PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

178-7571-500-10005-51Lens,light

Dialight Corporation · NSN 6210-00-231-8409 · FSC 6210 · No Item Name Available
Verified by PartsTable
NSN 6210-00-231-8409 — this item is cataloged by the U.S. Government under National Stock Number 6210-00-231-8409. Primary manufacturer part number: 178-7571-500-10005-51.
Features
  • Lens,light — FSC 6210
  • Material: PLASTIC LENS
  • Mounting Method: EXTERNAL THREAD
  • Effective Diameter: 0.469 INCHES NOMINAL IN
  • Mounting Device Quantity: 1
  • Surface Condition: SMOOTH FACE
  • Thread Quantity: 32 PER INCH
  • Color: RED, IDENTIFICATION INSCRIPTION BACKGROUND
Applications
  • Area illumination
  • Indicator and warning display
  • Navigation and signal lighting
  • Applications requiring Plastic Lens construction
General Description

The Lens,light, cataloged under National Stock Number 6210-00-231-8409, is classified within Federal Supply Class 6210 (No Item Name Available) of the Lighting Fixtures and Lamps group. The primary manufacturer of record is Dialight Corporation. Government technical data includes 23 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6210-00-231-8409
Primary Part Number178-7571-500-10005-51
Item NameLens,light
FSC / FSG6210 / 62 — No Item Name Available
ManufacturerDialight Corporation
StatusACTIVE
MaterialPLASTIC LENS
Mounting MethodEXTERNAL THREAD
Effective Diameter0.469 INCHES NOMINAL IN
Mounting Device Quantity1
Surface ConditionSMOOTH FACE
Thread Quantity32 PER INCH
ColorRED, IDENTIFICATION INSCRIPTION BACKGROUND
ColorNICKEL HOLDER
Inscription5 FACE
Thread Diameter0.312 INCHES IN
Hazardous Locations/environmental ProtectionDUSTTIGHT
Style DesignatorFLAT
Thread DirectionRIGHT-HAND
Light Transmission DesignTRANSLUCENT LENS
ColorRED, IDENTIFICATION LENS
Thread SeriesUNEF
ColorBLACK INSCRIPTION
Overall Diameter0.562 INCHES NOMINAL IN
Surface ConditionSMOOTH BACK
Holder Surface TreatmentNICKEL
MaterialCOPPER ALLOY HOLDER
Features ProvidedROTATABLE ALIGNMENT CAPABILITY
Thread Class2A A
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
6210-00-045-5501 INTERCHANGEABLE
Lens,light
6210-00-045-5504 INTERCHANGEABLE
Lens,light
6210-00-045-5505 INTERCHANGEABLE
Lens,light
6210-00-050-0580 INTERCHANGEABLE
Lens,light
6210-00-050-0582 INTERCHANGEABLE
Lens,light
6210-00-231-8364141363-601 INTERCHANGEABLE
Lens,light
Raytheon Company Dba Raytheon Co
6210-00-231-8365 INTERCHANGEABLE
Lens,light
6210-00-231-8367141363-604 INTERCHANGEABLE
Lens,light
Raytheon Company Dba Raytheon Co
6210-00-231-8408 INTERCHANGEABLE
Lens,light
6210-00-231-8413 INTERCHANGEABLE
Lens,light
Cross-Reference Index
Part NumberManufacturer
178-7571-500-10005-51 Dialight Corporation (USA)
MIL-L-3661/11 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
LC11RT2 MARKED 5 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
141362-5 Raytheon Company Div Corp (USA)
178-7571-500 MARKED 5 Dialight Corporation (USA)
141362-5 Raytheon Company Dba Raytheon Co (USA)
MIL-DTL-3661/11 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
6210-00-045-5501INTERCHANGEABLE
LENS,LIGHT
6210-00-045-5504INTERCHANGEABLE
LENS,LIGHT
6210-00-045-5505INTERCHANGEABLE
LENS,LIGHT
6210-00-050-0580INTERCHANGEABLE
LENS,LIGHT
6210-00-050-0582INTERCHANGEABLE
LENS,LIGHT
6210-00-231-8364INTERCHANGEABLE
LENS,LIGHT
141363-601
6210-00-231-8365INTERCHANGEABLE
LENS,LIGHT
6210-00-231-8367INTERCHANGEABLE
LENS,LIGHT
141363-604
6210-00-231-8408INTERCHANGEABLE
LENS,LIGHT
6210-00-231-8413INTERCHANGEABLE
LENS,LIGHT
6210-00-497-9513INTERCHANGEABLE
LENS,LIGHT
71058-1
6210-00-497-9514INTERCHANGEABLE
LENS,LIGHT
71058-2

Frequently Asked Questions

What is NSN 6210-00-231-8409?

NSN 6210-00-231-8409 is a Lens,light, manufactured by Dialight Corporation, classified under FSC 6210 (No Item Name Available). Status: active.

What are the part numbers for NSN 6210-00-231-8409?

NSN 6210-00-231-8409 has 7 cross-referenced part numbers: 178-7571-500-10005-51 (Dialight Corporation), MIL-L-3661/11 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), LC11RT2 MARKED 5 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 141362-5 (Raytheon Company Div Corp), 178-7571-500 MARKED 5 (Dialight Corporation) and 2 more.

What NSN replaces 6210-00-231-8409?

There are 12 known substitutes for 6210-00-231-8409: 6210-00-045-5501, 6210-00-045-5504, 6210-00-045-5505 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 178-7571-500-10005-51?

Key specifications for 178-7571-500-10005-51: Material: PLASTIC LENS; Mounting Method: EXTERNAL THREAD; Effective Diameter: 0.469 INCHES NOMINAL IN; Mounting Device Quantity: 1. 24 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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