PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

7BLChuck,grinding and Polishing Mac

Handler Manufacturing Company Inc · NSN 6520-00-526-0131 · FSC 6520 · No Item Name Available
Verified by PartsTable
NSN 6520-00-526-0131 — this item is cataloged by the U.S. Government under National Stock Number 6520-00-526-0131. Primary manufacturer part number: 7BL.
Features
  • Chuck,grinding and Polishing Mac — FSC 6520
  • Nondefinitive Spec/std Data: II CLASS AND B TYPE AND 1 STYLE
  • Mounting Type for Which Designed: DIRECT
  • Unit Type: TAPER OR SCREW
  • Shaft Type for Which Designed: LEFT-HAND
  • 2 verified cross-references
  • Primary manufacturer: Handler Manufacturing Company Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Chuck,grinding and Polishing Mac, cataloged under National Stock Number 6520-00-526-0131, 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 Handler Manufacturing Company Inc. Government technical data includes 4 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. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN6520-00-526-0131
Primary Part Number7BL
Item NameChuck,grinding and Polishing Mac
FSC / FSG6520 / 65 — No Item Name Available
ManufacturerHandler Manufacturing Company Inc
StatusACTIVE
Nondefinitive Spec/std DataII CLASS AND B TYPE AND 1 STYLE
Mounting Type for Which DesignedDIRECT
Unit TypeTAPER OR SCREW
Shaft Type for Which DesignedLEFT-HAND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Unit of IssueEA
Verified Substitutes 8
6520-00-538-915026A INTERCHANGEABLE
Grinding and Polishing Machine,d
Handler Manufacturing Company Inc
6520-00-539-00759R INTERCHANGEABLE
Chuck,grinding and Polishing Mac
Handler Manufacturing Company Inc
6520-00-539-0155 INTERCHANGEABLE
Chuck,grinding and Polishing Mac
6520-00-539-0305NO. 7 RIGHT INTERCHANGEABLE
Chuck,grinding and Polishing Mac
Handler Manufacturing Company Inc
6520-00-539-0350 INTERCHANGEABLE
Chuck,grinding and Polishing Mac
6520-00-539-05506520005390550 INTERCHANGEABLE
Chuck,grinding and Polishing Mac
Suisse-O-Matic Manufacturing Corp
5360-00-539-12006520005391200 INTERCHANGEABLE
Spring,dental Grinding and Polis
Suisse-O-Matic Manufacturing Corp
5360-00-539-12256520005391225 INTERCHANGEABLE
Spring,dental Grinding and Polis
Suisse-O-Matic Manufacturing Corp
Cross-Reference Index
Part NumberManufacturer
7BL PRIMARY Handler Manufacturing Company Inc (USA)
00G00682 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
Related Parts
6520-00-538-9150INTERCHANGEABLE
GRINDING AND POLISHING MACHINE,D
26A
6520-00-539-0075INTERCHANGEABLE
CHUCK,GRINDING AND POLISHING MAC
9R
6520-00-539-0155INTERCHANGEABLE
CHUCK,GRINDING AND POLISHING MAC
6520-00-539-0305INTERCHANGEABLE
CHUCK,GRINDING AND POLISHING MAC
NO. 7 RIGHT
6520-00-539-0350INTERCHANGEABLE
CHUCK,GRINDING AND POLISHING MAC
6520-00-539-0550INTERCHANGEABLE
CHUCK,GRINDING AND POLISHING MAC
6520005390550
5360-00-539-1200INTERCHANGEABLE
SPRING,DENTAL GRINDING AND POLIS
6520005391200
5360-00-539-1225INTERCHANGEABLE
SPRING,DENTAL GRINDING AND POLIS
6520005391225

Frequently Asked Questions

What is NSN 6520-00-526-0131?

NSN 6520-00-526-0131 is a Chuck,grinding and Polishing Mac, manufactured by Handler Manufacturing Company Inc, classified under FSC 6520 (No Item Name Available). Status: active.

What are the part numbers for NSN 6520-00-526-0131?

NSN 6520-00-526-0131 has 2 cross-referenced part numbers: 7BL (Handler Manufacturing Company Inc), 00G00682 (Federal Specifications Promulgated by General Services Administration Washington DC).

What NSN replaces 6520-00-526-0131?

There are 8 known substitutes for 6520-00-526-0131: 6520-00-538-9150, 6520-00-539-0075, 6520-00-539-0155 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 7BL?

Key specifications for 7BL: Special Features: SPINDLE CHUCK; Nondefinitive Spec/std Data: II CLASS AND B TYPE AND 1 STYLE; Mounting Type for Which Designed: DIRECT; Part Name Assigned by Controlling Agency: CHUCK GRINDING & POLISHING MACHINE DENTAL LABORATORY LEFT-HAND. 6 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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