Product Details | BREATHING APPARATUS VALVE BODY

4220-01-331-1740 A metallic/nonmetallic housing of various shapes and sizes. It is specifically designed to enclose and support the internal part(s) of a VALVE, BREATHING APPARATUS, or the like.20242200038Marine Lifesaving and Diving Equipment42400027Safety and Rescue Equipment

Part Alternates: 550230, 550-230, 5926318220, 592-6318220, 4220-01-331-1740, 01-331-1740, 4220013311740, 013311740

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 01-331-1740

Cross Reference | NSN 4220-01-331-1740

Part Number Cage Code Manufacturer
550-230 58366 KIRBY MORGAN DIVE SYSTEMS INC
592-6318220 53711 NAVAL SEA SYSTEMS COMMAND

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Technical Data | NSN 4220-01-331-1740

Characteristic Specifications
III END ITEM IDENTIFICATION MK21 MOD1 DIVING HELMET
MANUFACTURERS CODE 53711
MFR SOURCE CONTROLLING REFERENCE 592-6318220

Restrictions/Controls & Freight Information | NSN 4220-01-331-1740

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
NMF Description 051080 FAUCETS,BIBCOCKS,GATES VALVES
Less than car load rating
Less than truck load rating W Rating Variable
Water commodity Code 796 unknown
Originating Activity Code HD Naval Inventory Control Point
Mechanicsburg, PA 17055-0788
Air Dimension Code A Shipment is not a consolidation and does not exceed 72 inches in any dimension.
Air Commodity V Vehicles, machinery, shop and warehouse equipment and supplies, including special tools and equipment, ground servicing and special purpose vehicles, marine equipment and supplies, repair and maintenance parts for the above.
Air Special Handling Z No special handling required.
Special Handling Code 9 unknonwn
HAZMAT
Type of Cargo Z No special type of cargo code applicable

Management | NSN 4220-01-331-1740

Category Code Description
Cognizance Codes9BNavy-owned stocks of 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
Acquisition Advice CodesHDIRECT DELIVERY UNDER A CENTRAL CONTRACT # (VENDOR STOCKED) Issue, transfer or shipment is not subject to specialized controls other than those imposed by IMM/Service/Agency supply policy. 1. The item is centrally managed and procured. 2. Normal issue is by direct shipment from the vendor to the user at the order of the ICP or IMM. However, orders may be shipped from stock by ICP or IMM distribution facilities when the vendor's minimum order quantity is not met, or when stocks are being drawn down. 3. Requisitions and fund citations will be submitted in accordance with IMM/Service/Agency Requisitioning Procedures. 4. Generally delivery will be made within applicable Service/Agency guidelines addressing customer required timeframe.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each