Product Details | GATE VALVE

4820-01-550-2921 A valve having a flat or tapered disk (gate) which moves transversely to the axis of flow by rotating or sliding movements of the stem to open or close the orifice. It may also contain an oval or rectangular shaped slide which may be manually, motor, or pressure operated through the means of an arm or arm assembly. The body flange may be designed to accommodate tube type connectors. It may or may not contain thermal relief features. Includes valve (gate) specifically designed for the control of fluid systems in aircraft or missiles.20248100015Valves, Powered48200018Valves, Nonpowered

Part Alternates: 8032177917, 803-2177917, 8032177917045AF, 803-2177917-045AF, 803217791704AAF, 803-2177917-04AAF , 4820-01-550-2921, 01-550-2921, 4820015502921, 015502921

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 16 APR 2007 01-550-2921

Demand History | NSN 4820-01-550-2921

Part Number Request Date QTY Origin
4820-01-550-2921 2024-09-253 1 GR
4820-01-550-2921 2024-05-149 1 CL
8032177917 2021-11-313 2 US
4820-01-550-2921 2020-04-110 13 DIBBS
4820-01-550-2921 2020-04-106 10 DIBBS
4820-01-550-2921 2016-03-74 22 DIBBS
4820-01-550-2921 2016-03-62 9 DIBBS
4820-01-550-2921 2016-02-60 9 DIBBS
4820-01-550-2921 2016-02-42 4 DIBBS
4820-01-550-2921 2016-01-20 11 DIBBS
4820-01-550-2921 2015-10-301 13 DIBBS
4820-01-550-2921 2014-02-35 37 DIBBS
4820-01-550-2921 2014-01-08 29 DIBBS
4820-01-550-2921 2014-01-05 27 DIBBS
4820-01-550-2921 2013-02-56 46 DIBBS
4820-01-550-2921 2013-01-18 46 DIBBS
4820-01-550-2921 2012-11-333 42 DIBBS
4820-01-550-2921 2012-10-305 46 DIBBS
4820-01-550-2921 2012-08-242 34 DIBBS
4820-01-550-2921 2012-07-208 46 DIBBS

Cross Reference | NSN 4820-01-550-2921

Part Number Cage Code Manufacturer
803-2177917 80064 NAVAL SHIP SYSTEMS COMMAND
803-2177917-045AF 80064 NAVAL SHIP SYSTEMS COMMAND
803-2177917-04AAF 80064 NAVAL SHIP SYSTEMS COMMAND

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Technical Data | NSN 4820-01-550-2921

Characteristic Specifications
MATERIAL COPPER ALLOY BODY
MATERIAL DOCUMENT AND CLASSIFICATION ASTM B61 ASSN STD SINGLE MATERIAL RESPONSE BODY
VALVE SIZE 4.000 INCHES
VALVE OPERATION METHOD MANUAL
INLET RELATIONSHIP WITH OUTLET IDENTICAL
CONNECTION TYPE FLANGE, ROUND W/HOLES
FLANGE DIAMETER 7.687 INCHES
BOLT HOLE QUANTITY 6
FACE TO FACE DISTANCE 6.750 INCHES
FLANGE FACE DESIGN PLAIN
STEM TYPE RISING
BONNET TYPE OUTSIDE SCREW-YOKE
BONNET ATTACHMENT METHOD BOLTED
FURNISHED ITEMS AND QUANTITY 1 HANDWHEEL
SPECIAL FEATURES WEAR COATED, DRILLED WITHOUT SEALING COMPOUND; ASBESTOS FREE
III PART NAME ASSIGNED BY CONTROLLING AGENCY GATE VALVE, BRONZE FLANGED, 250 PSI WOG

Restrictions/Controls & Freight Information | NSN 4820-01-550-2921

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: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 736 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 E Engineer supplies, other than those listed under code B.
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 4820-01-550-2921

Category Code Description
Cognizance Codes3BNavy-owned stocks of field level repairable DLA material
Naval Inventory Control Point, Mechanicsburg
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDNDepartment of the Navy
Service OrganizationNU.S. Navy
ReparabilityDField Level Reparables
Acquisition Advice CodesDDoD INTEGRATED MATERIEL-MANAGED, STOCKED, AND ISSUED # Issue, transfer, or shipment is not subject to specialized controls other than those imposed by the Integrated Materiel Manager/Service supply policy. 1. The item is centrally managed, stocked, and issued. 2. Requisitions must contain the fund citation required to acquire the item. Requisitions will be submitted in accordance with Integrated Materiel Manager(IMM)/Service requisitioning procedures.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each