PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

U-48Crown,dental,temporary

3m Company Div 3m Espe Div. · NSN 6520-01-256-5021 · FSC 6520 · No Item Name Available
Verified by PartsTable
NSN 6520-01-256-5021 — this item is cataloged by the U.S. Government under National Stock Number 6520-01-256-5021. Primary manufacturer part number: U-48.
Features
  • Crown,dental,temporary — FSC 6520
  • Criticality Code Justification: FEAT
  • Material: TIN ALLOY
  • Tooth Configuration: BICUSPID
  • 4 verified cross-references
  • Primary manufacturer: 3m Company Div 3m Espe Div.
Applications
  • Applications requiring Tin Alloy construction
General Description

The Crown,dental,temporary, cataloged under National Stock Number 6520-01-256-5021, 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 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: PG.

Technical Specifications
ParameterValue
NSN6520-01-256-5021
Primary Part NumberU-48
Item NameCrown,dental,temporary
FSC / FSG6520 / 65 — No Item Name Available
Manufacturer3m Company Div 3m Espe Div.
StatusACTIVE
Criticality Code JustificationFEAT
MaterialTIN ALLOY
Tooth ConfigurationBICUSPID
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Unit of IssuePG
Verified Substitutes 3
5330-00-237-7016U48 INTERCHANGEABLE
Gasket
W.w. Grainger, Inc. Div Government Sales Division
4730-00-814-5268A-387 INTERCHANGEABLE
Coupling,tube
Mueller Brass Co Sub of Sharon Steel Corp an Nvf Co
1680-01-166-4929 INTERCHANGEABLE
Actuator,electro-Mechanical,line
Cross-Reference Index
Part NumberManufacturer
777-3493 Schein Henry Inc (USA)
777-3493 Henry Schein, Inc. (USA)
U-48 3m Company Div Health Care Business (USA)
U-48 PRIMARY 3m Company Div 3m Espe Div. (USA)
Related Parts
5330-00-237-7016INTERCHANGEABLE
GASKET
U48
4730-00-814-5268INTERCHANGEABLE
COUPLING,TUBE
A-387
1680-01-166-4929INTERCHANGEABLE
ACTUATOR,ELECTRO-MECHANICAL,LINE

Frequently Asked Questions

What is NSN 6520-01-256-5021?

NSN 6520-01-256-5021 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 6520-01-256-5021?

NSN 6520-01-256-5021 has 4 cross-referenced part numbers: 777-3493 (Schein Henry Inc), 777-3493 (Henry Schein, Inc.), U-48 (3m Company Div Health Care Business), U-48 (3m Company Div 3m Espe Div.).

What NSN replaces 6520-01-256-5021?

There are 3 known substitutes for 6520-01-256-5021: 5330-00-237-7016, 4730-00-814-5268, 1680-01-166-4929. Verify interchangeability with system specifications before substitution.

What are the specifications of U-48?

Key specifications for U-48: Part Name Assigned by Controlling Agency: CROWN DENTAL TEMPORARY SILVER & TIN UPPER RIGHT FIRST BICUSPID5S; Criticality Code Justification: FEAT; Material: TIN ALLOY; Tooth Configuration: BICUSPID. 5 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com