Product Details | VALVE SEAT

4820-01-550-3803 A replaceable item designed to provide a stationary seating surface for a mating, moveable item such as a valve disk or the like. The body may have a flange of various shapes. For diesel and gasoline reciprocating engines, see INSERT, ENGINE VALVE SEAT.20248100015Valves, Powered48200018Valves, Nonpowered

Part Alternates: H547000126438208610, H547-0001-264382086-10, H547000126438208610CP, H547-0001-264382086-10CP, G547000226438208610, G547-0002-264382086-10, G547000226438208610CP, G547-0002-264382086-10CP, 2640-801X1 ITEM 20, 2640-801X1 ITEM 20CP, 2640801X1ITEM20, 2640801X1ITEM20CP, 2643-820-86 ITEM 10, 2643-820-86 ITEM 10CP, 264382086ITEM10, 264382086ITEM10CP, 738385826438208610, 7383858-264382086-10, 738385826438208610CP, 7383858-264382086-10CP, 755047826438208610, 7550478-264382086-10, 755047826438208610CP, 7550478-264382086-10CP, 845-7284928 ITEM 10, 845-7284928 ITEM 10CP, 8457284928ITEM10, 8457284928ITEM10CP, 4820-01-550-3803, 01-550-3803, 4820015503803, 015503803

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 18 APR 2007 01-550-3803

Demand History | NSN 4820-01-550-3803

Part Number Request Date QTY Origin
4820-01-550-3803 2018-05-151 64 DIBBS
4820-01-550-3803 2017-09-270 16 DIBBS
4820-01-550-3803 2013-02-33 50 DIBBS
4820-01-550-3803 2012-10-293 6 DIBBS
4820-01-550-3803 2012-09-270 3 DIBBS
4820-01-550-3803 2012-09-264 3 DIBBS
4820-01-550-3803 2012-02-40 3 DIBBS
4820-01-550-3803 2010-12-349 3 DIBBS
4820-01-550-3803 2010-08-224 3 DIBBS
4820-01-550-3803 2008-11-323 3 DIBBS

Cross Reference | NSN 4820-01-550-3803

Part Number Cage Code Manufacturer
2640-801X1 ITEM 20 96169 ELECTRIC BOAT CORPORATION
2640-801X1 ITEM 20CP 03950 NAVAL INVENTORY CONTROL POINT MECHANICSBURG
2643-820-86 ITEM 10 96169 ELECTRIC BOAT CORPORATION
2643-820-86 ITEM 10CP 03950 NAVAL INVENTORY CONTROL POINT MECHANICSBURG
7383858-264382086-10 96169 ELECTRIC BOAT CORPORATION
7383858-264382086-10CP 03950 NAVAL INVENTORY CONTROL POINT MECHANICSBURG
7550478-264382086-10 96169 ELECTRIC BOAT CORPORATION
7550478-264382086-10CP 03950 NAVAL INVENTORY CONTROL POINT MECHANICSBURG
845-7284928 ITEM 10 53711 NAVAL SEA SYSTEMS COMMAND
845-7284928 ITEM 10CP 03950 NAVAL INVENTORY CONTROL POINT MECHANICSBURG
G547-0002-264382086-10 96169 ELECTRIC BOAT CORPORATION
G547-0002-264382086-10CP 03950 NAVAL INVENTORY CONTROL POINT MECHANICSBURG
H547-0001-264382086-10 96169 ELECTRIC BOAT CORPORATION
H547-0001-264382086-10CP 03950 NAVAL INVENTORY CONTROL POINT MECHANICSBURG

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Technical Data | NSN 4820-01-550-3803

Characteristic Specifications
BODY OUTSIDE DIAMETER 2.938 INCHES NOMINAL
BODY INSIDE DIAMETER 1.938 INCHES NOMINAL
MATERIAL PLASTIC SEAT
SPECIAL FEATURES SEAT BALL MADE OF DELRIN AF MATERIAL; USED ON 2.00 INCH SIZE STRAIGHT BALL VALVE
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS CLEANING AND PACKAGING PER MIL-STD-1330D
CRITICALITY CODE JUSTIFICATION ZZZY
III END ITEM IDENTIFICATION NEW CONSTRUCTION SSN774, SSGN726
MANUFACTURERS CODE 96169
DESIGN CONTROL REFERENCE 2640-801X1 ITEM 20

Restrictions/Controls & Freight Information | NSN 4820-01-550-3803

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
Electro-static Discharge Susceptible:ANo known Electrostatic Discharge (ESD) or Electromagnetic Interference (EMI) sensitivity
Precious Metals Indicator Code:AItem does not contain precious metal
Criticality Code:SThe item is a non-aviation Critical Safety Item (CSI) whose failure will result in serious damage to equipment or serious injury or death to personnel.
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 594 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 4820-01-550-3803

Category Code Description
Cognizance Codes9BNavy-owned stocks of DLA material
Naval Inventory Control Point, Mechanicsburg
Special Material IDCPAn item that requires special cleaning and packaging for oxygen/nitrogen service (e.g, valves, piping systems, generators).
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