PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

400C-4012Light,fog

Unity Manufacturing Co · NSN 6220-00-299-6077 · FSC 6220 · No Item Name Available
Verified by PartsTable
NSN 6220-00-299-6077 — this item is cataloged by the U.S. Government under National Stock Number 6220-00-299-6077. Primary manufacturer part number: 400C-4012.
Features
  • Light,fog — FSC 6220
  • Surface Treatment: CHROMIUM BODY
  • Material: STEEL BODY
  • Shape: TAPERED
  • Lens Color: COLORLESS
  • Lens Transparency: TRANSPARENT
  • Lamp Type Accommodated and Quantity: 1 INCANDESCENT
  • Mounting Method: THREADED HOLE(S)
Applications
  • Area illumination
  • Indicator and warning display
  • Navigation and signal lighting
  • Applications requiring Steel Body construction
General Description

The Light,fog, cataloged under National Stock Number 6220-00-299-6077, is classified within Federal Supply Class 6220 (No Item Name Available) of the Lighting Fixtures and Lamps group. The primary manufacturer of record is Unity Manufacturing Co. Government technical data includes 13 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6220-00-299-6077
Primary Part Number400C-4012
Item NameLight,fog
FSC / FSG6220 / 62 — No Item Name Available
ManufacturerUnity Manufacturing Co
StatusACTIVE
Surface TreatmentCHROMIUM BODY
MaterialSTEEL BODY
ShapeTAPERED
Lens ColorCOLORLESS
Lens TransparencyTRANSPARENT
Lamp Type Accommodated and Quantity1 INCANDESCENT
Mounting MethodTHREADED HOLE(S)
Lamp Base Type AccommodatedTWO SCREW TERMINALS
Wiring Provision MethodINDIVIDUAL WIRE
Wiring Provision Length40.0 INCHES NOMINAL SINGLE PROVISION IN
Terminal Type and Quantity2 SCREW
Overall Diameter6.375 INCHES NOMINAL IN
Voltage Rating in Volts12.0 DC NOMINAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5910-00-112-7703400C296PF INTERCHANGEABLE
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6625-00-240-0624400C INTERCHANGEABLE
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5130-00-340-0718500D INTERCHANGEABLE
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6625-00-491-5391 INTERCHANGEABLE
Test Set,electrical Cable
5210-00-541-5779 INTERCHANGEABLE
Tape,measuring
6625-00-855-4584 INTERCHANGEABLE
Resistance Standard
Cross-Reference Index
Part NumberManufacturer
400C-4012 PRIMARY Unity Manufacturing Co (USA)
500D Unity Manufacturing Co (USA)
400C Unity Manufacturing Co (USA)
Related Parts
5910-00-112-7703INTERCHANGEABLE
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DETECTING ELEMENT,DIRECTIONAL CO
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6625-00-491-5391INTERCHANGEABLE
TEST SET,ELECTRICAL CABLE
5210-00-541-5779INTERCHANGEABLE
TAPE,MEASURING
6625-00-855-4584INTERCHANGEABLE
RESISTANCE STANDARD
2530-00-860-9837INTERCHANGEABLE
PARTS KIT,HYDRAULIC BRAKE MASTER
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LIGHT,BACKUP
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Frequently Asked Questions

What is NSN 6220-00-299-6077?

NSN 6220-00-299-6077 is a Light,fog, manufactured by Unity Manufacturing Co, classified under FSC 6220 (No Item Name Available). Status: active.

What are the part numbers for NSN 6220-00-299-6077?

NSN 6220-00-299-6077 has 3 cross-referenced part numbers: 400C-4012 (Unity Manufacturing Co), 500D (Unity Manufacturing Co), 400C (Unity Manufacturing Co).

What NSN replaces 6220-00-299-6077?

There are 12 known substitutes for 6220-00-299-6077: 5910-00-112-7703, 4510-00-177-0468, 5220-00-215-1884 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 400C-4012?

Key specifications for 400C-4012: Surface Treatment: CHROMIUM BODY; Material: STEEL BODY; Special Features: LIGHT POSITION ADJUSTABLE W/STUD AND NUT ADJUSTMENT,360 DEG HORIZONTAL ADJUSTMENT RANGE; UNIVERSAL MTG; MTG WITH 7/16-14 THREADED HOLE 3/8 IN. DEEP IN; Shape: TAPERED. 15 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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