Product Details | DEEP-SEA DIVER'S HELMET

4220-01-331-1724 A spherical metal inclosure for a diver's head, designed for use with a diver's dress. Usually furnished with a breastplate of like material. Excludes HELMET, DEEP-SEA DIVER'S, HELIUM-OXYGEN. See also HELMET, SHALLOW WATER DIVER'S.

Part Alternates: 500117, 500-117, 5926318360, 592-6318360, 4220-01-331-1724, 01-331-1724, 4220013311724, 013311724

Fire Fighting, Rescue, and Safety Equipment; and Environmental Protection Equipment and Materials | Marine Lifesaving and Diving Equipment

Supply Group (FSG) NSN Assign. NIIN
42 14 DEC 1990 01-331-1724

Cross Reference | NSN 4220-01-331-1724

Part Number Cage Code Manufacturer
500-117 58366 KIRBY MORGAN DIVE SYSTEMS INC
592-6318360 53711 NAVAL SEA SYSTEMS COMMAND

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Technical Data | NSN 4220-01-331-1724

Characteristic Specifications
III END ITEM IDENTIFICATION MK21 MOD1 DIVING HELMET
MANUFACTURERS CODE 58366
DESIGN CONTROL REFERENCE 500-117

Restrictions/Controls & Freight Information | NSN 4220-01-331-1724

Category Code Description
Shelf-Life Code:0Nondeteriorative
Hazardous Material Indicator CodeNThere is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Demilitarization Code:ANon-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Controlled Inventory Item Code:UUNCLASSIFIED
Precious Metals Indicator Code:AItem does not contain precious metal
Criticality Code:X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Automatic Data Processing Equipment:0Represents items with no ADP components. NOTE: Codes 1 through 6 are only to be used when the item is Automatic Data Processing Equipment (ADPE) in its entirety and is limited to the type meeting only one of the definitions for codes 1 through 6. (See code 9)
Category Code Description
No Freight Information

Management | NSN 4220-01-331-1724

Category Code Description
Cognizance Codes3BNavy-owned stocks of field level repairable DLA material
Naval Inventory Control Point, Mechanicsburg
Special Material IDVSDiving equipment
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDNDepartment of the Navy
Service OrganizationNU.S. Navy
ReparabilityDField Level Reparables
Acquisition Advice CodesYTERMINAL ITEM #(NON-STOCKED ITEMS) Future procurement is not authorized. No wholesale stock is available for issue. 1. Requisitions will not be processed to the wholesale manager. 2. Internal Service/agency requisitioning may be continued in accordance with the Service/agency requisitioning policies.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each