PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MIL-DTL-3661/29Lens,light

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 6210-01-131-9129 · FSC 6210 · No Item Name Available
Verified by PartsTable
NSN 6210-01-131-9129 — this item is cataloged by the U.S. Government under National Stock Number 6210-01-131-9129. Primary manufacturer part number: MIL-DTL-3661/29.
Features
  • Lens,light — FSC 6210
  • Mounting Method: EXTERNAL THREAD
  • Color: RED LENS
  • Thread Quantity: 32 PER INCH
  • Light Transmission Design: TRANSPARENT LENS
  • Thread Diameter: 0.312 INCHES IN
  • Hazardous Locations/environmental Protection: DUSTTIGHT
  • Effective Diameter: 0.438 INCHES NOMINAL IN
Applications
  • Area illumination
  • Indicator and warning display
  • Navigation and signal lighting
General Description

The Lens,light, cataloged under National Stock Number 6210-01-131-9129, 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 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6210-01-131-9129
Primary Part NumberMIL-DTL-3661/29
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
Mounting MethodEXTERNAL THREAD
ColorRED LENS
Thread Quantity32 PER INCH
Light Transmission DesignTRANSPARENT LENS
Thread Diameter0.312 INCHES IN
Hazardous Locations/environmental ProtectionDUSTTIGHT
Effective Diameter0.438 INCHES NOMINAL IN
Surface ConditionSMOOTH FACE
Effective Length0.438 INCHES NOMINAL IN
Surface ConditionSMOOTH BACK
Thread Class2A A
Thread DirectionRIGHT-HAND
Mounting Device Quantity1
Thread SeriesUNEF
Style DesignatorSTOVEPIPE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
6210-00-183-0331 INTERCHANGEABLE
Lens,light
6210-00-401-9790162-1472 INTERCHANGEABLE
Lens,light
Dialight Corporation
6210-00-538-0887 INTERCHANGEABLE
Lens,light
6210-01-012-4599 INTERCHANGEABLE
Lens,light
6210-01-111-7707 INTERCHANGEABLE
Lens,light
6210-01-112-7572 INTERCHANGEABLE
Lens,light
6210-01-142-5843 INTERCHANGEABLE
Light,indicator
6210-01-144-2791 INTERCHANGEABLE
Light,indicator
6210-01-151-2323 INTERCHANGEABLE
Lens,light
6210-01-270-4596 INTERCHANGEABLE
Lens,light
Cross-Reference Index
Part NumberManufacturer
MIL-DTL-3661/29 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
LC29RN2 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-L-3661/29 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
6210-00-183-0331INTERCHANGEABLE
LENS,LIGHT
6210-00-401-9790INTERCHANGEABLE
LENS,LIGHT
162-1472
6210-00-538-0887INTERCHANGEABLE
LENS,LIGHT
6210-01-012-4599INTERCHANGEABLE
LENS,LIGHT
6210-01-111-7707INTERCHANGEABLE
LENS,LIGHT
6210-01-112-7572INTERCHANGEABLE
LENS,LIGHT
6210-01-142-5843INTERCHANGEABLE
LIGHT,INDICATOR
6210-01-144-2791INTERCHANGEABLE
LIGHT,INDICATOR
6210-01-151-2323INTERCHANGEABLE
LENS,LIGHT
6210-01-270-4596INTERCHANGEABLE
LENS,LIGHT
6210-01-525-3639INTERCHANGEABLE
LENS,LIGHT

Frequently Asked Questions

What is NSN 6210-01-131-9129?

NSN 6210-01-131-9129 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 6210-01-131-9129?

NSN 6210-01-131-9129 has 3 cross-referenced part numbers: MIL-DTL-3661/29 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), LC29RN2 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-L-3661/29 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 6210-01-131-9129?

There are 11 known substitutes for 6210-01-131-9129: 6210-00-183-0331, 6210-00-401-9790, 6210-00-538-0887 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MIL-DTL-3661/29?

Key specifications for MIL-DTL-3661/29: Mounting Method: EXTERNAL THREAD; Color: RED LENS; Thread Quantity: 32 PER INCH; Light Transmission Design: TRANSPARENT LENS. 16 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