PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MIL-DTL-3661/30Lens,light

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 6210-01-004-1154 · FSC 6210 · No Item Name Available
Verified by PartsTable
NSN 6210-01-004-1154 — this item is cataloged by the U.S. Government under National Stock Number 6210-01-004-1154. Primary manufacturer part number: MIL-DTL-3661/30.
Features
  • Lens,light — FSC 6210
  • Color: WHITE, AVIATION LENS
  • Surface Condition: SMOOTH FACE
  • Surface Condition: FLUTED BACK
  • Style Designator: CYLINDRICAL
  • Overall Diameter: 0.505 INCHES NOMINAL IN
  • Color: BLACK HOLDER
  • Light Transmission Design: TRANSPARENT LENS
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 6210-01-004-1154, is classified within Federal Supply Class 6210 (No Item Name Available) of the Lighting Fixtures and Lamps group. The primary manufacturer of record is Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 15 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN6210-01-004-1154
Primary Part NumberMIL-DTL-3661/30
Item NameLens,light
FSC / FSG6210 / 62 — No Item Name Available
ManufacturerMilitary Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
StatusCANCELLED
ColorWHITE, AVIATION LENS
Surface ConditionSMOOTH FACE
Surface ConditionFLUTED BACK
Style DesignatorCYLINDRICAL
Overall Diameter0.505 INCHES NOMINAL IN
ColorBLACK HOLDER
Light Transmission DesignTRANSPARENT LENS
Mounting Device Quantity1
Thread Quantity32 PER INCH
Thread DirectionRIGHT-HAND
Effective Diameter0.408 INCHES MINIMUM AND 0.428 INCHES MAXIMUM IN
Mounting MethodINTERNAL THREAD
Thread Diameter0.375 INCHES IN
Thread SeriesUNEF
Thread Class2B
MaterialPLASTIC LENS
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 8
6210-00-107-1496 INTERCHANGEABLE
Lens,light
6210-00-191-9439 INTERCHANGEABLE
Lens,light
6210-00-214-8698 INTERCHANGEABLE
Lens,light
6210-00-459-4075 INTERCHANGEABLE
Lens,light
6210-00-470-7602 INTERCHANGEABLE
Lens,light
6210-01-005-4444 INTERCHANGEABLE
Lens,light
6210-01-010-2519250-1472-500 INTERCHANGEABLE
Lens,light
Dialight Corporation
6210-01-223-9139 INTERCHANGEABLE
Lens,light
Cross-Reference Index
Part NumberManufacturer
MIL-DTL-3661/30 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
LC32WT2 Zf Industrieantriebe Witten Gmbh (DEU)
271WN Littelfuse, Inc. (USA)
MIL-L-3661/32 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
LC30WNE Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
LC30WT3 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
250-3335-500 Dialight Corporation (USA)
D09CC Spectrum Control, Inc. Div Api Technologies - Eis/wesson (USA)
LC30WN3 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
6210PL1240375 Jednolity Indeks Materialowy - Uniform Material Index (POL)
MIL-L-3661/30 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
LC30WT3 Dialight Corporation (USA)
LC30WT3 Zf Industrieantriebe Witten Gmbh (DEU)
250-3535-500 Dialight Corporation (USA)
D09CC Genisco Filter Corp (USA)
Related Parts
6210-00-107-1496INTERCHANGEABLE
LENS,LIGHT
6210-00-191-9439INTERCHANGEABLE
LENS,LIGHT
6210-00-214-8698INTERCHANGEABLE
LENS,LIGHT
6210-00-459-4075INTERCHANGEABLE
LENS,LIGHT
6210-00-470-7602INTERCHANGEABLE
LENS,LIGHT
6210-01-005-4444INTERCHANGEABLE
LENS,LIGHT
6210-01-010-2519INTERCHANGEABLE
LENS,LIGHT
250-1472-500
6210-01-223-9139INTERCHANGEABLE
LENS,LIGHT

Frequently Asked Questions

What is NSN 6210-01-004-1154?

NSN 6210-01-004-1154 is a Lens,light, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 6210 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6210-01-004-1154?

NSN 6210-01-004-1154 has 15 cross-referenced part numbers: MIL-DTL-3661/30 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), LC32WT2 (Zf Industrieantriebe Witten Gmbh), 271WN (Littelfuse, Inc.), MIL-L-3661/32 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), LC30WNE (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M) and 10 more.

What NSN replaces 6210-01-004-1154?

There are 8 known substitutes for 6210-01-004-1154: 6210-00-107-1496, 6210-00-191-9439, 6210-00-214-8698 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MIL-DTL-3661/30?

Key specifications for MIL-DTL-3661/30: Color: WHITE, AVIATION LENS; Surface Condition: SMOOTH FACE; Surface Condition: FLUTED BACK; Style Designator: CYLINDRICAL. 17 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6210-01-004-1154 still in active supply?

NSN 6210-01-004-1154 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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