Product Details | HELMET WHISKER

4220-01-331-1973

Part Alternates: 510555, 510-555, 5926318285, 592-6318285, 4220-01-331-1973, 01-331-1973, 4220013311973, 013311973

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 01-331-1973

Demand History | NSN 4220-01-331-1973

Part Number Request Date QTY Origin
4220-01-331-1973 2012-07-208 11 DIBBS
4220-01-331-1973 2012-07-207 70 DIBBS
4220-01-331-1973 2012-05-150 11 DIBBS
4220-01-331-1973 2011-09-264 26 DIBBS
4220-01-331-1973 2011-07-211 13 DIBBS

Cross Reference | NSN 4220-01-331-1973

Part Number Cage Code Manufacturer
510-555 58366 KIRBY MORGAN DIVE SYSTEMS INC
592-6318285 53711 NAVAL SEA SYSTEMS COMMAND

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Technical Data | NSN 4220-01-331-1973

Characteristic Specifications
III END ITEM IDENTIFICATION MK21 MOD1 DIVING HELMET
MANUFACTURERS CODE 58366
DESIGN CONTROL REFERENCE 510-555

Restrictions/Controls & Freight Information | NSN 4220-01-331-1973

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 156600 PLASTIC/RUBBER ARTICLE VIZ:
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 4220-01-331-1973

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 CodesZINSURANCE/NUMERIC STOCKAGE OBJECTIVE ITEM # Items which may be required occasionally or intermittently, and prudence requires that a nominal quantity of materiel be stocked due to the essentiality or the lead time of the item. 1. The item is centrally managed, stocked, and issued. 2. Requisitions will be submitted in accordance with IMM/Service requisitioning procedures.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each