PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

52666Ringless System,dental Casting

Bego Usa Inc · NSN 6520-01-594-1963 · FSC 6520 · No Item Name Available
Verified by PartsTable
NSN 6520-01-594-1963 — this item is cataloged by the U.S. Government under National Stock Number 6520-01-594-1963. Primary manufacturer part number: 52666.
Features
  • Ringless System,dental Casting — FSC 6520
  • 5 verified cross-references
  • Primary manufacturer: Bego Usa Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Ringless System,dental Casting, cataloged under National Stock Number 6520-01-594-1963, is classified within Federal Supply Class 6520 (No Item Name Available) of the Medical, Dental, and Veterinary Equipment group. The primary manufacturer of record is Bego Usa Inc. This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: SE.

Technical Specifications
ParameterValue
NSN6520-01-594-1963
Primary Part Number52666
Item NameRingless System,dental Casting
FSC / FSG6520 / 65 — No Item Name Available
ManufacturerBego Usa Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Unit of IssueSE
Verified Substitutes 10
4320-00-298-400043-187-034 INTERCHANGEABLE
Seal Assembly,shaft,spring Loade
John Crane, Inc
5310-00-358-3797020064 INTERCHANGEABLE
Washer,flat
Thermo King Corporation Dba Phoenix Global Distirbution.
3120-00-661-55098720450 INTERCHANGEABLE
Bearing,sleeve
U S Army Tank Automotive Command Amsta-Im-Mm
5940-01-169-388929712 INTERCHANGEABLE
Terminal,lug
Te Connectivity Corporation
3110-01-180-684123404 INTERCHANGEABLE
Plate,retaining,bearing
Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp.
5340-01-188-1095N23404 INTERCHANGEABLE
Retainer,helical Compression Spr
Leslie Controls, Inc. Dba Leslie Controls Inc
5995-01-259-902652666 INTERCHANGEABLE
Cable Assembly,radio Frequency
Semflex, Inc.
4240-01-281-2138V2 INTERCHANGEABLE
Protector,hearing
Honeywell Safety Products Usa, Inc.
5130-01-631-2621 INTERCHANGEABLE
Grinder,portable
4820-01-664-877752666 INTERCHANGEABLE
Retainer,seat,valve
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
Cross-Reference Index
Part NumberManufacturer
6520NCM116186 Defense Medical Standardization Board (USA)
52666 PRIMARY Bego Usa Inc (USA)
23404 Defense Logistics Agency Directorate of Medical Materiel Defense Supply Center Philadelphia (USA)
6230002 Henry Schein, Inc. (USA)
4029-114 Benco Dental Supply Co. (USA)
Related Parts
4320-00-298-4000INTERCHANGEABLE
SEAL ASSEMBLY,SHAFT,SPRING LOADE
43-187-034
5310-00-358-3797INTERCHANGEABLE
WASHER,FLAT
020064
3120-00-661-5509INTERCHANGEABLE
BEARING,SLEEVE
8720450
5940-01-169-3889INTERCHANGEABLE
TERMINAL,LUG
29712
3110-01-180-6841INTERCHANGEABLE
PLATE,RETAINING,BEARING
23404
5340-01-188-1095INTERCHANGEABLE
RETAINER,HELICAL COMPRESSION SPR
N23404
5995-01-259-9026INTERCHANGEABLE
CABLE ASSEMBLY,RADIO FREQUENCY
52666
4240-01-281-2138INTERCHANGEABLE
PROTECTOR,HEARING
V2
5130-01-631-2621INTERCHANGEABLE
GRINDER,PORTABLE
4820-01-664-8777INTERCHANGEABLE
RETAINER,SEAT,VALVE
52666

Frequently Asked Questions

What is NSN 6520-01-594-1963?

NSN 6520-01-594-1963 is a Ringless System,dental Casting, manufactured by Bego Usa Inc, classified under FSC 6520 (No Item Name Available). Status: active.

What are the part numbers for NSN 6520-01-594-1963?

NSN 6520-01-594-1963 has 5 cross-referenced part numbers: 6520NCM116186 (Defense Medical Standardization Board), 52666 (Bego Usa Inc), 23404 (Defense Logistics Agency Directorate of Medical Materiel Defense Supply Center Philadelphia), 6230002 (Henry Schein, Inc.), 4029-114 (Benco Dental Supply Co.).

What NSN replaces 6520-01-594-1963?

There are 10 known substitutes for 6520-01-594-1963: 4320-00-298-4000, 5310-00-358-3797, 3120-00-661-5509 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 52666?

Key specifications for 52666: Special Features: CASTING RING AND BASE; SIZE: 3, DIAMETER 55 MM / 2 IN ; 180 G INVESTMENT. G; Part Name Assigned by Controlling Agency: RINGLESS SYSTEM RAPID SIZE 3.. 2 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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