PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

621-281Light Emitting Diode

Sloan Company, the Dba Sloan LED · NSN 5980-01-523-3496 · FSC 5980 · Light Emitting Diode
Verified by PartsTable
NSN 5980-01-523-3496 — this item is cataloged by the U.S. Government under National Stock Number 5980-01-523-3496. Primary manufacturer part number: 621-281.
Features
  • Light Emitting Diode — FSC 5980
  • Mounting Facility Quantity: 1
  • Mounting Method: UNTHREADED HOLE(S)
  • Voltage Rating in Volts Per Characteristic: 28.0 NOMINAL FORWARD VOLTAGE, DC
  • Terminal Type and Quantity: 2 UNINSULATED WIRE LEAD
  • Overall Diameter: 0.315 INCHES NOMINAL IN
  • Color Tone Produced Per Source: RED SEMICONDUCTOR AND RED LENS
  • Lens Transparency: TRANSLUCENT
Applications
  • Area illumination
  • Indicator and warning display
  • Navigation and signal lighting
  • Circuit regulation and filtering
  • Signal conditioning
General Description

The Light Emitting Diode, cataloged under National Stock Number 5980-01-523-3496, is classified within Federal Supply Class 5980 (Light Emitting Diode) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Sloan Company, the Dba Sloan LED. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5980-01-523-3496
Primary Part Number621-281
Item NameLight Emitting Diode
FSC / FSG5980 / 59 — Light Emitting Diode
ManufacturerSloan Company, the Dba Sloan LED
StatusACTIVE
Mounting Facility Quantity1
Mounting MethodUNTHREADED HOLE(S)
Voltage Rating in Volts Per Characteristic28.0 NOMINAL FORWARD VOLTAGE, DC
Terminal Type and Quantity2 UNINSULATED WIRE LEAD
Overall Diameter0.315 INCHES NOMINAL IN
Color Tone Produced Per SourceRED SEMICONDUCTOR AND RED LENS
Lens TransparencyTRANSLUCENT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5330-00-927-926021281 INTERCHANGEABLE
Seal,oil
Caterpillar Inc Div Caterpillar Defense
Cross-Reference Index
Part NumberManufacturer
621-281 Sloan Company, the Dba Sloan LED (USA)
124418 L3harris Technologies, Inc. (USA)
Related Parts
5330-00-927-9260INTERCHANGEABLE
SEAL,OIL
21281

Frequently Asked Questions

What is NSN 5980-01-523-3496?

NSN 5980-01-523-3496 is a Light Emitting Diode, manufactured by Sloan Company, the Dba Sloan LED, classified under FSC 5980 (Light Emitting Diode). Status: active.

What are the part numbers for NSN 5980-01-523-3496?

NSN 5980-01-523-3496 has 2 cross-referenced part numbers: 621-281 (Sloan Company, the Dba Sloan LED), 124418 (L3harris Technologies, Inc.).

What NSN replaces 5980-01-523-3496?

There is 1 known substitute for 5980-01-523-3496: 5330-00-927-9260. Verify interchangeability with system specifications before substitution.

What are the specifications of 621-281?

Key specifications for 621-281: Mounting Facility Quantity: 1; Overall Length: 0.875 INCHES NOMINAL IN; End Item Identification: ALOFTS SONAR SYSTEM, MODEL 980 (V1); Mounting Method: UNTHREADED HOLE(S). 9 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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