PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

7HPMandrel,dental Handpiece

E C Moore Company · NSN 6520-00-971-8221 · FSC 6520 · No Item Name Available
Verified by PartsTable
NSN 6520-00-971-8221 — this item is cataloged by the U.S. Government under National Stock Number 6520-00-971-8221. Primary manufacturer part number: 7HP.
Features
  • Mandrel,dental Handpiece — FSC 6520
  • Material: STEEL
  • Departure From Cited Document: PARAGRAPH 3.2.2 MANDRELS
  • Nondefinitive Spec/std Data: II TYPE AND 2 CLASS
  • Shank Diameter: 0.0919 INCHES MINIMUM AND 0.0929 INCHES MAXIMUM IN
  • Width Across Flats: 0.118 INCHES MINIMUM AND 0.123 INCHES MAXIMUM IN
  • Handpiece Type for Which Designed: STRAIGHT
  • Design Type: SPRING
Applications
  • Applications requiring Steel construction
General Description

The Mandrel,dental Handpiece, cataloged under National Stock Number 6520-00-971-8221, 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 E C Moore Company. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: BX.

Technical Specifications
ParameterValue
NSN6520-00-971-8221
Primary Part Number7HP
Item NameMandrel,dental Handpiece
FSC / FSG6520 / 65 — No Item Name Available
ManufacturerE C Moore Company
StatusACTIVE
MaterialSTEEL
Departure From Cited DocumentPARAGRAPH 3.2.2 MANDRELS
Nondefinitive Spec/std DataII TYPE AND 2 CLASS
Shank Diameter0.0919 INCHES MINIMUM AND 0.0929 INCHES MAXIMUM IN
Width Across Flats0.118 INCHES MINIMUM AND 0.123 INCHES MAXIMUM IN
Handpiece Type for Which DesignedSTRAIGHT
Design TypeSPRING
Head Diameter0.240 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
Slot Width0.015 INCHES MINIMUM AND 0.025 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Unit of IssueBX
Verified Substitutes 1
4820-01-468-91957HP INTERCHANGEABLE
Cylinder,gas,calibration
Air Liquide America Corporation
Cross-Reference Index
Part NumberManufacturer
7HP PRIMARY E C Moore Company (USA)
Related Parts
4820-01-468-9195INTERCHANGEABLE
CYLINDER,GAS,CALIBRATION
7HP

Frequently Asked Questions

What is NSN 6520-00-971-8221?

NSN 6520-00-971-8221 is a Mandrel,dental Handpiece, manufactured by E C Moore Company, classified under FSC 6520 (No Item Name Available). Status: active.

What are the part numbers for NSN 6520-00-971-8221?

NSN 6520-00-971-8221 has 1 cross-referenced part number: 7HP (E C Moore Company).

What NSN replaces 6520-00-971-8221?

There is 1 known substitute for 6520-00-971-8221: 4820-01-468-9195. Verify interchangeability with system specifications before substitution.

What are the specifications of 7HP?

Key specifications for 7HP: Material: STEEL; Departure From Cited Document: PARAGRAPH 3.2.2 MANDRELS; Nondefinitive Spec/std Data: II TYPE AND 2 CLASS; Overall Length: 1.750 INCHES MINIMUM AND 1.810 INCHES MAXIMUM IN. 12 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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