PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

U-64Crown,dental,temporary

3m Company Div 3m Espe Div. · NSN 6520-01-346-9221 · FSC 6520 · No Item Name Available
Verified by PartsTable
NSN 6520-01-346-9221 — this item is cataloged by the U.S. Government under National Stock Number 6520-01-346-9221. Primary manufacturer part number: U-64.
Features
  • Crown,dental,temporary — FSC 6520
  • Material: PLASTIC POLYCARBONATE
  • Unit Type: CROWN AND MOLAR
  • Tooth Overall Width: 11.1 MILLIMETERS NOMINAL MM
  • Tooth Configuration: MAXILLARY RIGHT FIRST MOLAR
  • 6 verified cross-references
  • Primary manufacturer: 3m Company Div 3m Espe Div.
Applications
  • Applications requiring Plastic Polycarbonate construction
General Description

The Crown,dental,temporary, cataloged under National Stock Number 6520-01-346-9221, 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 3m Company Div 3m Espe Div.. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 5 manufacturers, 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: PG.

Technical Specifications
ParameterValue
NSN6520-01-346-9221
Primary Part NumberU-64
Item NameCrown,dental,temporary
FSC / FSG6520 / 65 — No Item Name Available
Manufacturer3m Company Div 3m Espe Div.
StatusACTIVE
MaterialPLASTIC POLYCARBONATE
Unit TypeCROWN AND MOLAR
Tooth Overall Width11.1 MILLIMETERS NOMINAL MM
Tooth ConfigurationMAXILLARY RIGHT FIRST MOLAR
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Unit of IssuePG
Verified Substitutes 1
6105-01-265-40237190-1275 INTERCHANGEABLE
Motor,alternating Current
Fasco Industries Inc
Cross-Reference Index
Part NumberManufacturer
F91I256 Air Force Medical Logistics Office (USA)
777-5256 Henry Schein, Inc. (USA)
91-10-1-20 MSP Air Force Medical Logistics Office (USA)
777-5256 Schein Henry Inc (USA)
U-64 PRIMARY 3m Company Div 3m Espe Div. (USA)
U-64 3m Company Div Health Care Business (USA)
Related Parts
6105-01-265-4023INTERCHANGEABLE
MOTOR,ALTERNATING CURRENT
7190-1275

Frequently Asked Questions

What is NSN 6520-01-346-9221?

NSN 6520-01-346-9221 is a Crown,dental,temporary, manufactured by 3m Company Div 3m Espe Div., classified under FSC 6520 (No Item Name Available). Status: active.

What are the part numbers for NSN 6520-01-346-9221?

NSN 6520-01-346-9221 has 6 cross-referenced part numbers: F91I256 (Air Force Medical Logistics Office), 777-5256 (Henry Schein, Inc.), 91-10-1-20 MSP (Air Force Medical Logistics Office), 777-5256 (Schein Henry Inc), U-64 (3m Company Div 3m Espe Div.) and 1 more.

What NSN replaces 6520-01-346-9221?

There is 1 known substitute for 6520-01-346-9221: 6105-01-265-4023. Verify interchangeability with system specifications before substitution.

What are the specifications of U-64?

Key specifications for U-64: Material: PLASTIC POLYCARBONATE; Unit Type: CROWN AND MOLAR; Special Features: UPPER; REPLACEMENT BOX; SHADE 62; Tooth Overall Width: 11.1 MILLIMETERS NOMINAL MM. 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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