NSN 4820-00-797-3959 VA021, VA0391, VA039-1

Product Details | CHECK VALVE

4820-00-797-3959 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: VA021, VA0391, VA039-1 , VA041, 121592, 12-159-2, 4488D265, 448-8D2-65, 4488D2765, 448-8D27-65, 50.109, 50.109-BN, 50109, 50109BN, 4820-00-797-3959, 00-797-3959, 4820007973959, 007973959

Valves | Valves, Nonpowered

Supply Group (FSG)	NSN Assign.	NIIN	Item Name Code (INC)
48	01 JAN 1962	00-797-3959	05487 ( VALVE, CHECK )

Drawings & Photos | NSN 4820-00-797-3959

Part Number	Request Date	QTY	Origin
50109	2024-07-183	50	Japan
448-8D27-65	2023-04-107	20	DIBBS
50.109-BN	2023-04-107	20	DIBBS
VA041	2023-04-107	20	DIBBS
448-8D27-65	2023-04-96	20	DIBBS
50.109-BN	2023-04-96	20	DIBBS
VA041	2023-04-96	20	DIBBS
448-8D27-65	2022-06-181	37	DIBBS
50.109-BN	2022-06-181	37	DIBBS
VA041	2022-06-181	37	DIBBS
448-8D27-65	2019-07-192	54	DIBBS
50.109-BN	2019-07-192	54	DIBBS
VA041	2019-07-192	54	DIBBS
4820-00-797-3959	2019-03-60	25	US
448-8D27-65	2019-02-56	28	DIBBS
50.109-BN	2019-02-56	28	DIBBS
VA041	2019-02-56	28	DIBBS
448-8D27-65	2019-02-45	28	DIBBS
50.109-BN	2019-02-45	28	DIBBS
VA041	2019-02-45	28	DIBBS
4820-00-797-3959	2018-09-260	21	DIBBS
4820-00-797-3959	2018-09-249	21	DIBBS
4820-00-797-3959	2018-05-144	18	DIBBS
4820-00-797-3959	2018-03-74	22	DIBBS
4820-00-797-3959	2018-03-63	22	DIBBS
4820-00-797-3959	2013-08-241	65	DIBBS
4820-00-797-3959	2013-08-230	26	DIBBS
4820-00-797-3959	2013-06-170	42	DIBBS
4820-00-797-3959	2013-03-84	26	DIBBS
4820-00-797-3959	2011-02-48	47	DIBBS
4820-00-797-3959	2010-09-266	40	DIBBS

Cross Reference | NSN 4820-00-797-3959

Part Number	Cage Code	Manufacturer
12-159-2	09990	PARKER-HANNIFIN CORPORATION DBA HYDRAULIC VALVE DIV
12-159-2	86768	TELEDYNE INDUSTRIES INC TELEDYNE FLUID SYSTEMS REPUBLIC
448-8D2-65	86768	TELEDYNE INDUSTRIES INC TELEDYNE FLUID SYSTEMS REPUBLIC
448-8D27-65	09990	PARKER-HANNIFIN CORPORATION DBA HYDRAULIC VALVE DIV
50.109	72429	SARGENT FLETCHER INC.
50.109-BN	72429	SARGENT FLETCHER INC.
VA021	24984	HYDRAFLOW
VA039-1	24984	HYDRAFLOW
VA041	24984	HYDRAFLOW

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Related Products | NSN 4820-00-797-3959

4820-00-797-4145, 4820-00-797-4988, 4820-00-797-6403, 4820-00-797-7455, 4820-00-797-7458

Technical Data | NSN 4820-00-797-3959

Characteristic	Specifications
MATERIAL	ALUMINUM ALLOY BODY ALUMINUM ALLOY SEAT
STYLE DESIGNATOR	A3 STRAIGHT THRU
FLOW CONTROL DEVICE	POPPET
MAXIMUM OPERATING PRESSURE	3000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
VALVE OPERATION METHOD	AUTOMATIC
CONNECTION TYPE	THREADED EXTERNAL TUBE 1ST END
CONNECTION STYLE	B45 FLARELESS 1ST END
SEAT ANGLE	24.0 DEGREES 1ST END
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED	0.500 INCHES 1ST END
THREAD SERIES DESIGNATOR	UNF 1ST END
NOMINAL THREAD SIZE	0.750 INCHES 1ST END
THREAD QUANTITY PER INCH	16 1ST END
THREAD CLASS	3A 1ST END
THREAD DIRECTION	RIGHT-HAND 1ST END
MOUNTING POSITION	HORIZONTAL OR VERTICAL
DISK LOADING METHOD	SPRING
SPECIAL FEATURES	WEAPON SYSTEM ESSENTIAL. CRACKING PRESSURE 65 PSI.
CRITICALITY CODE JUSTIFICATION	FEAT
END ITEM IDENTIFICATION	C-130 HERCULES AIRCRAFT.

Restrictions/Controls & Freight Information | NSN 4820-00-797-3959

Restrictions
Freight

Category	Code	Description
Shelf-Life Code:	0	Nondeteriorative
Hazardous Material Indicator Code	N	There is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Demilitarization Code:	B	Munitions List Item - Mutilation (MUT) to the point of scrap required. (Formerly: Demilitarization not required. Trade Security Controls (TSCs) required at disposition.)
Controlled Inventory Item Code:	U	UNCLASSIFIED
Precious Metals Indicator Code:	U	Precious metal type is unknown
Criticality Code:	Y	The item does not have a nuclear hardened feature but does have other critical feature(s) such as tolerance, fit restriction or application.

Category	Code	Description
NMF Description	051080	FAUCETS,BIBCOCKS,GATES VALVES
Less than car load rating	S	60
Less than truck load rating	W	Rating Variable
Water commodity Code	594	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
Air Special Handling	Z	No special handling required.
Special Handling Code	Z	unknonwn
HAZMAT
Type of Cargo	Z	No special type of cargo code applicable

Management | NSN 4820-00-797-3959

Air Force
Navy

Category	Code	Description
Budget Code	9	General Support DIV57X4921.070:Air Force decentrally managed expense items (ERRC XB3, XF-3) with a unit cost of less than $250,000 that are requisitioned/procured at base (retail) level from DLA, GSA, Army, Navy, Depot Maintenance Service, Air Force Industrial Fund (AFMC), local manufacture and commercial vendors.
Materiel Management Aggregation Code	JY	SX:MISCELLANEOUS AIRCRAFT ACCESSORIES AND SYSTEMS
Price Validation	N	The current standard price in Catalog Management Data (CMD) has not analyzed or coded for LP/LM. The price has not been analyzed or reviewed for accuracy. ZOP or Standard price challenges are permissible, but must be supported with adequate justification. However, if coded for Local Purchase (LP) or Fabrication/Manufacture as indicated with an (LM) Acquisition Advice Code of ?L? or?F?,the case must be evaluated locally where purchased or fabricated.
Fund Code	SF	Stock fund applicable to items managed for the Air Force by the respective Inventory Control Point.
Source of Supply	SMS	Defense Logistics Agency Enterprise Business Systems
Agency	DF	Department of the Air Force
Service Organization	F	U.S. Air Force
Reparability	N	Stock Fund (except Munitions)
Acquisition Advice Codes	D	DoD 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 Code	U	UNCLASSIFIED
Shelf Life Code	0	Nondeteriorative
Purchasing	QTY UOM	1 EA : Each

Category	Code	Description
Cognizance Codes	9B	Navy-owned stocks of DLA material Naval Inventory Control Point, Mechanicsburg
Source of Supply	SMS	Defense Logistics Agency Enterprise Business Systems
Agency	DN	Department of the Navy
Service Organization	N	U.S. Navy
Acquisition Advice Codes	D	DoD 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 Code	U	UNCLASSIFIED
Shelf Life Code	0	Nondeteriorative
Purchasing	QTY UOM	1 EA : Each