Product Details | STOP-CHECK VALVE

4820-01-554-1395 A valve with a bolt or stem that may be mechanically actuated to two different positions by rotary or linear motion. In the first position, the valve disk is located and locked against the seat permitting no fluid flow through the valve. In the second position, one side of the valve disk is located against the seat permitting movement of the disk in a manner that will allow a flow of fluid in one direction through the valve. The valve disk may be spring loaded. It may be inline or cartridge (manifold) design. See also VALVE (1), LIFT-CHECK and VALVE (1), STOP-LIFT-CHECK.20248100015Valves, Powered48200018Valves, Nonpowered

Part Alternates: 8032177525C7C5AF, 803-2177525-C7C5AF, 4820-01-554-1395, 01-554-1395, 4820015541395, 015541395

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 31 JUL 2007 01-554-1395

Drawings & Photos | NSN 4820-01-554-1395


Demand History | NSN 4820-01-554-1395

Part Number Request Date QTY Origin
4820-01-554-1395 2025-07-198 2 DIBBS
4820-01-554-1395 2024-10-302 2 DIBBS
4820-01-554-1395 2024-10-298 3 DIBBS
4820-01-554-1395 2024-10-295 2 DIBBS
4820-01-554-1395 2023-04-96 2 DIBBS
4820-01-554-1395 2022-08-227 3 DIBBS
4820-01-554-1395 2022-08-223 1 DIBBS
4820-01-554-1395 2022-04-111 1 DIBBS
4820-01-554-1395 2022-02-32 1 DIBBS
4820-01-554-1395 2021-10-285 1 DIBBS
4820-01-554-1395 2018-02-42 2 DIBBS
4820-01-554-1395 2015-03-63 3 DIBBS
4820-01-554-1395 2014-11-334 2 DIBBS

Cross Reference | NSN 4820-01-554-1395

Part Number Cage Code Manufacturer
803-2177525-C7C5AF 80064 NAVAL SHIP SYSTEMS COMMAND

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Technical Data | NSN 4820-01-554-1395

Characteristic Specifications
MATERIAL STEEL OVERALL
STYLE DESIGNATOR A2A STRAIGHT THRU FLANGED ENDS
VALVE SIZE 1.500 INCHES
FACE TO FACE DISTANCE 9.500 INCHES
MEDIA FOR WHICH DESIGNED STEAM SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE 600.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
VALVE OPERATION METHOD MANUAL
CONNECTION TYPE FLANGE ALL ENDS
FLANGE SHAPE ROUND WITH HOLES ALL ENDS
NOMINAL OUTSIDE DIAMETER 6.125 INCHES ALL ENDS
NOMINAL THICKNESS 0.875 INCHES ALL ENDS
BOLT HOLE QUANTITY 4 ALL ENDS
BOLT HOLE NOMINAL DIAMETER 0.812 INCHES ALL ENDS
BOLT CIRCLE NOMINAL DIAMETER 5.000 INCHES ALL ENDS
FLANGE FACE DESIGN RAISED STRAIGHT ALL ENDS
RAISED FACE NOMINAL HEIGHT 0.250 INCHES ALL ENDS
RAISED FACE NOMINAL DIAMETER 2.875 INCHES ALL ENDS
MOUNTING POSITION HORIZONTAL OR VERTICAL
BONNET TYPE OUTSIDE SCREW-YOKE
BONNET ATTACHMENT METHOD BOLTED
PART NAME ASSIGNED BY CONTROLLING AGENCY IN-LINE THROTTLE STOP-CHECK WITH BACKSEAT

Restrictions/Controls & Freight Information | NSN 4820-01-554-1395

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 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
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 4820-01-554-1395

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 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