Product Details | DIVER'S HELMET BREECH RING

4220-01-237-3251 00001014220000000

Part Alternates: 505003, 505-003 , 505055, 505-055, 5926318245, 592-6318245, 4220-01-237-3251, 01-237-3251, 4220012373251, 012373251

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

Supply Group (FSG) NSN Assign. NIIN
42 30 JUL 1986 01-237-3251

Demand History | NSN 4220-01-237-3251

Part Number Request Date QTY Origin
4220-01-237-3251 2018-03-75 7 DIBBS

Cross Reference | NSN 4220-01-237-3251

Part Number Cage Code Manufacturer
505-003 58366 KIRBY MORGAN DIVE SYSTEMS INC
505-055 58366 KIRBY MORGAN DIVE SYSTEMS INC
592-6318245 53711 NAVAL SEA SYSTEMS COMMAND

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Technical Data | NSN 4220-01-237-3251

Characteristic Specifications
SHAPE OVAL
SPECIAL FEATURES NECK CLAMP PART OF 6318240-1 YOKE ASSEMBLY
CRITICALITY CODE JUSTIFICATION AGAV
III END ITEM IDENTIFICATION UBA MK 21 MOD 1 HELMET ASSEMBLY 6318360
MANUFACTURERS CODE 53711
MFR SOURCE CONTROLLING REFERENCE 592-6318245

Restrictions/Controls & Freight Information | NSN 4220-01-237-3251

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:YThe item does not have a nuclear hardened feature but does have other critical feature(s) 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 576 unknown
Originating Activity Code ZS Denmark
ZT
ZU
Air Dimension Code A Shipment is not a consolidation and does not exceed 72 inches in any dimension.
Air Commodity B Construction materials: Includes paint and related materials, prefabricated building, wood products, metal and composition materials and their products, commercial hardware and miscellaneous items, cement, asphalt, building maintenance materials.
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 4220-01-237-3251

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