PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

17521Light,indicator

Avo Intl · NSN 6210-00-250-8574 · FSC 6210 · No Item Name Available
Verified by PartsTable
NSN 6210-00-250-8574 — this item is cataloged by the U.S. Government under National Stock Number 6210-00-250-8574. Primary manufacturer part number: 17521.
Features
  • Light,indicator — FSC 6210
  • Panel Thickness for Which Designed: 0.020 INCHES MINIMUM AND 0.100 INCHES MAXIMUM IN
  • Lamp Type Accommodated and Quantity: 1 NEON
  • Lens Type: CYLINDRICAL SINGLE LIGHT FIRST POSITION HORIZONTAL
  • Panel Accommodation Hole Diameter: 0.500 INCHES MINIMUM AND 0.505 INCHES MAXIMUM IN
  • Lens Color: RED SINGLE LIGHT FIRST POSITION HORIZONTAL
  • Lens Quantity: 1
  • Style Designator: ROUND FRAME, ROUND LENS TYPE
Applications
  • Area illumination
  • Indicator and warning display
  • Navigation and signal lighting
  • Applications requiring Plastic Polyamide Nylon Body construction
General Description

The Light,indicator, cataloged under National Stock Number 6210-00-250-8574, is classified within Federal Supply Class 6210 (No Item Name Available) of the Lighting Fixtures and Lamps group. The primary manufacturer of record is Avo Intl. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN6210-00-250-8574
Primary Part Number17521
Item NameLight,indicator
FSC / FSG6210 / 62 — No Item Name Available
ManufacturerAvo Intl
StatusCANCELLED
Panel Thickness for Which Designed0.020 INCHES MINIMUM AND 0.100 INCHES MAXIMUM IN
Lamp Type Accommodated and Quantity1 NEON
Lens TypeCYLINDRICAL SINGLE LIGHT FIRST POSITION HORIZONTAL
Panel Accommodation Hole Diameter0.500 INCHES MINIMUM AND 0.505 INCHES MAXIMUM IN
Lens ColorRED SINGLE LIGHT FIRST POSITION HORIZONTAL
Lens Quantity1
Style DesignatorROUND FRAME, ROUND LENS TYPE
MaterialPLASTIC POLYAMIDE NYLON BODY
Mounting MethodPANEL LOCATION NOT OTHERWISE SPECIFIED
Transmitted Light ColorRED SINGLE LIGHT FIRST POSITION HORIZONTAL FULL DISPLAY DIVISION A
Lens Back Surface ConditionSMOOTH SINGLE LIGHT FIRST POSITION HORIZONTAL
Lens Face Surface ConditionSMOOTH SINGLE LIGHT FIRST POSITION HORIZONTAL
Lens Light Transmission CharacteristicTRANSPARENT SINGLE LIGHT FIRST POSITION HORIZONTAL
Terminal Type and Quantity2 WIRE LEAD
Mounting MethodPUSH-IN LENS
Overall Diameter0.630 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 6
5962-00-514-1922 INTERCHANGEABLE
Microcircuit,digital
4710-00-756-085417521 INTERCHANGEABLE
Tube Assembly,metal
Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp.
3010-01-212-266017521 INTERCHANGEABLE
Clutch Half,positive,nonvehicula
Blako Inc. Dba Blakeslee
6150-01-364-4964ECM-521 INTERCHANGEABLE
Cable Assembly,special Purpose,e
Electri-Cord Mfg Co Inc
4820-01-424-2665 INTERCHANGEABLE
Parts Kit,valve
5340-01-559-629517521 INTERCHANGEABLE
Bracket,mounting
Silver Eagle Manufacturing Co
Cross-Reference Index
Part NumberManufacturer
LN2A Apex Tool Group (USA)
1050K24 Chicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron (USA)
1050C1 Industrial Devices Inc (USA)
1050K24 Industrial Devices Inc (USA)
981-670A96WRN Littelfuse, Inc. (USA)
17521 PRIMARY Avo Intl (USA)
LN2A Cooper Industries Inc Weller/cooper Tools Div (USA)
B1050C1 Industrial Devices Inc (USA)
LN2A Apex Tool Group, Llc (USA)
Related Parts
5962-00-514-1922INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
4710-00-756-0854INTERCHANGEABLE
TUBE ASSEMBLY,METAL
17521
3010-01-212-2660INTERCHANGEABLE
CLUTCH HALF,POSITIVE,NONVEHICULA
17521
6150-01-364-4964INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
ECM-521
4820-01-424-2665INTERCHANGEABLE
PARTS KIT,VALVE
5340-01-559-6295INTERCHANGEABLE
BRACKET,MOUNTING
17521

Frequently Asked Questions

What is NSN 6210-00-250-8574?

NSN 6210-00-250-8574 is a Light,indicator, manufactured by Avo Intl, classified under FSC 6210 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6210-00-250-8574?

NSN 6210-00-250-8574 has 9 cross-referenced part numbers: LN2A (Apex Tool Group), 1050K24 (Chicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron), 1050C1 (Industrial Devices Inc), 1050K24 (Industrial Devices Inc), 981-670A96WRN (Littelfuse, Inc.) and 4 more.

What NSN replaces 6210-00-250-8574?

There are 6 known substitutes for 6210-00-250-8574: 5962-00-514-1922, 4710-00-756-0854, 3010-01-212-2660 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 17521?

Key specifications for 17521: Panel Thickness for Which Designed: 0.020 INCHES MINIMUM AND 0.100 INCHES MAXIMUM IN; Lamp Type Accommodated and Quantity: 1 NEON; Lens Type: CYLINDRICAL SINGLE LIGHT FIRST POSITION HORIZONTAL; Panel Accommodation Hole Diameter: 0.500 INCHES MINIMUM AND 0.505 INCHES MAXIMUM IN. 17 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6210-00-250-8574 still in active supply?

NSN 6210-00-250-8574 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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