PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

821-4021File Set,pulp Canal,dental

Sybronendo · NSN 6520-01-220-5033 · FSC 6520 · No Item Name Available
Verified by PartsTable
NSN 6520-01-220-5033 — this item is cataloged by the U.S. Government under National Stock Number 6520-01-220-5033. Primary manufacturer part number: 821-4021.
Features
  • File Set,pulp Canal,dental — FSC 6520
  • Component Quantity: 6
  • 5 verified cross-references
  • Primary manufacturer: Sybronendo
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The File Set,pulp Canal,dental, cataloged under National Stock Number 6520-01-220-5033, 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 Sybronendo. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: SE.

Technical Specifications
ParameterValue
NSN6520-01-220-5033
Primary Part Number821-4021
Item NameFile Set,pulp Canal,dental
FSC / FSG6520 / 65 — No Item Name Available
ManufacturerSybronendo
StatusACTIVE
Component Quantity6
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Unit of IssueSE
Verified Substitutes 11
5961-00-201-5167504-8631-003 INTERCHANGEABLE
Holder,semiconductor Device
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
4730-00-277-9982A733S-86CFB INTERCHANGEABLE
Nipple,pipe
American Society for Testing and Materials Dba Astm International
6685-00-423-3246 INTERCHANGEABLE
Gage,pressure,dial Indicating
5365-00-495-958515367 INTERCHANGEABLE
Spacer,sleeve
Dana Commercial Vehicle Manufacturing, Llc Dba Dana Commercial Vehicle Products
5950-00-647-3625292-4197G1 INTERCHANGEABLE
Transformer,power
Raytheon Company Div Corp
5320-00-817-5508NAS1536-07 INTERCHANGEABLE
Pin-Rivet
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
4810-00-922-5273 INTERCHANGEABLE
Parts Kit,solenoid Valve
5315-01-165-225815367 INTERCHANGEABLE
Pin
Tyco Fire Products Lp
5330-01-441-1775 INTERCHANGEABLE
Parts Kit,seal Replacement,mecha
5340-01-646-568815367 INTERCHANGEABLE
Mount,tilt
Teledyne Flir Unmanned Ground Systems, Inc
Cross-Reference Index
Part NumberManufacturer
15367 Kerr Corporation (USA)
123-8891 Schein Henry Inc (USA)
123-8891 Henry Schein, Inc. (USA)
821-4021 PRIMARY Sybronendo (USA)
339-8214021 Dental Health Products Incorporated (USA)
Related Parts
5961-00-201-5167INTERCHANGEABLE
HOLDER,SEMICONDUCTOR DEVICE
504-8631-003
4730-00-277-9982INTERCHANGEABLE
NIPPLE,PIPE
A733S-86CFB
6685-00-423-3246INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
5365-00-495-9585INTERCHANGEABLE
SPACER,SLEEVE
15367
5950-00-647-3625INTERCHANGEABLE
TRANSFORMER,POWER
292-4197G1
5320-00-817-5508INTERCHANGEABLE
PIN-RIVET
NAS1536-07
4810-00-922-5273INTERCHANGEABLE
PARTS KIT,SOLENOID VALVE
5315-01-165-2258INTERCHANGEABLE
PIN
15367
5330-01-441-1775INTERCHANGEABLE
PARTS KIT,SEAL REPLACEMENT,MECHA
5340-01-646-5688INTERCHANGEABLE
MOUNT,TILT
15367
7025-01-697-8046INTERCHANGEABLE
PORTAL SOLUTION
15367

Frequently Asked Questions

What is NSN 6520-01-220-5033?

NSN 6520-01-220-5033 is a File Set,pulp Canal,dental, manufactured by Sybronendo, classified under FSC 6520 (No Item Name Available). Status: active.

What are the part numbers for NSN 6520-01-220-5033?

NSN 6520-01-220-5033 has 5 cross-referenced part numbers: 15367 (Kerr Corporation), 123-8891 (Schein Henry Inc), 123-8891 (Henry Schein, Inc.), 821-4021 (Sybronendo), 339-8214021 (Dental Health Products Incorporated).

What NSN replaces 6520-01-220-5033?

There are 11 known substitutes for 6520-01-220-5033: 5961-00-201-5167, 4730-00-277-9982, 6685-00-423-3246 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 821-4021?

Key specifications for 821-4021: Special Features: STAINLESS STEEL HAND FILES, RHOMBOID OR DIAMOND CROSS-SECTION DESIGN; FILES FLEX TYPE, 21 MM OPERATIVE LENGTH; COLOR-CODED; SET C/O ONE EACH FILE SIZES: 15,20,25,30,35,40. MM; Part Name Assigned by Controlling Agency: K-FLEX FILES 21MM 15-40 ASSORTED MM; Component Quantity: 6. 3 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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