PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

250-3331-500Lens,light

Dialight Corporation · NSN 6210-00-256-6358 · FSC 6210 · No Item Name Available
Verified by PartsTable
NSN 6210-00-256-6358 — this item is cataloged by the U.S. Government under National Stock Number 6210-00-256-6358. Primary manufacturer part number: 250-3331-500.
Features
  • Lens,light — FSC 6210
  • Thread Series: UNEF
  • Material: PLASTIC LENS
  • Surface Condition: SMOOTH BACK
  • Thread Quantity: 32 PER INCH
  • Mounting Device Quantity: 1
  • Holder Surface Treatment: ANODIZE
  • Effective Diameter: 0.411 INCHES MINIMUM AND 0.421 INCHES MAXIMUM IN
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 6210-00-256-6358, 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 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6210-00-256-6358
Primary Part Number250-3331-500
Item NameLens,light
FSC / FSG6210 / 62 — No Item Name Available
ManufacturerDialight Corporation
StatusACTIVE
Thread SeriesUNEF
MaterialPLASTIC LENS
Surface ConditionSMOOTH BACK
Thread Quantity32 PER INCH
Mounting Device Quantity1
Holder Surface TreatmentANODIZE
Effective Diameter0.411 INCHES MINIMUM AND 0.421 INCHES MAXIMUM IN
MaterialALUMINUM HOLDER
Thread Class2B
Surface ConditionSMOOTH FACE
ColorBLACK HOLDER
ColorRED LENS
Thread Length0.188 INCHES NOMINAL IN
Mounting MethodTHREAD
Thread Diameter0.375 INCHES IN
Thread DirectionRIGHT-HAND
Overall Diameter0.515 INCHES NOMINAL IN
Style DesignatorCYLINDRICAL
Light Transmission DesignTRANSPARENT LENS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
6210-00-470-7602 INTERCHANGEABLE
Lens,light
Cross-Reference Index
Part NumberManufacturer
250-3331-500 PRIMARY Dialight Corporation (USA)
3028831-1 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
A99-10684-01 Communications & Power Industries Dba Communications & Power Industries Div Solid State Products Division (USA)
D09BRC Genisco Filter Corp (USA)
D09BRC PRIMARY Spectrum Control, Inc. Div Api Technologies - Eis/wesson (USA)
Related Parts
6210-00-470-7602INTERCHANGEABLE
LENS,LIGHT

Frequently Asked Questions

What is NSN 6210-00-256-6358?

NSN 6210-00-256-6358 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 6210-00-256-6358?

NSN 6210-00-256-6358 has 5 cross-referenced part numbers: 250-3331-500 (Dialight Corporation), 3028831-1 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), A99-10684-01 (Communications & Power Industries Dba Communications & Power Industries Div Solid State Products Division), D09BRC (Genisco Filter Corp), D09BRC (Spectrum Control, Inc. Div Api Technologies - Eis/wesson).

What NSN replaces 6210-00-256-6358?

There is 1 known substitute for 6210-00-256-6358: 6210-00-470-7602. Verify interchangeability with system specifications before substitution.

What are the specifications of 250-3331-500?

Key specifications for 250-3331-500: Thread Series: UNEF; Material: PLASTIC LENS; Surface Condition: SMOOTH BACK; Thread Quantity: 32 PER INCH. 20 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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