PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3341188-1Panel,indicating,light Transmitt

Lockheed Martin Corp · NSN 6220-01-388-0820 · FSC 6220 · No Item Name Available
Verified by PartsTable
NSN 6220-01-388-0820 — this item is cataloged by the U.S. Government under National Stock Number 6220-01-388-0820. Primary manufacturer part number: 3341188-1.
Features
  • Panel,indicating,light Transmitt — FSC 6220
  • Special Markings: OFF; BRT; PNL; FLD; SCNS; FL; NAV; LTS
  • Material Document and Classification: MIL-P-5425 MIL SPEC SINGLE MATERIAL RESPONSE PANEL
  • Indicator Type: LIGHT LOCATION NOT OTHERWISE SPECIFIED
  • Material: PLASTIC ACRYLIC PANEL
  • 4 verified cross-references
  • Primary manufacturer: Lockheed Martin Corp
Applications
  • Area illumination
  • Indicator and warning display
  • Navigation and signal lighting
  • Applications requiring Plastic Acrylic Panel construction
General Description

The Panel,indicating,light Transmitt, cataloged under National Stock Number 6220-01-388-0820, is classified within Federal Supply Class 6220 (No Item Name Available) of the Lighting Fixtures and Lamps group. The primary manufacturer of record is Lockheed Martin Corp. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 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
NSN6220-01-388-0820
Primary Part Number3341188-1
Item NamePanel,indicating,light Transmitt
FSC / FSG6220 / 62 — No Item Name Available
ManufacturerLockheed Martin Corp
StatusCANCELLED
Special MarkingsOFF; BRT; PNL; FLD; SCNS; FL; NAV; LTS
Material Document and ClassificationMIL-P-5425 MIL SPEC SINGLE MATERIAL RESPONSE PANEL
Indicator TypeLIGHT LOCATION NOT OTHERWISE SPECIFIED
MaterialPLASTIC ACRYLIC PANEL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
6220-00-044-1947A-3019295 INTERCHANGEABLE
Panel,indicating,light Transmitt
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
4820-00-262-73920529 3/8 INTERCHANGEABLE
Valve,globe
Fairbanks Co the
6220-00-478-06324L11051-109A INTERCHANGEABLE
Panel,indicating,light Transmitt
Lockheed Martin Corp
5342-00-652-0357504-300 INTERCHANGEABLE
Sleeve,channel Band
Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution
5325-00-763-5017 INTERCHANGEABLE
Eyelet,metallic
4810-00-836-4362 INTERCHANGEABLE
Valve,solenoid
5935-00-909-1831 INTERCHANGEABLE
Connector,receptacle,electrical
5935-01-048-9256 INTERCHANGEABLE
Connector,receptacle,electrical
5935-01-061-1483 INTERCHANGEABLE
Connector,receptacle,electrical
5935-01-069-9477 INTERCHANGEABLE
Connector,receptacle,electrical
Cross-Reference Index
Part NumberManufacturer
3341188-1 PRIMARY Lockheed Martin Corp (USA)
504300 Airco Industries, Inc. Dba Photo Etch Div Photo Etch (USA)
MIL-P-7788 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
D697881 Lockheed Martin Corp (USA)
Related Parts
6220-00-044-1947INTERCHANGEABLE
PANEL,INDICATING,LIGHT TRANSMITT
A-3019295
4820-00-262-7392INTERCHANGEABLE
VALVE,GLOBE
0529 3/8
6220-00-478-0632INTERCHANGEABLE
PANEL,INDICATING,LIGHT TRANSMITT
4L11051-109A
5342-00-652-0357INTERCHANGEABLE
SLEEVE,CHANNEL BAND
504-300
5325-00-763-5017INTERCHANGEABLE
EYELET,METALLIC
4810-00-836-4362INTERCHANGEABLE
VALVE,SOLENOID
5935-00-909-1831INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
5935-01-048-9256INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
5935-01-061-1483INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
5935-01-069-9477INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
5935-01-070-3614INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
6220-01-082-3982INTERCHANGEABLE
PANEL,INDICATING,LIGHT TRANSMITT
7460872-30

Frequently Asked Questions

What is NSN 6220-01-388-0820?

NSN 6220-01-388-0820 is a Panel,indicating,light Transmitt, manufactured by Lockheed Martin Corp, classified under FSC 6220 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6220-01-388-0820?

NSN 6220-01-388-0820 has 4 cross-referenced part numbers: 3341188-1 (Lockheed Martin Corp), 504300 (Airco Industries, Inc. Dba Photo Etch Div Photo Etch), MIL-P-7788 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), D697881 (Lockheed Martin Corp).

What NSN replaces 6220-01-388-0820?

There are 12 known substitutes for 6220-01-388-0820: 6220-00-044-1947, 4820-00-262-7392, 6220-00-478-0632 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3341188-1?

Key specifications for 3341188-1: Special Markings: OFF; BRT; PNL; FLD; SCNS; FL; NAV; LTS; Material Document and Classification: MIL-P-5425 MIL SPEC SINGLE MATERIAL RESPONSE PANEL; Indicator Type: LIGHT LOCATION NOT OTHERWISE SPECIFIED; Material: PLASTIC ACRYLIC PANEL. 7 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6220-01-388-0820 still in active supply?

NSN 6220-01-388-0820 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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