Product Details | CHECK VALVE

4820-00-021-2951 A valve permitting flow in one direction only. It does not have a stem, except when equipped with a lever and weight and has no pressure adjustment. It may be inline or cartridge (manifold) design.

Part Alternates: C249S1Q5, C249S-1Q-5, 5831175, 2594339PC1, 4820-00-021-2951, 00-021-2951, 4820000212951, 000212951

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 27 APR 1967 00-021-2951

Drawings & Photos | NSN 4820-00-021-2951


Demand History | NSN 4820-00-021-2951

Part Number Request Date QTY Origin
4820-00-021-2951 2021-06-158 50 US
4820-00-021-2951 2018-06-175 1 DIBBS
4820-00-021-2951 2017-10-303 2 DIBBS

Cross Reference | NSN 4820-00-021-2951

Part Number Cage Code Manufacturer
2594339PC1 10001 NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT
5831175 53711 NAVAL SEA SYSTEMS COMMAND
C249S-1Q-5 91816 CIRCOR AEROSPACE, INC. DBA CIRCLE SEAL CONTROLS

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Technical Data | NSN 4820-00-021-2951

Characteristic Specifications
MATERIAL STEEL BODY RUBBER SYNTHETIC PACKING
MATERIAL DOCUMENT AND CLASSIFICATION 66,AISI B1113,1213/SAE 1113 FED STD SINGLE MATERIAL RESPONSE BODY MIL-P-5315 MIL SPEC SINGLE MATERIAL RESPONSE PACKING
STYLE DESIGNATOR A6 STRAIGHT THRU
FLOW CONTROL DEVICE POPPET
MEDIA FOR WHICH DESIGNED AIR 1ST RESPONSE AMMONIA, GASEOUS 2ND RESPONSE CARBON DIOXIDE 3RD RESPONSE ETHYLENE GLYCOL 4TH RESPONSE WATER, FRESH 5TH RESPONSE
MAXIMUM OPERATING PRESSURE 5000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP 280.0 DEG FAHRENHEIT SINGLE RESPONSE
VALVE OPERATION METHOD AUTOMATIC
CONNECTION TYPE UNTHREADED INTERNAL TUBE ALL ENDS
CONNECTION STYLE B26 PLAIN ALL ENDS
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED 0.748 INCHES ALL ENDS
MOUNTING POSITION HORIZONTAL OR VERTICAL

Restrictions/Controls & Freight Information | NSN 4820-00-021-2951

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 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 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 4820-00-021-2951

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 CodesJNOT STOCKED, CENTRALLY PROCURED # (NON-STOCKED ITEMS) IMM/Service centrally managed but not stocked item. Procurement will be initiated only after receipt of a requisition.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each