PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1-658Impression Tray,dental

Defense Logistics Agency Directorate of Medical Materiel Defense Supply Center Philadelphia · NSN 6520-01-120-2650 · FSC 6520 · No Item Name Available
Verified by PartsTable
NSN 6520-01-120-2650 — this item is cataloged by the U.S. Government under National Stock Number 6520-01-120-2650. Primary manufacturer part number: 1-658.
Features
  • Impression Tray,dental — FSC 6520
  • Rim Locking Feature: PROVIDED
  • Material: COPPER ALLOY AND NICKEL AND CHROMIUM
  • Jaw for Which Designed: LOWER
  • Size Designation: SMALL
  • Cooling Type: WATER
  • Handle Type: INTEGRAL
  • Hydrocolloid Usage Feature: INCLUDED
Applications
  • Applications requiring Copper Alloy and Nickel and Chromium construction
General Description

The Impression Tray,dental, cataloged under National Stock Number 6520-01-120-2650, 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 Defense Logistics Agency Directorate of Medical Materiel Defense Supply Center Philadelphia. Government technical data includes 8 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN6520-01-120-2650
Primary Part Number1-658
Item NameImpression Tray,dental
FSC / FSG6520 / 65 — No Item Name Available
ManufacturerDefense Logistics Agency Directorate of Medical Materiel Defense Supply Center Philadelphia
StatusACTIVE
Rim Locking FeaturePROVIDED
MaterialCOPPER ALLOY AND NICKEL AND CHROMIUM
Jaw for Which DesignedLOWER
Size DesignationSMALL
Cooling TypeWATER
Handle TypeINTEGRAL
Hydrocolloid Usage FeatureINCLUDED
Unit TypeDENTULOUS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Unit of IssueEA
Verified Substitutes 12
1650-00-105-72441658 INTERCHANGEABLE
Cartridge,hydraulic
Pneudraulics, Inc.
5905-00-106-7011C600012892 INTERCHANGEABLE
Resistor Set,matched
Kearfott Corporation Div Guidance and Navigation Division
5120-00-240-60501658 INTERCHANGEABLE
Bar,pinch
Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc
3110-00-252-63971658 INTERCHANGEABLE
Bearing,creep
Eaton Aerospace, Llc Dba Jackson South
4930-00-277-1044769GE INTERCHANGEABLE
Oiler,hand
Alan Gordon Enterprises Inc.
5985-00-347-9421 INTERCHANGEABLE
Attenuator,variable
5998-00-470-26901203P41 INTERCHANGEABLE
Electronic Components Assembly
Bae Systems Information and Electronic Systems Integration Inc.
5910-00-674-4798 INTERCHANGEABLE
Capacitor,fixed,plastic Dielectr
4730-00-684-4403165-8MF INTERCHANGEABLE
Ferrule,swage,tube Coupling
Lenz Inc Dba the Lenz Company
5910-00-879-9804 INTERCHANGEABLE
Capacitor,fixed,plastic Dielectr
Cross-Reference Index
Part NumberManufacturer
1-658 PRIMARY Defense Logistics Agency Directorate of Medical Materiel Defense Supply Center Philadelphia (USA)
2004 Superior Dental & Surgical Manufacturing Co Inc Div Superior Dental & Surgical Manufacturing (USA)
Related Parts
1650-00-105-7244INTERCHANGEABLE
CARTRIDGE,HYDRAULIC
1658
5905-00-106-7011INTERCHANGEABLE
RESISTOR SET,MATCHED
C600012892
5120-00-240-6050INTERCHANGEABLE
BAR,PINCH
1658
3110-00-252-6397INTERCHANGEABLE
BEARING,CREEP
1658
4930-00-277-1044INTERCHANGEABLE
OILER,HAND
769GE
5985-00-347-9421INTERCHANGEABLE
ATTENUATOR,VARIABLE
5998-00-470-2690INTERCHANGEABLE
ELECTRONIC COMPONENTS ASSEMBLY
1203P41
5910-00-674-4798INTERCHANGEABLE
CAPACITOR,FIXED,PLASTIC DIELECTR
4730-00-684-4403INTERCHANGEABLE
FERRULE,SWAGE,TUBE COUPLING
165-8MF
5910-00-879-9804INTERCHANGEABLE
CAPACITOR,FIXED,PLASTIC DIELECTR
2920-01-011-4463INTERCHANGEABLE
LEAD,IGNITION,ENGINE
16-58
5995-01-110-3740INTERCHANGEABLE
CABLE ASSEMBLY,RADIO FREQUENCY
1658-S-60

Frequently Asked Questions

What is NSN 6520-01-120-2650?

NSN 6520-01-120-2650 is a Impression Tray,dental, manufactured by Defense Logistics Agency Directorate of Medical Materiel Defense Supply Center Philadelphia, classified under FSC 6520 (No Item Name Available). Status: active.

What are the part numbers for NSN 6520-01-120-2650?

NSN 6520-01-120-2650 has 2 cross-referenced part numbers: 1-658 (Defense Logistics Agency Directorate of Medical Materiel Defense Supply Center Philadelphia), 2004 (Superior Dental & Surgical Manufacturing Co Inc Div Superior Dental & Surgical Manufacturing).

What NSN replaces 6520-01-120-2650?

There are 12 known substitutes for 6520-01-120-2650: 1650-00-105-7244, 5905-00-106-7011, 5120-00-240-6050 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1-658?

Key specifications for 1-658: Rim Locking Feature: PROVIDED; Material: COPPER ALLOY AND NICKEL AND CHROMIUM; Jaw for Which Designed: LOWER; Size Designation: SMALL. 9 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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