PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

23837Speculum,otoscope

Welch Allyn, Inc. · NSN 6515-01-573-5275 · FSC 6515 · No Item Name Available
Verified by PartsTable
NSN 6515-01-573-5275 — this item is cataloged by the U.S. Government under National Stock Number 6515-01-573-5275. Primary manufacturer part number: 23837.
Features
  • Speculum,otoscope — FSC 6515
  • Disposition After Initial Use: REUSABLE
  • Size Designator: 7 MM MM
  • 4 verified cross-references
  • Primary manufacturer: Welch Allyn, Inc.
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Speculum,otoscope, cataloged under National Stock Number 6515-01-573-5275, 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 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN6515-01-573-5275
Primary Part Number23837
Item NameSpeculum,otoscope
FSC / FSG6515 / 65 — No Item Name Available
ManufacturerWelch Allyn, Inc.
StatusACTIVE
Disposition After Initial UseREUSABLE
Size Designator7 MM MM
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Unit of IssueEA
Verified Substitutes 12
5940-00-079-323711-0-156 INTERCHANGEABLE
Terminal,lug
Zierick Mfg Corp
2520-00-163-240611156 INTERCHANGEABLE
Rod
Komatsu America Corporation
3120-00-279-056323837 INTERCHANGEABLE
Bearing,sleeve
Briggs and Stratton Corp
5310-00-582-5677MS15795-810 INTERCHANGEABLE
Washer,flat
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
4730-00-684-602615297FX INTERCHANGEABLE
Adapter,straight,pipe to Tube
Oshkosh Defense Llc
2805-00-869-345523837 INTERCHANGEABLE
Coupling,pump
Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp.
4920-00-976-9567 INTERCHANGEABLE
Driver,module
5998-01-191-34777010-2383-800 INTERCHANGEABLE
Circuit Card Assembly
Viavi Solutionsllc
3130-01-301-9092CA9143-31 INTERCHANGEABLE
Housing,bearing Unit
Air & Liquid Systems Corporation Dba Buffalo Pumps
5330-01-326-07924075430 INTERCHANGEABLE
Gasket
Parker-Hannifin Corporation Dba Parker Hannifin Advanced Products Co Div Composite Sealing Systems Division
Cross-Reference Index
Part NumberManufacturer
6515NCM093245 Defense Medical Standardization Board (USA)
23837 Welch Allyn Holdings, Inc. (USA)
11156 Defense Logistics Agency Directorate of Medical Materiel Defense Supply Center Philadelphia (USA)
23837 PRIMARY Welch Allyn, Inc. (USA)
Related Parts
5940-00-079-3237INTERCHANGEABLE
TERMINAL,LUG
11-0-156
2520-00-163-2406INTERCHANGEABLE
ROD
11156
3120-00-279-0563INTERCHANGEABLE
BEARING,SLEEVE
23837
5310-00-582-5677INTERCHANGEABLE
WASHER,FLAT
MS15795-810
4730-00-684-6026INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO TUBE
15297FX
2805-00-869-3455INTERCHANGEABLE
COUPLING,PUMP
23837
4920-00-976-9567INTERCHANGEABLE
DRIVER,MODULE
5998-01-191-3477INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
7010-2383-800
3130-01-301-9092INTERCHANGEABLE
HOUSING,BEARING UNIT
CA9143-31
5330-01-326-0792INTERCHANGEABLE
GASKET
4075430
4730-01-534-6537INTERCHANGEABLE
MANIFOLD ASSEMBLY,HYDRAULIC
11156
1630-01-685-5041INTERCHANGEABLE
RIM,WHEEL,PNEUMATIC TIRE
11-156

Frequently Asked Questions

What is NSN 6515-01-573-5275?

NSN 6515-01-573-5275 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 6515-01-573-5275?

NSN 6515-01-573-5275 has 4 cross-referenced part numbers: 6515NCM093245 (Defense Medical Standardization Board), 23837 (Welch Allyn Holdings, Inc.), 11156 (Defense Logistics Agency Directorate of Medical Materiel Defense Supply Center Philadelphia), 23837 (Welch Allyn, Inc.).

What NSN replaces 6515-01-573-5275?

There are 12 known substitutes for 6515-01-573-5275: 5940-00-079-3237, 2520-00-163-2406, 3120-00-279-0563 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 23837?

Key specifications for 23837: Part Name Assigned by Controlling Agency: SPECULUM REUSABLE OTOSCOPE 7MM VES MM; Disposition After Initial Use: REUSABLE; End Item Identification: 6515-01-529-8155 DIAGNOSTIC KIT, OPHTHALMOSCOPE AND OTOSCOPE; Size Designator: 7 MM MM. 5 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com