PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1-664Impression Tray,dental

Defense Logistics Agency Directorate of Medical Materiel Defense Supply Center Philadelphia · NSN 6520-01-120-2656 · FSC 6520 · No Item Name Available
Verified by PartsTable
NSN 6520-01-120-2656 — this item is cataloged by the U.S. Government under National Stock Number 6520-01-120-2656. Primary manufacturer part number: 1-664.
Features
  • Impression Tray,dental — FSC 6520
  • Handle Type: INTEGRAL
  • Hydrocolloid Usage Feature: INCLUDED
  • Material: COPPER ALLOY AND NICKEL AND CHROMIUM
  • Size Designation: LARGE
  • Unit Type: DENTULOUS
  • Cooling Type: WATER
  • Rim Locking Feature: PROVIDED
Applications
  • Applications requiring Copper Alloy and Nickel and Chromium construction
General Description

The Impression Tray,dental, cataloged under National Stock Number 6520-01-120-2656, 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. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN6520-01-120-2656
Primary Part Number1-664
Item NameImpression Tray,dental
FSC / FSG6520 / 65 — No Item Name Available
ManufacturerDefense Logistics Agency Directorate of Medical Materiel Defense Supply Center Philadelphia
StatusACTIVE
Handle TypeINTEGRAL
Hydrocolloid Usage FeatureINCLUDED
MaterialCOPPER ALLOY AND NICKEL AND CHROMIUM
Size DesignationLARGE
Unit TypeDENTULOUS
Cooling TypeWATER
Rim Locking FeaturePROVIDED
Jaw for Which DesignedUPPER
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Unit of IssueEA
Verified Substitutes 11
6115-00-235-8679 INTERCHANGEABLE
Generator Set,diesel Engine
4820-00-287-40871664 INTERCHANGEABLE
Valve,safety Relief
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5965-00-338-4259G3592-2 INTERCHANGEABLE
Handset Headset Subassembly
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5985-00-407-5314 INTERCHANGEABLE
Antenna
5306-00-606-9883 INTERCHANGEABLE
Bolt,machine
5950-00-645-19261664 INTERCHANGEABLE
Transformer,audio Frequency
Magnetek Inc Lighting Products Group
4820-00-821-9001 INTERCHANGEABLE
Valve,safety Relief
4820-00-878-335648A3-8-110 INTERCHANGEABLE
Valve,safety Relief
Anderson Greenwood Lp Dba Anderson Greenwood Crosby
7110-01-030-72181664 INTERCHANGEABLE
Filing Cabinet
Tab Products Co. Llc Dba Tab Products Co Llc
2940-01-261-41011664 INTERCHANGEABLE
Filter Body,fluid
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Cross-Reference Index
Part NumberManufacturer
1-664 PRIMARY Defense Logistics Agency Directorate of Medical Materiel Defense Supply Center Philadelphia (USA)
2003 Superior Dental & Surgical Manufacturing Co Inc Div Superior Dental & Surgical Manufacturing (USA)
Related Parts
6115-00-235-8679INTERCHANGEABLE
GENERATOR SET,DIESEL ENGINE
4820-00-287-4087INTERCHANGEABLE
VALVE,SAFETY RELIEF
1664
5965-00-338-4259INTERCHANGEABLE
HANDSET HEADSET SUBASSEMBLY
G3592-2
5985-00-407-5314INTERCHANGEABLE
ANTENNA
5306-00-606-9883INTERCHANGEABLE
BOLT,MACHINE
5950-00-645-1926INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
1664
4820-00-821-9001INTERCHANGEABLE
VALVE,SAFETY RELIEF
4820-00-878-3356INTERCHANGEABLE
VALVE,SAFETY RELIEF
48A3-8-110
7110-01-030-7218INTERCHANGEABLE
FILING CABINET
1664
2940-01-261-4101INTERCHANGEABLE
FILTER BODY,FLUID
1664
6545-01-512-7273INTERCHANGEABLE
CASE,MEDICAL INSTRUMENT AND SUPP
1664

Frequently Asked Questions

What is NSN 6520-01-120-2656?

NSN 6520-01-120-2656 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 6520-01-120-2656?

NSN 6520-01-120-2656 has 2 cross-referenced part numbers: 1-664 (Defense Logistics Agency Directorate of Medical Materiel Defense Supply Center Philadelphia), 2003 (Superior Dental & Surgical Manufacturing Co Inc Div Superior Dental & Surgical Manufacturing).

What NSN replaces 6520-01-120-2656?

There are 11 known substitutes for 6520-01-120-2656: 6115-00-235-8679, 4820-00-287-4087, 5965-00-338-4259 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1-664?

Key specifications for 1-664: Handle Type: INTEGRAL; Hydrocolloid Usage Feature: INCLUDED; Material: COPPER ALLOY AND NICKEL AND CHROMIUM; Size Designation: LARGE. 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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