NSN 4820-01-064-8021, 4820010648021
SPRING CARTRIDGE ASSEMBLY

Federal Supply Classification: FSC 4820 - Valves, Nonpowered
National Item Identification Number: NIIN 010648021
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: (N) There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials.

Availability: Readily Available Qualified Suppliers: We have 1 qualified suppliers

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

Let Us Know

CALL ABOUT NSN 4820-01-064-8021

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

+1-321-773-5710

REQUEST QUOTE for 4820-01-064-8021

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

Upload a List

DLMS^® Summary

National Stock Number 4820-01-064-8021

National Stock Number (NSN) 4820-01-064-8021, or NIIN 010648021, (spring cartridge assembly) was assigned August 31, 1978 in the Federal Logistics Information System (FLIS). This NSN does not replace any other NSNs.

There are 7 manufacturer part numbers associated with this NSN. 5 of those 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 has not been procured by the US Government in over 5 years, with the most recent procurement date of Jul 18, 2019. There have been 7 contracts issued for this part number, with 7 awards given. The US Government has only awarded those contracts to one supplier. The last contract numbers awarded were: SPE7M319P4737, SPE7MC17P3621, SPE7M417P1670, SPE7M016M2394, SPE7MC16M1751. The total value of the awarded contracts has been US$ 116,494.40.

This NSN is somewhat common among different platforms, belonging to 5 different weapons systems.

There has been a small amount of demand for this national stock number. The demand for this NSN originated from less than 5 countries. The 24 month forecast from the US Government for this part number has high volatility, with an estimated forecasted value of US$ 34,955. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Jul 02, 2005, 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 data needed to produce this item from additional sources is not physically available. Valid AMCs: 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 data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 4820010648021 contains an unknown precious metal.

This information was last updated on Jun 01, 2025.

Technical Characteristics

GENERAL CHARACTERISTICS ITEM DESCRIPTION: (TEXT) CONSISTS OF 8 ITEMS; P/N 63655,INNER SPRING SEAT,CRES AISI TYPE 302; P/N 63665,INNER SPRING,NICKEL CHROME ALLOY WIRE; P/N 63656,INNER SPRING COUPLING,CRES AISI TYPE 304; P/N 63657,OUTER SPRING COUPLING,CRES AISI TYPE 304; P/N @63658,@SPRING SEAT,CRES ASTM A-312; P/N 63661,WASHER,CRES AISI TYPE 304,P/N 63664,OUTER SPRING,NICKEL CHROME ALLOY WIRE; P/N 63659,OUTER SPRING SEAT,CRES AISI TYPE 302