PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

262-6640814FINDAY-1-7Lens,light

Naval Sea Systems Command · NSN 6210-01-383-9991 · FSC 6210 · No Item Name Available
Verified by PartsTable
NSN 6210-01-383-9991 — this item is cataloged by the U.S. Government under National Stock Number 6210-01-383-9991. Primary manufacturer part number: 262-6640814FINDAY-1-7.
Features
  • Lens,light — FSC 6210
  • Surface Condition: SMOOTH BACK
  • Inscription: POWER AND ON FACE
  • Mounting Method: SCREW
  • Hazardous Locations/environmental Protection: DRIPPROOF
  • Effective Length: 0.250 INCHES NOMINAL IN
  • Effective Width: 1.438 INCHES NOMINAL IN
  • Material: PLASTIC ACRYLIC LENS
Applications
  • Area illumination
  • Indicator and warning display
  • Navigation and signal lighting
  • Applications requiring Plastic Acrylic Lens construction
General Description

The Lens,light, cataloged under National Stock Number 6210-01-383-9991, is classified within Federal Supply Class 6210 (No Item Name Available) of the Lighting Fixtures and Lamps group. The primary manufacturer of record is Naval Sea Systems Command. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6210-01-383-9991
Primary Part Number262-6640814FINDAY-1-7
Item NameLens,light
FSC / FSG6210 / 62 — No Item Name Available
ManufacturerNaval Sea Systems Command
StatusACTIVE
Surface ConditionSMOOTH BACK
InscriptionPOWER AND ON FACE
Mounting MethodSCREW
Hazardous Locations/environmental ProtectionDRIPPROOF
Effective Length0.250 INCHES NOMINAL IN
Effective Width1.438 INCHES NOMINAL IN
MaterialPLASTIC ACRYLIC LENS
Light Transmission DesignTRANSPARENT LENS
Style DesignatorFLAT
Mounting Device Quantity2
Surface ConditionSMOOTH FACE
Mounting End Diameter0.990 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN
ColorWHITE LENS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
6210-00-926-4508 INTERCHANGEABLE
Lens,light
6210-01-129-4578 INTERCHANGEABLE
Lens,light
6210-01-165-8784 INTERCHANGEABLE
Lens,light
6210-01-283-1858 INTERCHANGEABLE
Lens,light
6210-01-384-2317 INTERCHANGEABLE
Lens,light
6210-01-384-2374436-6603215FINDAY-1-20 INTERCHANGEABLE
Lens,light
Naval Sea Systems Command
Cross-Reference Index
Part NumberManufacturer
262-6640814FINDAY-1-7 PRIMARY Naval Sea Systems Command (USA)
MIL-DTL-3661/59 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
LC45WT3 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-L-3661/59 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
6210-00-926-4508INTERCHANGEABLE
LENS,LIGHT
6210-01-129-4578INTERCHANGEABLE
LENS,LIGHT
6210-01-165-8784INTERCHANGEABLE
LENS,LIGHT
6210-01-283-1858INTERCHANGEABLE
LENS,LIGHT
6210-01-384-2317INTERCHANGEABLE
LENS,LIGHT
6210-01-384-2374INTERCHANGEABLE
LENS,LIGHT
436-6603215FINDAY-1-20

Frequently Asked Questions

What is NSN 6210-01-383-9991?

NSN 6210-01-383-9991 is a Lens,light, manufactured by Naval Sea Systems Command, classified under FSC 6210 (No Item Name Available). Status: active.

What are the part numbers for NSN 6210-01-383-9991?

NSN 6210-01-383-9991 has 4 cross-referenced part numbers: 262-6640814FINDAY-1-7 (Naval Sea Systems Command), MIL-DTL-3661/59 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), LC45WT3 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-L-3661/59 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 6210-01-383-9991?

There are 6 known substitutes for 6210-01-383-9991: 6210-00-926-4508, 6210-01-129-4578, 6210-01-165-8784 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 262-6640814FINDAY-1-7?

Key specifications for 262-6640814FINDAY-1-7: Surface Condition: SMOOTH BACK; Inscription: POWER AND ON FACE; Mounting Method: SCREW; Hazardous Locations/environmental Protection: DRIPPROOF. 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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