter: 2.125 INCHES NOMINAL IN. 16 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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