Product Details | VALVE DISK

4820-00-956-7511 An item of various shapes (usually circular, conical, cylindrical, or rectangular) used to prevent or regulate the flow of liquids or gases through the valve. May include a retainer, screw, holder, and the like.20616500058Aircraft Hydraulic, Vacuum, and De-icing System Components16600062Aircraft Air Conditioning, Heating, and Pressurizing Equipment29150064Engine Fuel System Components, Aircraft and Missile Prime Movers48100015Valves, Powered48200018Valves, Nonpowered65150057Medical and Surgical Instruments, Equipment, and Supplies

Part Alternates: 159673, 280977PC17, 4820-00-956-7511, 00-956-7511, 4820009567511, 009567511

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 01 JAN 1962 00-956-7511

Demand History | NSN 4820-00-956-7511

Part Number Request Date QTY Origin
159673 2025-08-219 11 DIBBS
159673 2024-02-44 14 DIBBS
159673 2023-08-243 9 DIBBS
159673 2022-08-241 12 DIBBS
159673 2022-07-209 12 DIBBS
159673 2022-04-91 5 DIBBS
159673 2022-03-79 5 DIBBS
159673 2021-10-285 8 DIBBS
159673 2021-09-271 8 DIBBS
159673 2021-02-56 3 DIBBS
4820-00-956-7511 2018-10-284 19 DIBBS
4820-00-956-7511 2018-09-259 1 DIBBS
4820-00-956-7511 2018-01-07 15 DIBBS
4820-00-956-7511 2017-02-45 12 DIBBS
4820-00-956-7511 2015-10-281 15 DIBBS
4820-00-956-7511 2015-02-32 14 DIBBS
4820-00-956-7511 2014-01-05 9 DIBBS
4820-00-956-7511 2013-06-156 10 DIBBS
4820-00-956-7511 2013-03-77 5 DIBBS
4820-00-956-7511 2013-02-58 3 DIBBS
4820-00-956-7511 2012-09-272 6 DIBBS
4820-00-956-7511 2012-06-174 3 DIBBS
4820-00-956-7511 2012-04-97 4 DIBBS
4820-00-956-7511 2012-03-75 3 DIBBS
4820-00-956-7511 2012-01-17 4 DIBBS
4820-00-956-7511 2011-08-214 2 DIBBS
4820-00-956-7511 2011-03-63 5 DIBBS
4820-00-956-7511 2010-08-239 3 DIBBS
4820-00-956-7511 2009-09-247 1 DIBBS
4820-00-956-7511 2009-08-215 4 DIBBS

Cross Reference | NSN 4820-00-956-7511

Part Number Cage Code Manufacturer
159673 99657 MAROTTA CONTROLS, INC.
280977PC17 99657 MAROTTA CONTROLS, INC.

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Technical Data | NSN 4820-00-956-7511

Characteristic Specifications
MATERIAL NICKEL COPPER ALLOY, QQ-N-281
STYLE DESIGNATOR G38 POPPET
SHANK DIAMETER 0.458 INCHES NOMINAL
OUTSIDE DIAMETER 0.458 INCHES MINIMUM AND 0.459 INCHES MAXIMUM
FLANGE DIAMETER 0.624 INCHES NOMINAL
OVERALL HEIGHT 1.304 INCHES NOMINAL
SEAT ANGLE 40.0 DEGREES NOMINAL
MEDIA FOR WHICH DESIGNED AIR OR GAS
PRESSURE RATING 6000.0 POUNDS PER SQUARE INCH NOMINAL
TEMP RATING 28.0 DEG FAHRENHEIT MINIMUM AND 165.0 DEG FAHRENHEIT MAXIMUM
SPECIAL FEATURES MATERIAL MONEL

Restrictions/Controls & Freight Information | NSN 4820-00-956-7511

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:UPrecious metal type is unknown
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 XX
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 4820-00-956-7511

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