NSN 4220-01-684-9197, 4220016849197
PARTS KIT,DIVING HELMET

Federal Supply Classification: FSC 4220 - Marine Lifesaving and Diving Equipment
National Item Identification Number: NIIN 016849197
Codification Country: United States
Item Name Code: INC 37936
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: Currently qualifying suppliers

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

Let Us Know

CALL ABOUT NSN 4220-01-684-9197

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

+1-321-773-5710

REQUEST QUOTE for 4220-01-684-9197

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

Upload a List

DLMS^® Summary

National Stock Number 4220-01-684-9197

National Stock Number (NSN) 4220-01-684-9197, or NIIN 016849197, (parts kit,diving helmet) was assigned November 20, 2019 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.

There is only one manufacturer part number associated with this NSN. None of the associated 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, 2 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: SPE8E524V1431, SPE8E523V0423. The total value of the awarded contracts has been US$ 5,205.60.

There has been very little 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$ 1,186. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on May 14, 2020, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) The Government has unlimited rights to the technical data, and the data package is complete. Valid AMCs: 1 and 2.

This NSN is assigned to Item Name Code (INC) 37936. 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 4220016849197 does not contain precious metals.

This information was last updated on Jul 01, 2025.

Technical Characteristics

DOCUMENT SOURCE: (AJJY) 58366
DOCUMENT TYPE: (AJJZ) PARTS LIST
ACCESSORY IDENTIFYING NUMBER: (AKVZ) 525-767 PART NO.
COMPONENT DOCUMENT ORIGIN: (AJJX) INDUSTRIAL
COMPONENT QUANTITY: (AJJW) 20
END ITEM IDENTIFICATION: (AGAV) SET, DEEP SEA
PART NAME ASSIGNED BY CONTROLLING AGENCY: (CXCY) 455 BALANCED REGULATOR REBUILD KIT
SUPPLY ITEMS AND QUANTITIES: (AJKC) ORINGS 12, VALVE SET 1, LEVER BEARING CLIP 1, SPRING 1, LEVER ARM 1, EXHAUST VALVE 1, DIAPHRAGM ASSY 1, LOCK CLIP 1, SHAFT BEARING WASHER 1