Product Details | AIR SUPPLY DIFFUSER

4220-01-550-8798 A corrosion resistant metallic/nonmetallic item fabricated from a single internally cored casting. It is specifically designed to reduce breathing gas velocity while increasing static pressure to effectively defog the viewpoint of a HELMET, DEEP-SEA DIVER'S and HELMET, DEEP-SEA DIVER'S HELIUM-OXYGEN

Part Alternates: G76562210F2, G7656221-0F2, 592-7385379 PN F2 SHT 7-191, 5927385379PNF2SHT7191, 2621-126-01 ASSY 139, 262112601ASSY139, 4220-01-550-8798, 01-550-8798, 4220015508798, 015508798

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

Supply Group (FSG) NSN Assign. NIIN
42 02 MAY 2007 01-550-8798

Cross Reference | NSN 4220-01-550-8798

Part Number Cage Code Manufacturer
2621-126-01 ASSY 139 96169 ELECTRIC BOAT CORPORATION
592-7385379 PN F2 SHT 7-191 53711 NAVAL SEA SYSTEMS COMMAND
G7656221-0F2 96169 ELECTRIC BOAT CORPORATION

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Restrictions/Controls & Freight Information | NSN 4220-01-550-8798

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.
Category Code Description
NMF Description 052190 PIPE,TUBING,OR PIPE OR TUBING FITTI
Less than car load rating
Less than truck load rating W Rating Variable
Water commodity Code 780 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 4220-01-550-8798

Category Code Description
Cognizance Codes9BNavy-owned stocks of DLA material
Naval Inventory Control Point, Mechanicsburg
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDNDepartment of the Navy
Service OrganizationNU.S. Navy
Acquisition Advice CodesJNOT STOCKED, CENTRALLY PROCURED # (NON-STOCKED ITEMS) IMM/Service centrally managed but not stocked item. Procurement will be initiated only after receipt of a requisition.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative