NSN 6850-01-665-1680, 6850016651680
LEAK PREVENTIVE COMPOUND,RADIATO

Federal Supply Classification: FSC 6850 - Miscellaneous Chemical Specialties
National Item Identification Number: NIIN 016651680
Codification Country: United States
Item Name Code: INC 07568
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: (D) There is no information in the HMIRS; however, the NSN is in an FSC in Table I of Federal Standard 313 and an MSDS should be available to the user.

Availability: Request Qualified Suppliers: Currently qualifying suppliers

Manufacture or supply this part?
Join our growing community of certified suppliers.

Let Us Know

CALL ABOUT NSN 6850-01-665-1680

Our client representatives are standing by to help fulfill your request.

+1-321-773-5710

REQUEST QUOTE for 6850-01-665-1680

Have a list that needs to be quoted? Upload it here.

Upload a List

DLMS^® Summary

National Stock Number 6850-01-665-1680

National Stock Number (NSN) 6850-01-665-1680, or NIIN 016651680, (leak preventive compound,radiato) was assigned July 21, 2017 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. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 2 suppliers. 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.

This part number has not been procured by the US Government in over a year. There have been 3 contracts issued for this part number, with 3 awards given. The US Government has only awarded those contracts to one supplier. The last contract numbers awarded were: SPE4A624V355V, SPE4A522V2711, SPE4A619PA642. The total value of the awarded contracts has been US$ 180.86.

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 07, 2018, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) Acquisition of this part is restricted to source(s) specified on "Source Control", "Altered Item" or "Selected Item" drawings/documents. Valid AMCs: 1, 2, 3, 4 and 5.

This NSN is assigned to Item Name Code (INC) 07568. [A CHEMICAL OF NONSPECIFIED COMPOSITION PRIMARILY INTENDED TO BE ADDED TO ENGINE COOLING SYSTEMS FOR THE PREVENTION AND/OR CORRECTION OF SMALL LEAKS. WHEN OF A SINGLE SPECIFIC CHEMICAL, USE SPECIFIC CHEMICAL NAME.]. 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 I of Federal Standard 313 and an MSDS should be available to the user. NSN 6850016651680 does not contain precious metals.

This information was last updated on Jul 01, 2025.

Technical Characteristics

III PART NAME ASSIGNED BY CONTROLLING AGENCY: (CXCY) RADIATOR STOP LEAK
END ITEM IDENTIFICATION: (AGAV) 2590-01-569-5620
ACTIVE INGREDIENT: (BMRR) SODIUM CARBONATE
PART NAME ASSIGNED BY CONTROLLING AGENCY: (CXCY) RADIATOR STOP LEAK
PHYSICAL FORM: (AGXW) POWDER
QUANTITY WITHIN EACH UNIT PACKAGE: (AKKF) 0.75 OUNCES
SPECIAL FEATURES: (FEAT) COLOR: LIGHT BROWN; ODORLESS; SOLUBLE IN WATER; REACTS WITH STRONG ACIDS AND OXIDIZING AGENTS; HAZARDOUS DECOMPOSITION PRODUCTS: CARBON MONOXIDE AND CARBON DIOXIDE; TREATS 16 QUARTS OR 3 GALLONS;