PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MILL3661-14Lens,light

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 6210-00-087-7909 · FSC 6210 · No Item Name Available
Verified by PartsTable
NSN 6210-00-087-7909 — this item is cataloged by the U.S. Government under National Stock Number 6210-00-087-7909. Primary manufacturer part number: MILL3661-14.
Features
  • Lens,light — FSC 6210
  • Style Designator: CONVEX
  • Surface Condition: SMOOTH FACE
  • Material: GLASS LENS
  • Thread Diameter: 0.562 INCHES IN
  • Mounting Method: EXTERNAL THREAD
  • Thread Quantity: 27 PER INCH
  • Overall Diameter: 0.590 INCHES MINIMUM AND 0.650 INCHES MAXIMUM IN
Applications
  • Area illumination
  • Indicator and warning display
  • Navigation and signal lighting
  • Applications requiring Glass Lens construction
General Description

The Lens,light, cataloged under National Stock Number 6210-00-087-7909, 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 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN6210-00-087-7909
Primary Part NumberMILL3661-14
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
Style DesignatorCONVEX
Surface ConditionSMOOTH FACE
MaterialGLASS LENS
Thread Diameter0.562 INCHES IN
Mounting MethodEXTERNAL THREAD
Thread Quantity27 PER INCH
Overall Diameter0.590 INCHES MINIMUM AND 0.650 INCHES MAXIMUM IN
Effective Diameter0.470 INCHES MINIMUM AND 0.530 INCHES MAXIMUM IN
Mounting Device Quantity1
Hazardous Locations/environmental ProtectionDRIPPROOF
ColorBLACK HOLDER
Thread DirectionRIGHT-HAND
Light Transmission DesignTRANSPARENT LENS
Thread Class2A A
Surface ConditionSMOOTH BACK
Thread SeriesUNS
ColorRED LENS
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 11
6210-00-045-8458 INTERCHANGEABLE
Lens,light
6210-00-056-9193 INTERCHANGEABLE
Lens,light
6210-00-137-6085 INTERCHANGEABLE
Lens,light
6210-00-159-2299 INTERCHANGEABLE
Lens,light
6210-00-176-5274616687-5 INTERCHANGEABLE
Lens,light
Naval Air Warfare Center Aircraft Division Joint Base Jbmdl
6210-00-753-2270 INTERCHANGEABLE
Lens,light
6210-00-753-2834 INTERCHANGEABLE
Lens,light
6210-00-836-256412-16080 INTERCHANGEABLE
Light,indicator
Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch
6210-00-838-2415 INTERCHANGEABLE
Lens,light
6210-00-849-3870 INTERCHANGEABLE
Lens,light
Cross-Reference Index
Part NumberManufacturer
MILL3661-14 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
LC14RN1 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
12Z7502-168 Naval Ordnance Standards (USA)
12Z7502-116 Naval Ordnance Standards (USA)
LC14RN Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MILL3661 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
81-0131-203 Dialight Corporation (USA)
TA312RC Genisco Filter Corp (USA)
Related Parts
6210-00-045-8458INTERCHANGEABLE
LENS,LIGHT
6210-00-056-9193INTERCHANGEABLE
LENS,LIGHT
6210-00-137-6085INTERCHANGEABLE
LENS,LIGHT
6210-00-159-2299INTERCHANGEABLE
LENS,LIGHT
6210-00-176-5274INTERCHANGEABLE
LENS,LIGHT
616687-5
6210-00-753-2270INTERCHANGEABLE
LENS,LIGHT
6210-00-753-2834INTERCHANGEABLE
LENS,LIGHT
6210-00-836-2564INTERCHANGEABLE
LIGHT,INDICATOR
12-16080
6210-00-838-2415INTERCHANGEABLE
LENS,LIGHT
6210-00-849-3870INTERCHANGEABLE
LENS,LIGHT
6210-00-865-3449INTERCHANGEABLE
LENS,LIGHT

Frequently Asked Questions

What is NSN 6210-00-087-7909?

NSN 6210-00-087-7909 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 6210-00-087-7909?

NSN 6210-00-087-7909 has 8 cross-referenced part numbers: MILL3661-14 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), LC14RN1 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 12Z7502-168 (Naval Ordnance Standards), 12Z7502-116 (Naval Ordnance Standards), LC14RN (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M) and 3 more.

What NSN replaces 6210-00-087-7909?

There are 11 known substitutes for 6210-00-087-7909: 6210-00-045-8458, 6210-00-056-9193, 6210-00-137-6085 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MILL3661-14?

Key specifications for MILL3661-14: Style Designator: CONVEX; Surface Condition: SMOOTH FACE; Material: GLASS LENS; Thread Diameter: 0.562 INCHES IN. 18 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6210-00-087-7909 still in active supply?

NSN 6210-00-087-7909 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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