PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MIL-DTL-3661/8 MIL-DTL-3661/15Light,indicator

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 6210-01-027-5964 · FSC 6210 · No Item Name Available
Verified by PartsTable
NSN 6210-01-027-5964 — this item is cataloged by the U.S. Government under National Stock Number 6210-01-027-5964. Primary manufacturer part number: MIL-DTL-3661/8 MIL-DTL-3661/15.
Features
  • Light,indicator — FSC 6210
  • Hazardous Locations/environmental Protection: DRIPPROOF
  • Panel Accommodation Hole Diameter: 0.688 INCHES MINIMUM AND 0.694 INCHES MAXIMUM IN
  • Lens Color: COLORLESS SINGLE LIGHT FIRST POSITION HORIZONTAL
  • Lens Face Surface Condition: SMOOTH SINGLE LIGHT FIRST POSITION HORIZONTAL
  • Lens Back Surface Condition: SMOOTH SINGLE LIGHT FIRST POSITION HORIZONTAL
  • Lamp Type Accommodated and Quantity: 1 INCANDESCENT
  • Lens Light Transmission Characteristic: TRANSPARENT SINGLE LIGHT FIRST POSITION HORIZONTAL
Applications
  • Area illumination
  • Indicator and warning display
  • Navigation and signal lighting
General Description

The Light,indicator, cataloged under National Stock Number 6210-01-027-5964, 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 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6210-01-027-5964
Primary Part NumberMIL-DTL-3661/8 MIL-DTL-3661/15
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
StatusACTIVE
Hazardous Locations/environmental ProtectionDRIPPROOF
Panel Accommodation Hole Diameter0.688 INCHES MINIMUM AND 0.694 INCHES MAXIMUM IN
Lens ColorCOLORLESS SINGLE LIGHT FIRST POSITION HORIZONTAL
Lens Face Surface ConditionSMOOTH SINGLE LIGHT FIRST POSITION HORIZONTAL
Lens Back Surface ConditionSMOOTH SINGLE LIGHT FIRST POSITION HORIZONTAL
Lamp Type Accommodated and Quantity1 INCANDESCENT
Lens Light Transmission CharacteristicTRANSPARENT SINGLE LIGHT FIRST POSITION HORIZONTAL
Mounting MethodPANEL LOCATION NOT OTHERWISE SPECIFIED
Panel Thickness for Which Designed0.188 INCHES MAXIMUM IN
Terminal Type and Quantity2 SOLDER LUG
Style DesignatorROUND FRAME, ROUND LENS TYPE
Lens TypeDOME, KNURLED, THREADED SHANK SINGLE LIGHT FIRST POSITION HORIZONTAL
Mounting MethodSCREW IN LENS
Furnished Items and Quantity2 GASKET AND 1 HEXAGON NUT AND 1 LOCK WASHER
Transmitted Light ColorCOLORLESS SINGLE LIGHT FIRST POSITION HORIZONTAL FULL DISPLAY DIVISION A
Lamp Bulb Size DesignatorT-3 1/4
Overall Diameter0.938 INCHES MINIMUM AND 0.968 INCHES MAXIMUM IN
Lens Quantity1
Lamp Base Type AccommodatedMINIATURE BAYONET
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
6210-00-054-5467 INTERCHANGEABLE
Light,indicator
6210-00-183-0454 INTERCHANGEABLE
Light,indicator
6210-00-519-1976 INTERCHANGEABLE
Light,indicator
6210-00-804-5367 INTERCHANGEABLE
Light,indicator
6210-01-063-3069 INTERCHANGEABLE
Light,indicator
6210-01-142-4037 INTERCHANGEABLE
Light,indicator
Cross-Reference Index
Part NumberManufacturer
MIL-DTL-3661/8 MIL-DTL-3661/15 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
LH76/3LC15CN3 Zf Industrieantriebe Witten Gmbh (DEU)
MIL-L-3661 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
LH76/3-LC15CN3 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-DTL-3661/8 AND MIL-L-3661/15 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
6210-00-054-5467INTERCHANGEABLE
LIGHT,INDICATOR
6210-00-183-0454INTERCHANGEABLE
LIGHT,INDICATOR
6210-00-519-1976INTERCHANGEABLE
LIGHT,INDICATOR
6210-00-804-5367INTERCHANGEABLE
LIGHT,INDICATOR
6210-01-063-3069INTERCHANGEABLE
LIGHT,INDICATOR
6210-01-142-4037INTERCHANGEABLE
LIGHT,INDICATOR

Frequently Asked Questions

What is NSN 6210-01-027-5964?

NSN 6210-01-027-5964 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: active.

What are the part numbers for NSN 6210-01-027-5964?

NSN 6210-01-027-5964 has 5 cross-referenced part numbers: MIL-DTL-3661/8 MIL-DTL-3661/15 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), LH76/3LC15CN3 (Zf Industrieantriebe Witten Gmbh), MIL-L-3661 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), LH76/3-LC15CN3 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-DTL-3661/8 AND MIL-L-3661/15 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 6210-01-027-5964?

There are 6 known substitutes for 6210-01-027-5964: 6210-00-054-5467, 6210-00-183-0454, 6210-00-519-1976 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MIL-DTL-3661/8 MIL-DTL-3661/15?

Key specifications for MIL-DTL-3661/8 MIL-DTL-3661/15: Overall Length: 2.554 INCHES MAXIMUM IN; Hazardous Locations/environmental Protection: DRIPPROOF; Panel Accommodation Hole Diameter: 0.688 INCHES MINIMUM AND 0.694 INCHES MAXIMUM IN; Lens Color: COLORLESS SINGLE LIGHT FIRST POSITION HORIZONTAL. 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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