NSN 6520-01-654-6621, 6520016546621
DIAPHRAGM,DENTAL DELIVERY SYSTEM

Federal Supply Classification: FSC 6520 - Dental Instruments, Equipment, and Supplies
National Item Identification Number: NIIN 016546621
Codification Country: United States
Item Name Code: INC 77777
Criticality: (X) This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Hazardous Material Indicator Code: (P) There is no information in the HMIRS; however, the NSN is in an FSC in Table II of Federal Standard 313 and an MSDS may be required by the user. The requirement for an MSDS is dependent on a hazard determination of the supplier or the intended end use of the product.

Availability: Readily Available Qualified Suppliers: Currently qualifying suppliers

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DLMS^® Summary

National Stock Number 6520-01-654-6621

National Stock Number (NSN) 6520-01-654-6621, or NIIN 016546621, (diaphragm,dental delivery system) was assigned May 5, 2016 in the Federal Logistics Information System (FLIS). This NSN does not replace any other NSNs.

There are 3 manufacturer part numbers associated with this NSN. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 2 suppliers. Today, 2 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 2 suppliers are deemed design controlled or valid supply parts.

This part number has not been procured by the US Government in over 5 years, with the most recent procurement date of Apr 01, 2019. There have been 2 contracts issued for this part number, with 2 awards given. The US Government has only awarded those contracts to one supplier. The last contract numbers awarded were: SPE2DH19V2032, SPE2DH19V1863. The total value of the awarded contracts has been US$ 47.98.

There has been very little demand for this national stock number. The demand for this NSN originated from less than 5 countries.

This NSN is assigned to Item Name Code (INC) 77777. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. There is no information in the HMIRS; however, the NSN is in an FSC in Table II of Federal Standard 313 and an MSDS may be required by the user. The requirement for an MSDS is dependent on a hazard determination of the supplier or the intended end use of the product. NSN 6520016546621 does not contain precious metals.

This information was last updated on Aug 01, 2025.

Technical Characteristics

III END ITEM IDENTIFICATION: (AGAV) 6520-01-616-1988; DENTAL DELIVERY SYSTEM
III PART NAME ASSIGNED BY CONTROLLING AGENCY: (CXCY) DIAPHRAGM, CONTROL BLOCK, 4 POSITION
END ITEM IDENTIFICATION: (AGAV) 6520-01-616-1988; DENTAL DELIVERY SYSTEM
PART NAME ASSIGNED BY CONTROLLING AGENCY: (CXCY) DIAPHRAGM, CONTROL BLOCK, 4 POSITION
SPECIAL FEATURES: (FEAT) DIAPHRAGM, CONTROL BLOCK, 4 POSITION; A-DEC 300 AND 500 SERIES CONTROL BLOCK, FOUR POSITION DIAPHRAGM ; BLACK NITRILE POLYMER CONSTRUCTION; DIMENSIONS: 4.64 INCHES LONG X 2.00 INCHES WIDE X 0.13 INCHES HIGH; WEIGHT: 0.03 LBS; UNIT OF ISSUE CONTAINS 5 DIAPHRAGMS; END ITEM IDENTIFICATION: A-DEC 300, 500 SERIES DENTAL DELIVERY SYSTEM FOUR POSITION CONTROL BLOCKS; PRODUCT DEVICE CODE, 11165.