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 6210-00-145-1369 · FSC 6210 · No Item Name Available
Verified by PartsTable
NSN 6210-00-145-1369 — this item is cataloged by the U.S. Government under National Stock Number 6210-00-145-1369. Primary manufacturer part number: MIL-DTL-3661/28.
Features
  • Lens,light — FSC 6210
  • Effective Diameter: 0.438 INCHES NOMINAL IN
  • Light Transmission Design: TRANSPARENT LENS
  • Thread Series: UNEF
  • Color: BLACK HOLDER
  • Effective Length: 0.496 INCHES MINIMUM AND 0.536 INCHES MAXIMUM IN
  • Surface Condition: SMOOTH FACE
  • Mounting Device Quantity: 1
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 6210-00-145-1369, 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 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6210-00-145-1369
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
StatusACTIVE
Effective Diameter0.438 INCHES NOMINAL IN
Light Transmission DesignTRANSPARENT LENS
Thread SeriesUNEF
ColorBLACK HOLDER
Effective Length0.496 INCHES MINIMUM AND 0.536 INCHES MAXIMUM IN
Surface ConditionSMOOTH FACE
Mounting Device Quantity1
Mounting MethodEXTERNAL THREAD
Style DesignatorSTOVEPIPE
Thread Class2A A
Thread Diameter0.312 INCHES IN
ColorRED LENS
Thread DirectionRIGHT-HAND
Surface ConditionSMOOTH BACK
Thread Quantity32 PER INCH
Hazardous Locations/environmental ProtectionDUSTTIGHT-NEMA TYPE 5 AND ELECTROMAGNETIC INTERFERENCE SHIELDED
MaterialPLASTIC LENS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
6210-00-283-9976 INTERCHANGEABLE
Lens,light
6210-00-449-8461 INTERCHANGEABLE
Light,indicator
6210-00-451-8323 INTERCHANGEABLE
Lens,light
6210-01-048-2746 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
370RN Littelfuse, Inc. (USA)
6P41 Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch (USA)
LC2BRN2 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
39-0369-101 Hamilton Sundstrand Corporation Div Mission Systems (USA)
LC28RN2 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
P402R1 Safran Power Usa, Llc (USA)
MIL-L-3661/28 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
6210-00-283-9976INTERCHANGEABLE
LENS,LIGHT
6210-00-449-8461INTERCHANGEABLE
LIGHT,INDICATOR
6210-00-451-8323INTERCHANGEABLE
LENS,LIGHT
6210-01-048-2746INTERCHANGEABLE
LENS,LIGHT
6210-01-220-9848INTERCHANGEABLE
LIGHT,INDICATOR

Frequently Asked Questions

What is NSN 6210-00-145-1369?

NSN 6210-00-145-1369 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: active.

What are the part numbers for NSN 6210-00-145-1369?

NSN 6210-00-145-1369 has 8 cross-referenced part numbers: MIL-DTL-3661/28 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 370RN (Littelfuse, Inc.), 6P41 (Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch), LC2BRN2 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 39-0369-101 (Hamilton Sundstrand Corporation Div Mission Systems) and 3 more.

What NSN replaces 6210-00-145-1369?

There are 5 known substitutes for 6210-00-145-1369: 6210-00-283-9976, 6210-00-449-8461, 6210-00-451-8323 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: Effective Diameter: 0.438 INCHES NOMINAL IN; Light Transmission Design: TRANSPARENT LENS; Thread Series: UNEF; Color: BLACK HOLDER. 18 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com