NSN 6640-01-718-7221, 6640017187221
COVER GLASS,MICROSCOPE SLIDE

Federal Supply Classification: FSC 6640 - Laboratory Equipment and Supplies
National Item Identification Number: NIIN 017187221
Codification Country: United States
Item Name Code: INC 18908
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: We have 1 qualified suppliers

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DLMS^® Summary

National Stock Number 6640-01-718-7221

National Stock Number (NSN) 6640-01-718-7221, or NIIN 017187221, (cover glass,microscope slide) was assigned March 18, 2024 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. 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 one supplier. Today, one supplier is listed as an Active supplier for this NSN. Of the active suppliers, only one supplier is deemed design controlled or valid supply parts. ISO Group has several sources of supply for this NSN.

This part number is actively being procured by the US Government, with procurement history within the last 90 days. There have been 21 contracts issued for this part number, with 21 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 4 different suppliers. The last contract numbers awarded were: SPE2DH25V3433, SPE2DH25V3433, SPE2DH25V3433, SPE2DH25V3433, SPE2DH25V3201. The total value of the awarded contracts has been US$ 5,995.63.

There has been a small amount of 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) 18908. [A PIECE OF VERY THIN GLASS USED TO COVER MICROSCOPIC PREPARATIONS MOUNTED ON A SLIDE,MICROSCOPE.]. 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 6640017187221 does not contain precious metals.

This NSN is associated to Schedule B 7017905000: laboratory, hygienic or pharmaceutical glassware, nesoi. The Schedule B End Use is listed as laboratory testing instruments. NAICS classification category 327212: other pressed and blown glass and glassware manufacturing.

This information was last updated on Jul 01, 2025.

Technical Characteristics

OVERALL LENGTH: (ABHP) 22.0 MILLIMETERS NOMINAL
OVERALL THICKNESS: (ADUM) 0.13 MILLIMETERS MINIMUM AND 0.17 MILLIMETERS MAXIMUM
OVERALL WIDTH: (ABMK) 22.0 MILLIMETERS NOMINAL
PART NAME ASSIGNED BY CONTROLLING AGENCY: (CXCY) MICROSCOPE SLIDE COVER GLASS 22MM X 22MM 10 - 1OZ CONTAINER PER PACKAGE
SPECIAL FEATURES: (FEAT) MICROSCOPE SLIDE COVER GLASS COMPRISES HIGH-QUALITY CLEAR, NON-FOGGING, NON-CORROSIVE BOROSILICATE GLASS. HAVE PARALLEL SURFACES, AND UNIFORM HOMOGENEITY AND ALLOWS FOR CONSTANT WETTING. SELECT MICROSCOPE SLIDE COVER GLASS IS OPTICALLY CLEAR, COLORLESS, AND EXHIBITS LOW AUTO-FLUORESCENCE. EACH COVER GLASS IS CLEANED, WASHED, AND READY TO USE FOR ALL LEVELS OF MICROSCOPY. COVER DIM 22MM X 22MM, NO. 1 (0.13MM - 0.17MM) THICKNESS. SOLD BY WEIGHT IN 1OZ CONTAINER. 10 - 1OZ CONTAINER PER PACKAGE.