Product Details | FLUID VALVE STEM

4820-01-257-4936 An item usually metallic, threaded or unthreaded, used for securing to or positioning into a mating part. It is designed to be used in a globe, relief, regulator valve and the like as a means of controlling the flow of liquids or gases in a given system. One end may have an integral disk or be designed to accommodate a metallic or nonmetallic disk. The other end is designed for a handwheel, lever, spring, diaphragm and the like for nonpowered operation or to accommodate a gear, solenoid, air motor and the like for powered operation. The handwheel and/or disk may be furnished with the item. Excludes STEM, FAUCET; and STEM, NEEDLE VALVE.20248100015Valves, Powered48200018Valves, Nonpowered

Part Alternates: 51740B576, 740B297, 4820-01-257-4936, 01-257-4936, 4820012574936, 012574936

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 19 JUN 1987 01-257-4936

Demand History | NSN 4820-01-257-4936

Part Number Request Date QTY Origin
51740B576 2024-05-130 13 DIBBS
51740B576 2022-09-262 5 DIBBS
51740B576 2019-08-217 8 DIBBS
51740B576 2019-07-206 8 DIBBS
4820-01-257-4936 2013-03-77 1 DIBBS
4820-01-257-4936 2013-03-71 5 DIBBS
4820-01-257-4936 2013-02-36 3 DIBBS
4820-01-257-4936 2013-01-08 2 DIBBS
4820-01-257-4936 2011-12-347 2 DIBBS
4820-01-257-4936 2011-05-138 3 DIBBS

Cross Reference | NSN 4820-01-257-4936

Part Number Cage Code Manufacturer
51740B576 91363 NORRISEAL NORRIS VALUES DIV
740B297 91363 NORRISEAL NORRIS VALUES DIV

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Technical Data | NSN 4820-01-257-4936

Characteristic Specifications
MATERIAL STEEL COMP 316
MATERIAL DOCUMENT AND CLASSIFICATION AISI 316SS ASSN STD SINGLE MATERIAL RESPONSE
VALVE TYPE FOR WHICH DESIGNED BUTTERFLY
VALVE SIZE FOR WHICH DESIGNED 10.000 INCHES AND 12.000 INCHES
STEM ACTUATING END TYPE SQUARE
FEATURES PROVIDED LOWER STEM
SPECIAL FEATURES FOR USE WITH 10 INCH AND 12 INCH NORRIS BUTTERFLY VALVES

Restrictions/Controls & Freight Information | NSN 4820-01-257-4936

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 051080 FAUCETS,BIBCOCKS,GATES VALVES
Less than car load rating
Less than truck load rating W Rating Variable
Water commodity Code 576 unknown
Originating Activity Code AX Defense Supply Center Columbus
Columbus, OH 43216-5000
Air Dimension Code A Shipment is not a consolidation and does not exceed 72 inches in any dimension.
Air Commodity B Construction materials: Includes paint and related materials, prefabricated building, wood products, metal and composition materials and their products, commercial hardware and miscellaneous items, cement, asphalt, building maintenance materials.
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 4820-01-257-4936

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