NSN 4210-00-490-7609, 4210004907609
ADAPTER,CYLINDER,RECHARGE

Federal Supply Classification: FSC 4210 - Fire Fighting Equipment
National Item Identification Number: NIIN 004907609
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: We have 2 qualified suppliers

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DLMS^® Summary

National Stock Number 4210-00-490-7609

National Stock Number (NSN) 4210-00-490-7609, or NIIN 004907609, (adapter,cylinder,recharge) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NSN does not replace any other NSNs.

There are 2 manufacturer part numbers associated with this NSN. 2 of those 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, only one supplier is deemed design controlled or valid supply parts. ISO Group has several sources of supply for this NSN.

This part number has not been procured by the US Government in over 5 years.

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 10, 2013, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. The Government physically does not have in its possession sufficient, accurate, or legible data to purchase this part from other than current source(s). (NOTE: This code is applicable only to parts under immediate buy requirements and only as long as the deficiency is under review for resolution and appropriate recoding.) Valid AMCs: 1, 2, 3, 4 and 5.

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 4210004907609 contains an unknown precious metal.

This information was last updated on Jul 01, 2025.

Technical Characteristics

GENERAL CHARACTERISTICS ITEM DESCRIPTION: (TEXT) 3STEEL; CADMIUM DICHROMATE FINISH; TWO EXTERNALLY THD BOSS CONNECTIONS,ONE SIZE 0.375-18 NPT,ONE SIZE 0.938-20 UNEF; THE LARGER THD CONNECTION HAS A PLUG WITH PRONGS TO UNSEAT THE FUSIBLE PLUG THAT PEMITS A FLOW OF LIQUID FLOW INTO THE CYLINDER
GENERAL CHARACTERISTICS ITEM DESCRIPTION: (TEXT) STEEL; CADMIUM DICHROMATE FINISH; TWO EXTERNALLY THD BOSS CONNECTIONS,ONE SIZE 0.375-18 NPT,ONE SIZE 0.938-20 UNEF; THE LARGER THD CONNECTION HAS A PLUG WITH PRONGS TO UNSEAT THE FUSIBLE PLUG THAT PEMITS A FLOW OF LIQUID FLOW INTO THE CYLINDER