PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

24556-1Light,indicator

Telephonics Corp/prd Instruments · NSN 6210-00-186-7987 · FSC 6210 · No Item Name Available
Verified by PartsTable
NSN 6210-00-186-7987 — this item is cataloged by the U.S. Government under National Stock Number 6210-00-186-7987. Primary manufacturer part number: 24556-1.
Features
  • Light,indicator — FSC 6210
  • Panel Accommodation Hole Diameter: 0.688 INCHES NOMINAL IN
  • Lamp Bulb Size Designator: T-3 1/4
  • Lens Color: RED SINGLE LIGHT FIRST POSITION HORIZONTAL
  • Mounting Method: SCREW IN LENS
  • Lens Quantity: 1
  • Lens Type: CONVEX, KNURLED, THREADED SHANK SINGLE LIGHT FIRST POSITION HORIZONTAL
  • Surface Treatment: NICKEL BODY
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 6210-00-186-7987, is classified within Federal Supply Class 6210 (No Item Name Available) of the Lighting Fixtures and Lamps group. The primary manufacturer of record is Telephonics Corp/prd Instruments. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 42 commercial cross-references from 29 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
NSN6210-00-186-7987
Primary Part Number24556-1
Item NameLight,indicator
FSC / FSG6210 / 62 — No Item Name Available
ManufacturerTelephonics Corp/prd Instruments
StatusCANCELLED
Panel Accommodation Hole Diameter0.688 INCHES NOMINAL IN
Lamp Bulb Size DesignatorT-3 1/4
Lens ColorRED SINGLE LIGHT FIRST POSITION HORIZONTAL
Mounting MethodSCREW IN LENS
Lens Quantity1
Lens TypeCONVEX, KNURLED, THREADED SHANK SINGLE LIGHT FIRST POSITION HORIZONTAL
Surface TreatmentNICKEL BODY
Overall Diameter0.812 INCHES NOMINAL IN
Terminal Type and Quantity2 SOLDER LUG
Panel Thickness for Which Designed0.062 INCHES MAXIMUM IN
MaterialCOPPER ALLOY BODY
Lens Face Surface ConditionSMOOTH SINGLE LIGHT FIRST POSITION HORIZONTAL
Lamp Type Accommodated and Quantity1 INCANDESCENT
Style DesignatorROUND FRAME, ROUND LENS TYPE
Mounting MethodPANEL LOCATION NOT OTHERWISE SPECIFIED
Lamp Base Type AccommodatedMINIATURE BAYONET
Lens Back Surface ConditionFROSTED SINGLE LIGHT FIRST POSITION HORIZONTAL
Transmitted Light ColorRED SINGLE LIGHT FIRST POSITION HORIZONTAL FULL DISPLAY DIVISION A
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
8940-00-009-1817 INTERCHANGEABLE
Jelly
5310-00-021-8564187197 INTERCHANGEABLE
Nut,plain,hexagon
Lockheed Martin Corporation Div Rms - Mitchel Field
5975-00-044-6045P385PT INTERCHANGEABLE
Rod,ground
Hagemeyer North America, Inc.
6210-00-045-8458 INTERCHANGEABLE
Lens,light
6210-00-054-5466 INTERCHANGEABLE
Lens,light
5331-00-092-72291919 INTERCHANGEABLE
O-Ring
Amot Controls Llc
5975-00-172-55931453 INTERCHANGEABLE
Plug,conduit
Abb Installation Products Inc
6105-00-173-27731919 INTERCHANGEABLE
Motor,direct Current
Gifft T H Co Inc
5310-00-176-8135 INTERCHANGEABLE
Nut,plain,hexagon
5975-00-177-6408TC724A INTERCHANGEABLE
Box Connector,electrical
Abb Installation Products Inc
Cross-Reference Index
Part NumberManufacturer
24556-1 Telephonics Corp/prd Instruments (USA)
1450-0004 Keysight Technologies, Inc. (USA)
4149600-8 Raytheon Company Dba Raytheon (USA)
136314 Fwd Seagrave Holdings Lp (USA)
1450-0004 Keysight Technologies Inc (USA)
289370 Raytheon Technical Services Company (USA)
4300812-002 C Systems Llc Dba Craig Systems Dba Eastern Technologies (USA)
MILL3661 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
1919 Eaton Electrical Inc. Dba Cuttler Hmmer Cmrcl Cntrls Div Div Vehicle Controls Business Unit (USA)
CPC50L16 Triumph Aerostructures, Llc Dba Triumph Aerostructures - Vought Integrated Programs Division (USA)
LH62BR2 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
31637 Raytheon Company Dba Raytheon (USA)
231-0214-2 Beechcraft Corporation Dba Textron Aviation (USA)
8106685 Us Army Aviation and Missile Command (USA)
3-1229-503 Rosen Raymond and Co (USA)
LH75LC14RD Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
9365 Raytheon Technical Services Company (USA)
481481 American Hoist and Derrick Co
756-6333 Lockheed Martin Corporation Div Lockheed Martin Information Systems & Global Solutions (USA)
1913 Eaton Electrical Inc. Dba Cuttler Hmmer Cmrcl Cntrls Div Div Vehicle Controls Business Unit (USA)
Related Parts
8940-00-009-1817INTERCHANGEABLE
JELLY
5310-00-021-8564INTERCHANGEABLE
NUT,PLAIN,HEXAGON
187197
5975-00-044-6045INTERCHANGEABLE
ROD,GROUND
P385PT
6210-00-045-8458INTERCHANGEABLE
LENS,LIGHT
6210-00-054-5466INTERCHANGEABLE
LENS,LIGHT
5331-00-092-7229INTERCHANGEABLE
O-RING
1919
5975-00-172-5593INTERCHANGEABLE
PLUG,CONDUIT
1453
6105-00-173-2773INTERCHANGEABLE
MOTOR,DIRECT CURRENT
1919
5310-00-176-8135INTERCHANGEABLE
NUT,PLAIN,HEXAGON
5975-00-177-6408INTERCHANGEABLE
BOX CONNECTOR,ELECTRICAL
TC724A
3110-00-183-9928INTERCHANGEABLE
BEARING,ROLLER,NEEDLE
1453
5935-00-229-7377INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
1453

Frequently Asked Questions

What is NSN 6210-00-186-7987?

NSN 6210-00-186-7987 is a Light,indicator, manufactured by Telephonics Corp/prd Instruments, classified under FSC 6210 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6210-00-186-7987?

NSN 6210-00-186-7987 has 42 cross-referenced part numbers: 24556-1 (Telephonics Corp/prd Instruments), 1450-0004 (Keysight Technologies, Inc.), 4149600-8 (Raytheon Company Dba Raytheon), 136314 (Fwd Seagrave Holdings Lp), 1450-0004 (Keysight Technologies Inc) and 37 more.

What NSN replaces 6210-00-186-7987?

There are 12 known substitutes for 6210-00-186-7987: 8940-00-009-1817, 5310-00-021-8564, 5975-00-044-6045 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 24556-1?

Key specifications for 24556-1: Panel Accommodation Hole Diameter: 0.688 INCHES NOMINAL IN; Lamp Bulb Size Designator: T-3 1/4; Lens Color: RED SINGLE LIGHT FIRST POSITION HORIZONTAL; Mounting Method: SCREW IN LENS. 19 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6210-00-186-7987 still in active supply?

NSN 6210-00-186-7987 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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