PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MIL-DTL-3661/8 AND MIL-L-3661/14Light,indicator

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 6210-00-891-5033 · FSC 6210 · No Item Name Available
Verified by PartsTable
NSN 6210-00-891-5033 — this item is cataloged by the U.S. Government under National Stock Number 6210-00-891-5033. Primary manufacturer part number: MIL-DTL-3661/8 AND MIL-L-3661/14.
Features
  • Light,indicator — FSC 6210
  • Lens Color: WHITE SINGLE LIGHT FIRST POSITION HORIZONTAL
  • Panel Accommodation Hole Diameter: 0.688 INCHES NOMINAL IN
  • Lens Quantity: 1
  • Overall Diameter: 0.812 INCHES NOMINAL IN
  • Lamp Bulb Size Designator: T-3 1/4
  • Lamp Base Type Accommodated: MINIATURE BAYONET
  • Hazardous Locations/environmental Protection: WATERTIGHT
Applications
  • Area illumination
  • Indicator and warning display
  • Navigation and signal lighting
  • Applications requiring Copper Alloy Body construction
General Description

The Light,indicator, cataloged under National Stock Number 6210-00-891-5033, 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 21 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 13 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN6210-00-891-5033
Primary Part NumberMIL-DTL-3661/8 AND MIL-L-3661/14
Item NameLight,indicator
FSC / FSG6210 / 62 — No Item Name Available
ManufacturerMilitary Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
StatusCANCELLED
Lens ColorWHITE SINGLE LIGHT FIRST POSITION HORIZONTAL
Panel Accommodation Hole Diameter0.688 INCHES NOMINAL IN
Lens Quantity1
Overall Diameter0.812 INCHES NOMINAL IN
Lamp Bulb Size DesignatorT-3 1/4
Lamp Base Type AccommodatedMINIATURE BAYONET
Hazardous Locations/environmental ProtectionWATERTIGHT
Mounting MethodPANEL LOCATION NOT OTHERWISE SPECIFIED
Panel Thickness for Which Designed0.406 INCHES MAXIMUM IN
Mounting MethodSCREW IN LENS
Lens Face Surface ConditionSMOOTH SINGLE LIGHT FIRST POSITION HORIZONTAL
Surface TreatmentNICKEL BODY
Lamp Type Accommodated and Quantity1 NEON
Lens Back Surface ConditionSMOOTH SINGLE LIGHT FIRST POSITION HORIZONTAL
Lens TypeCONVEX, KNURLED, THREADED SHANK SINGLE LIGHT FIRST POSITION HORIZONTAL
Terminal Type and Quantity2 SOLDER LUG
Lens Light Transmission CharacteristicTRANSLUCENT SINGLE LIGHT FIRST POSITION HORIZONTAL
Transmitted Light ColorWHITE SINGLE LIGHT FIRST POSITION HORIZONTAL FULL DISPLAY DIVISION A
Style DesignatorROUND FRAME, ROUND LENS TYPE
Furnished Items and Quantity1 HEXAGON NUT AND 1 LOCK WASHER
MaterialCOPPER ALLOY BODY
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
2805-00-071-5449 INTERCHANGEABLE
Connecting Rod,piston
6210-00-235-9161 INTERCHANGEABLE
Light,indicator
6210-00-553-0508 INTERCHANGEABLE
Light,indicator
6210-00-578-6452 INTERCHANGEABLE
Light,indicator
6210-00-838-2415 INTERCHANGEABLE
Lens,light
6210-00-843-0487 INTERCHANGEABLE
Light,indicator
6210-00-891-5030 INTERCHANGEABLE
Light,indicator
6210-00-891-5034 INTERCHANGEABLE
Light,indicator
6210-00-892-2377 INTERCHANGEABLE
Light,indicator
6210-00-926-1279 INTERCHANGEABLE
Light,indicator
Cross-Reference Index
Part NumberManufacturer
MIL-DTL-3661/8 AND MIL-L-3661/14 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
81-0408-0135-271 Dialight Corporation (USA)
891693 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
LH76LC14WT Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
LH76/1-LC14WT3 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
891693PC5 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
MIL-L-3661 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MS90287-21 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
TAG-6027-TA212CC Genisco Filter Corp (USA)
LH76/1-LC14WDC Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
81408-135 Dialight Corporation (USA)
LH76/1LC14WT3 Ems Development Corporation (USA)
MIL-DTL-3661/8 MIL-DTL-3661/14 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
2805-00-071-5449INTERCHANGEABLE
CONNECTING ROD,PISTON
6210-00-235-9161INTERCHANGEABLE
LIGHT,INDICATOR
6210-00-553-0508INTERCHANGEABLE
LIGHT,INDICATOR
6210-00-578-6452INTERCHANGEABLE
LIGHT,INDICATOR
6210-00-838-2415INTERCHANGEABLE
LENS,LIGHT
6210-00-843-0487INTERCHANGEABLE
LIGHT,INDICATOR
6210-00-891-5030INTERCHANGEABLE
LIGHT,INDICATOR
6210-00-891-5034INTERCHANGEABLE
LIGHT,INDICATOR
6210-00-892-2377INTERCHANGEABLE
LIGHT,INDICATOR
6210-00-926-1279INTERCHANGEABLE
LIGHT,INDICATOR
6210-01-007-1904INTERCHANGEABLE
LIGHT,INDICATOR
6210-01-010-8954INTERCHANGEABLE
LIGHT,INDICATOR

Frequently Asked Questions

What is NSN 6210-00-891-5033?

NSN 6210-00-891-5033 is a Light,indicator, 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 6210-00-891-5033?

NSN 6210-00-891-5033 has 13 cross-referenced part numbers: MIL-DTL-3661/8 AND MIL-L-3661/14 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 81-0408-0135-271 (Dialight Corporation), 891693 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), LH76LC14WT (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), LH76/1-LC14WT3 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M) and 8 more.

What NSN replaces 6210-00-891-5033?

There are 12 known substitutes for 6210-00-891-5033: 2805-00-071-5449, 6210-00-235-9161, 6210-00-553-0508 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MIL-DTL-3661/8 AND MIL-L-3661/14?

Key specifications for MIL-DTL-3661/8 AND MIL-L-3661/14: Lens Color: WHITE SINGLE LIGHT FIRST POSITION HORIZONTAL; Panel Accommodation Hole Diameter: 0.688 INCHES NOMINAL IN; Lens Quantity: 1; Overall Diameter: 0.812 INCHES NOMINAL IN. 22 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6210-00-891-5033 still in active supply?

NSN 6210-00-891-5033 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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