PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MIL-DTL-3661/28Lens,light

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 6210-01-048-2746 · FSC 6210 · No Item Name Available
Verified by PartsTable
NSN 6210-01-048-2746 — this item is cataloged by the U.S. Government under National Stock Number 6210-01-048-2746. Primary manufacturer part number: MIL-DTL-3661/28.
Features
  • Lens,light — FSC 6210
  • Surface Condition: SMOOTH BACK
  • Effective Diameter: 0.437 INCHES NOMINAL IN
  • Color: CLEAR LENS
  • Thread Quantity: 32 PER INCH
  • Effective Length: 0.496 INCHES MINIMUM AND 0.536 INCHES MAXIMUM IN
  • Material: PLASTIC LENS
  • Mounting Method: THREAD
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 6210-01-048-2746, 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 7 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN6210-01-048-2746
Primary Part NumberMIL-DTL-3661/28
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
Surface ConditionSMOOTH BACK
Effective Diameter0.437 INCHES NOMINAL IN
ColorCLEAR LENS
Thread Quantity32 PER INCH
Effective Length0.496 INCHES MINIMUM AND 0.536 INCHES MAXIMUM IN
MaterialPLASTIC LENS
Mounting MethodTHREAD
Mounting Device Quantity1
Thread Diameter0.312 INCHES IN
Thread Class2A A
Style DesignatorSTOVEPIPE
Thread DirectionRIGHT-HAND
Hazardous Locations/environmental ProtectionDUSTTIGHT AND ELECTROMAGNETIC INTERFERENCE SHIELDED
Light Transmission DesignTRANSPARENT LENS
Surface ConditionSMOOTH FACE
Thread SeriesUNEF
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 5
6210-00-145-1369 INTERCHANGEABLE
Lens,light
6210-00-283-9976 INTERCHANGEABLE
Lens,light
6210-00-449-8461 INTERCHANGEABLE
Light,indicator
6210-00-451-8323 INTERCHANGEABLE
Lens,light
6210-01-220-9848 INTERCHANGEABLE
Light,indicator
Cross-Reference Index
Part NumberManufacturer
MIL-DTL-3661/28 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
M3661/28 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
370CN Littelfuse, Inc. (USA)
MIL-L-3661/28 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
P402C Safran Power Usa, Llc (USA)
5P41 Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch (USA)
LC28CN2 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
6210-00-145-1369INTERCHANGEABLE
LENS,LIGHT
6210-00-283-9976INTERCHANGEABLE
LENS,LIGHT
6210-00-449-8461INTERCHANGEABLE
LIGHT,INDICATOR
6210-00-451-8323INTERCHANGEABLE
LENS,LIGHT
6210-01-220-9848INTERCHANGEABLE
LIGHT,INDICATOR

Frequently Asked Questions

What is NSN 6210-01-048-2746?

NSN 6210-01-048-2746 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 6210-01-048-2746?

NSN 6210-01-048-2746 has 7 cross-referenced part numbers: MIL-DTL-3661/28 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), M3661/28 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 370CN (Littelfuse, Inc.), MIL-L-3661/28 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), P402C (Safran Power Usa, Llc) and 2 more.

What NSN replaces 6210-01-048-2746?

There are 5 known substitutes for 6210-01-048-2746: 6210-00-145-1369, 6210-00-283-9976, 6210-00-449-8461 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MIL-DTL-3661/28?

Key specifications for MIL-DTL-3661/28: Surface Condition: SMOOTH BACK; Effective Diameter: 0.437 INCHES NOMINAL IN; Color: CLEAR LENS; Thread Quantity: 32 PER INCH. 17 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6210-01-048-2746 still in active supply?

NSN 6210-01-048-2746 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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