PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

503R12Light Assembly,clearance Marker

Load King, Llc Div Load King · NSN 6220-00-774-5347 · FSC 6220 · No Item Name Available
Verified by PartsTable
NSN 6220-00-774-5347 — this item is cataloged by the U.S. Government under National Stock Number 6220-00-774-5347. Primary manufacturer part number: 503R12.
Features
  • Light Assembly,clearance Marker — FSC 6220
  • Lens Color: RED
  • Wiring Provision Method: INDIVIDUAL WIRE
  • Lens Type and Quantity: 3 DOME, SMALL
  • Voltage Rating in Volts: 12.0 DC NOMINAL
  • Lamp Type Accommodated and Quantity: 3 INCANDESCENT
  • Mounting Method: UNTHREADED HOLE(S)
  • Terminal Type and Quantity: 1 WIRE LEAD
Applications
  • Area illumination
  • Indicator and warning display
  • Navigation and signal lighting
  • Applications requiring Steel Body construction
General Description

The Light Assembly,clearance Marker, cataloged under National Stock Number 6220-00-774-5347, is classified within Federal Supply Class 6220 (No Item Name Available) of the Lighting Fixtures and Lamps group. The primary manufacturer of record is Load King, Llc Div Load King. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN6220-00-774-5347
Primary Part Number503R12
Item NameLight Assembly,clearance Marker
FSC / FSG6220 / 62 — No Item Name Available
ManufacturerLoad King, Llc Div Load King
StatusCANCELLED
Lens ColorRED
Wiring Provision MethodINDIVIDUAL WIRE
Lens Type and Quantity3 DOME, SMALL
Voltage Rating in Volts12.0 DC NOMINAL
Lamp Type Accommodated and Quantity3 INCANDESCENT
Mounting MethodUNTHREADED HOLE(S)
Terminal Type and Quantity1 WIRE LEAD
Lens Surface ConditionRIBBED BACK
Lens TransparencyTRANSLUCENT
Surface TreatmentENAMEL BODY
MaterialSTEEL BODY
Furnished Items and Quantity3 LAMP
Lens Surface ConditionSMOOTH FACE
Lamp Base Type AccommodatedSINGLE CONTACT BAYONET CANDELABRA
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
3040-00-020-934910-1663 INTERCHANGEABLE
Ball Joint
Roller Bearing Company of America, Inc.
4720-00-532-5295101663 INTERCHANGEABLE
Hose Assembly,nonmetallic
Senior Operations Llc Div Senior Aerospace Ssp
5977-00-797-6158MDL2012CS INTERCHANGEABLE
Brush Set,electrical Contact
Prestolite Electric Inc
5961-00-840-0534128 INTERCHANGEABLE
Socket Transistor
Tdk-Lambda Americas Inc. Div High Power Division
5950-00-929-0459 INTERCHANGEABLE
Transformer,pulse
3040-00-942-253078623 INTERCHANGEABLE
Ball Joint
Rbc Transport Dynamics Corp Div Rbc Transport Dynamics
6625-00-980-2755101663 INTERCHANGEABLE
Fixture,test,electrical-Electron
L3harris Technologies, Inc Div Space & Airborne Systems
2540-01-103-3898KD-503-2601 INTERCHANGEABLE
Light
Pak-Mor Mfg Co
6150-01-108-388449062 INTERCHANGEABLE
Cable Assembly,special Purpose,e
Setra Systems, Inc. Dba Gems Sensors
2815-01-121-513049062 INTERCHANGEABLE
Valve,inlet
Sabre Engines Ltd
Cross-Reference Index
Part NumberManufacturer
KD503R12 Concord Instruments Corp (USA)
101663 Allianz Sweeper Company (USA)
503-2601 Concord Instruments Corp (USA)
18A3139-A Link-Belt Cranes, L.p., Lllp (USA)
18A3139 Link-Belt Cranes, L.p., Lllp (USA)
49062 Grote Industries Inc Dba Grote Manufacturing Co Div Military Products (USA)
49072 Grote Industries Inc Dba Grote Manufacturing Co Div Military Products (USA)
503R12 PRIMARY Load King, Llc Div Load King (USA)
Related Parts
3040-00-020-9349INTERCHANGEABLE
BALL JOINT
10-1663
4720-00-532-5295INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
101663
5977-00-797-6158INTERCHANGEABLE
BRUSH SET,ELECTRICAL CONTACT
MDL2012CS
5961-00-840-0534INTERCHANGEABLE
SOCKET TRANSISTOR
128
5950-00-929-0459INTERCHANGEABLE
TRANSFORMER,PULSE
3040-00-942-2530INTERCHANGEABLE
BALL JOINT
78623
6625-00-980-2755INTERCHANGEABLE
FIXTURE,TEST,ELECTRICAL-ELECTRON
101663
2540-01-103-3898INTERCHANGEABLE
LIGHT
KD-503-2601
6150-01-108-3884INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
49062
2815-01-121-5130INTERCHANGEABLE
VALVE,INLET
49062
6145-01-137-1630INTERCHANGEABLE
WIRE,ELECTRICAL
M22759/19-24-1
5330-01-197-3204INTERCHANGEABLE
SEAL,PLAIN
101663, 7NL2FA

Frequently Asked Questions

What is NSN 6220-00-774-5347?

NSN 6220-00-774-5347 is a Light Assembly,clearance Marker, manufactured by Load King, Llc Div Load King, classified under FSC 6220 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6220-00-774-5347?

NSN 6220-00-774-5347 has 8 cross-referenced part numbers: KD503R12 (Concord Instruments Corp), 101663 (Allianz Sweeper Company), 503-2601 (Concord Instruments Corp), 18A3139-A (Link-Belt Cranes, L.p., Lllp), 18A3139 (Link-Belt Cranes, L.p., Lllp) and 3 more.

What NSN replaces 6220-00-774-5347?

There are 12 known substitutes for 6220-00-774-5347: 3040-00-020-9349, 4720-00-532-5295, 5977-00-797-6158 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 503R12?

Key specifications for 503R12: Lens Color: RED; Overall Height: 2.875 INCHES NOMINAL IN; Wiring Provision Method: INDIVIDUAL WIRE; Lens Type and Quantity: 3 DOME, SMALL. 17 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6220-00-774-5347 still in active supply?

NSN 6220-00-774-5347 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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