PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

24303-USpeculum,otoscope

Welch Allyn, Inc. · NSN 6515-01-143-8458 · FSC 6515 · No Item Name Available
Verified by PartsTable
NSN 6515-01-143-8458 — this item is cataloged by the U.S. Government under National Stock Number 6515-01-143-8458. Primary manufacturer part number: 24303-U.
Features
  • Speculum,otoscope — FSC 6515
  • Material: PLASTIC POLYPROPYLENE OVERALL
  • Design Type: AURAL
  • Size Designator: 3 MM MM
  • 5 verified cross-references
  • Primary manufacturer: Welch Allyn, Inc.
Applications
  • Applications requiring Plastic Polypropylene Overall construction
General Description

The Speculum,otoscope, cataloged under National Stock Number 6515-01-143-8458, is classified within Federal Supply Class 6515 (No Item Name Available) of the Medical, Dental, and Veterinary Equipment group. The primary manufacturer of record is Welch Allyn, Inc.. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN6515-01-143-8458
Primary Part Number24303-U
Item NameSpeculum,otoscope
FSC / FSG6515 / 65 — No Item Name Available
ManufacturerWelch Allyn, Inc.
StatusACTIVE
MaterialPLASTIC POLYPROPYLENE OVERALL
Design TypeAURAL
Size Designator3 MM MM
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Unit of IssueEA
Verified Substitutes 3
5360-00-314-7189N24303 INTERCHANGEABLE
Spring,helical,compression
Leslie Controls, Inc. Dba Leslie Controls Inc
4820-01-214-7058243-03 INTERCHANGEABLE
Seat,valve
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
4320-01-304-831424303 INTERCHANGEABLE
Housing,liquid Pump
Industrial Technologies and Services Llc
Cross-Reference Index
Part NumberManufacturer
24303 Welch Allyn Holdings, Inc. (USA)
24303-U Welch Allyn Holdings, Inc. (USA)
6515L022253 Defense Logistics Agency Directorate of Medical Materiel Defense Supply Center Philadelphia (USA)
24303-U PRIMARY Welch Allyn, Inc. (USA)
24303 Welch Allyn (uk) Ltd (GBR)
Related Parts
5360-00-314-7189INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
N24303
4820-01-214-7058INTERCHANGEABLE
SEAT,VALVE
243-03
4320-01-304-8314INTERCHANGEABLE
HOUSING,LIQUID PUMP
24303

Frequently Asked Questions

What is NSN 6515-01-143-8458?

NSN 6515-01-143-8458 is a Speculum,otoscope, manufactured by Welch Allyn, Inc., classified under FSC 6515 (No Item Name Available). Status: active.

What are the part numbers for NSN 6515-01-143-8458?

NSN 6515-01-143-8458 has 5 cross-referenced part numbers: 24303 (Welch Allyn Holdings, Inc.), 24303-U (Welch Allyn Holdings, Inc.), 6515L022253 (Defense Logistics Agency Directorate of Medical Materiel Defense Supply Center Philadelphia), 24303-U (Welch Allyn, Inc.), 24303 (Welch Allyn (uk) Ltd).

What NSN replaces 6515-01-143-8458?

There are 3 known substitutes for 6515-01-143-8458: 5360-00-314-7189, 4820-01-214-7058, 4320-01-304-8314. Verify interchangeability with system specifications before substitution.

What are the specifications of 24303-U?

Key specifications for 24303-U: Material: PLASTIC POLYPROPYLENE OVERALL; Special Features: REUSABLE; FOR USE WITH DIAGNOSTIC OTOSCOPE TO EXAMINE PEDIATRIC PATIENTS; WELCH ALLYN OTOSCOPE 24000; Design Type: AURAL; Part Name Assigned by Controlling Agency: SPECULUM OTOSCOPE AURAL PLAS REUSABLE 3MM MM. 5 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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