NSN 6640-00-252-5202, 6640002525202
PAPER,FILTER

Federal Supply Classification: FSC 6640 - Laboratory Equipment and Supplies
National Item Identification Number: NIIN 002525202
Codification Country: United States
Item Name Code: INC 18740
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 6640-00-252-5202

National Stock Number (NSN) 6640-00-252-5202, or NIIN 002525202, (paper,filter) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.

There are 5 manufacturer part numbers associated with this NSN. 3 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 7 suppliers. Today, 5 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 3 suppliers are deemed design controlled or valid supply parts.

This part number has not been procured by the US Government in over a year. There have been 2 contracts issued for this part number, with 2 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 2 different suppliers. The last contract numbers awarded were: SPE2DH23V0935, SPE2DH18P1122. The total value of the awarded contracts has been US$ 110.78.

This NSN is unique to one weapons system.

There has been very little demand for this national stock number. The demand for this NSN originated from less than 5 countries. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Dec 02, 2006, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) This part is a commercial/non-developmental/off-the-shelf-item. Valid AMCs: 1, 2, 3, 4 and 5.

This NSN is assigned to Item Name Code (INC) 18740. 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 6640002525202 does not contain precious metals.

This information was last updated on Jul 01, 2025.

Technical Characteristics

ACID WASH FEATURE: (ATNL) DOUBLE
DEPARTURE FROM CITED DESIGNATOR: (ZZZX) AS MODIFIED BY MAXIMUM ASH CONTENT IN MILLIGRAMS
DIAMETER: (ABMZ) 12.5 CENTIMETERS NOMINAL
FOLDED CHARACTERISTIC: (ATNE) NOT FOLDED
HARDENING FEATURE: (ATNN) NOT INCLUDED
PAPER TYPE: (ASDW) QUANTITATIVE
MAXIMUM ASH CONTENT IN MILLIGRAMS: (ATNM) 0.116
NONDEFINITIVE SPEC/STD DATA: (ZZZT) 2 TYPE AND 7 CLASS
PRECIPITATE FOR WHICH DESIGNED: (ATNP) MEDIUM
PRIMARY CONTAINER TYPE: (CQCT) PACKAGE
PRIMARY CONTAINER UNIT QUANTITY: (CQTF) 100
SPECIAL FEATURES: (FEAT) WHATMAN NO. 40 TYPE; DISK SHAPED