PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

374-8977Stone,sharpening

Patterson Dental Supply, Inc. Dba Patterson Dental 728 Div Patterson Dental · NSN 6520-00-536-2150 · FSC 6520 · No Item Name Available
Verified by PartsTable
NSN 6520-00-536-2150 — this item is cataloged by the U.S. Government under National Stock Number 6520-00-536-2150. Primary manufacturer part number: 374-8977.
Features
  • Stone,sharpening — FSC 6520
  • Stone Style: SHARPENING
  • Nondefinitive Spec/std Data: 6 TYPE AND B CLASS AND 18 FIGURE
  • Material Natural Hardness Designation: HARD
  • Departure From Cited Designator: AS MODIFIED BY OVERALL THICKNESS
  • Overall Thickness: 0.438 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN
  • 6 verified cross-references
  • Primary manufacturer: Patterson Dental Supply, Inc. Dba Patterson Dental 728 Div Patterson Dental
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Stone,sharpening, cataloged under National Stock Number 6520-00-536-2150, 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 Patterson Dental Supply, Inc. Dba Patterson Dental 728 Div Patterson Dental. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN6520-00-536-2150
Primary Part Number374-8977
Item NameStone,sharpening
FSC / FSG6520 / 65 — No Item Name Available
ManufacturerPatterson Dental Supply, Inc. Dba Patterson Dental 728 Div Patterson Dental
StatusCANCELLED
Stone StyleSHARPENING
Nondefinitive Spec/std Data6 TYPE AND B CLASS AND 18 FIGURE
Material Natural Hardness DesignationHARD
Departure From Cited DesignatorAS MODIFIED BY OVERALL THICKNESS
Overall Thickness0.438 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Unit of IssueEA
Verified Substitutes 7
3110-00-198-0976 INTERCHANGEABLE
Bearing,ball,annular
5330-00-322-1564SS5 INTERCHANGEABLE
Packing,preformed
Lukens General Industries Inc Simplicity Engineering Div
5120-00-408-2236SS5 INTERCHANGEABLE
Wrench,open End
Dictaphone Corporation
5340-01-039-58415003-4 INTERCHANGEABLE
Handle,bow
L3harris Technologies, Inc. Div Space and Airborne Systems
4920-01-280-4954DAA7278G307-001 INTERCHANGEABLE
Fixture,aircraft Maintenance
Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems
3770-01-337-8996JJ4 INTERCHANGEABLE
Training Aid,jumpin
Ray Allen Manufacturing Llc
6665-01-339-99826000320 INTERCHANGEABLE
Detector,gas
Drs Network & Imaging Systems, Llc
Cross-Reference Index
Part NumberManufacturer
374-8977 Patterson Dental Supply, Inc. Dba Patterson Dental 728 Div Patterson Dental (USA)
SS5 Hu-Friedy Mfg. Co., Llc (USA)
HG4 Norton Co Coated Abrasive Div (USA)
2203-803 Benco Dental Supply Co. (USA)
SSS736 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
6000320 Henry Schein, Inc. (USA)
Related Parts
3110-00-198-0976INTERCHANGEABLE
BEARING,BALL,ANNULAR
5330-00-322-1564INTERCHANGEABLE
PACKING,PREFORMED
SS5
5120-00-408-2236INTERCHANGEABLE
WRENCH,OPEN END
SS5
5340-01-039-5841INTERCHANGEABLE
HANDLE,BOW
5003-4
4920-01-280-4954INTERCHANGEABLE
FIXTURE,AIRCRAFT MAINTENANCE
DAA7278G307-001
3770-01-337-8996INTERCHANGEABLE
TRAINING AID,JUMPIN
JJ4
6665-01-339-9982INTERCHANGEABLE
DETECTOR,GAS
6000320

Frequently Asked Questions

What is NSN 6520-00-536-2150?

NSN 6520-00-536-2150 is a Stone,sharpening, manufactured by Patterson Dental Supply, Inc. Dba Patterson Dental 728 Div Patterson Dental, classified under FSC 6520 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6520-00-536-2150?

NSN 6520-00-536-2150 has 6 cross-referenced part numbers: 374-8977 (Patterson Dental Supply, Inc. Dba Patterson Dental 728 Div Patterson Dental), SS5 (Hu-Friedy Mfg. Co., Llc), HG4 (Norton Co Coated Abrasive Div), 2203-803 (Benco Dental Supply Co.), SSS736 (Federal Specifications Promulgated by General Services Administration Washington DC) and 1 more.

What NSN replaces 6520-00-536-2150?

There are 7 known substitutes for 6520-00-536-2150: 3110-00-198-0976, 5330-00-322-1564, 5120-00-408-2236 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 374-8977?

Key specifications for 374-8977: Stone Style: SHARPENING; Part Name Assigned by Controlling Agency: STONE SHARPENING DEN INSTRUMENT ARKANSAS HARD 3.8-4.1X1.5"; Nondefinitive Spec/std Data: 6 TYPE AND B CLASS AND 18 FIGURE; Material Natural Hardness Designation: HARD. 8 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6520-00-536-2150 still in active supply?

NSN 6520-00-536-2150 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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