NSN 4820-01-339-2121 CYLB51643, 16VY1010012, 16VY101001-2

Product Details | CHECK VALVE

4820-01-339-2121 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: CYLB51643, 16VY1010012, 16VY101001-2, 42012, 4201-2, 4820-01-339-2121, 01-339-2121, 4820013392121, 013392121

Valves | Valves, Nonpowered

Supply Group (FSG)	NSN Assign.	NIIN	Item Name Code (INC)
48	19 MAY 1991	01-339-2121	05487 ( VALVE, CHECK )

Drawings & Photos | NSN 4820-01-339-2121

Part Number	Request Date	QTY	Origin
4201-2	2025-12-343	100	DIBBS
VS2300-130	2025-12-343	100	DIBBS
4201-2	2025-10-292	100	DIBBS
VS2300-130	2025-10-292	100	DIBBS
4201-2	2025-05-139	31	DIBBS
VS2300-130	2025-05-139	31	DIBBS
4820-01-339-2121	2024-12-355	20	TR
4201-2	2024-06-155	170	DIBBS
VS2300-130	2024-06-155	170	DIBBS
4201-2	2024-02-39	100	DIBBS
4201-2	2023-10-296	70	DIBBS
4201-2	2023-10-283	70	DIBBS
4201-2	2021-12-360	9	DIBBS
4201-2	2021-11-318	8	DIBBS
4201-2	2021-11-309	114	DIBBS
4201-2	2021-09-245	20	DIBBS
4201-2	2021-08-237	94	DIBBS
4201-2	2021-07-203	8	DIBBS
4201-2	2021-07-194	78	DIBBS
4201-2	2021-07-182	12	DIBBS
4201-2	2021-05-144	66	DIBBS
4201-2	2021-03-74	72	DIBBS
4201-2	2021-01-28	22	DIBBS
4201-2	2020-10-282	36	DIBBS
4201-2	2020-07-188	15	DIBBS
4201-2	2020-06-177	15	DIBBS
4201-2	2020-03-82	90	DIBBS
4201-2	2020-03-72	22	DIBBS
4201-2	2020-03-61	22	DIBBS
4201-2	2019-11-323	21	DIBBS
4201-2	2019-10-301	23	DIBBS
4201-2	2019-09-259	10	DIBBS
4201-2	2019-08-227	37	DIBBS
4201-2	2019-06-174	81	DIBBS
4201-2	2019-01-17	57	DIBBS
4820-01-339-2121	2018-04-119	53	DIBBS
4820-01-339-2121	2018-02-44	61	DIBBS
4820-01-339-2121	2018-01-04	51	DIBBS
4820-01-339-2121	2017-09-271	50	DIBBS
4820-01-339-2121	2017-05-145	53	DIBBS
4820-01-339-2121	2017-04-99	55	DIBBS
4820-01-339-2121	2017-03-65	49	DIBBS
4820-01-339-2121	2016-09-256	73	DIBBS
4820-01-339-2121	2016-08-229	49	DIBBS
4820-01-339-2121	2016-03-63	53	DIBBS
4820-01-339-2121	2016-01-27	64	DIBBS
4820-01-339-2121	2015-12-343	64	DIBBS
4820-01-339-2121	2015-12-340	64	DIBBS
4820-01-339-2121	2015-09-267	31	DIBBS
4820-01-339-2121	2015-08-216	35	DIBBS
4820-01-339-2121	2015-01-06	52	DIBBS
4820-01-339-2121	2014-11-308	36	DIBBS
4820-01-339-2121	2014-08-224	2	DIBBS
4820-01-339-2121	2014-07-187	31	DIBBS
4820-01-339-2121	2014-06-152	13	DIBBS
4820-01-339-2121	2014-05-135	28	DIBBS
4820-01-339-2121	2014-04-120	6	DIBBS
4820-01-339-2121	2014-04-111	12	DIBBS
4820-01-339-2121	2014-04-98	12	DIBBS
4820-01-339-2121	2014-03-71	15	DIBBS
4820-01-339-2121	2014-03-62	14	DIBBS
4820-01-339-2121	2013-06-177	1	United States
4820-01-339-2121	2011-05-144	13	DIBBS
4820-01-339-2121	2011-04-100	19	DIBBS
4820-01-339-2121	2011-02-48	12	DIBBS
4820-01-339-2121	2008-11-317	27	DIBBS

Cross Reference | NSN 4820-01-339-2121

Part Number	Cage Code	Manufacturer
16VY101001-2	81755	LOCKHEED MARTIN CORPORATION DBA LOCKHEED MARTIN AERONAUTICS
4201-2	S4883	TAT TECHNOLOGIES LTD.
CYLB51643	05624	GE AVIATION SYSTEMS LLC DBA GE AVIATION

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Related Products | NSN 4820-01-339-2121

4820-01-339-2193, 4820-01-339-2194, 4820-01-339-2236, 4820-01-339-2348, 4820-01-339-2737

Technical Data | NSN 4820-01-339-2121

Characteristic	Specifications
STYLE DESIGNATOR	E1 STRAIGHT THRU
MEDIA FOR WHICH DESIGNED	AIR SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE	90.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP	1189.0 DEG FAHRENHEIT SINGLE RESPONSE
CONNECTION TYPE	FLANGE 1ST END FLANGE 2ND END
FLANGE SHAPE	ROUND 1ST END ROUND 2ND END
SPECIAL FEATURES	INLET FLANGE EQUIVALENT TO GD/FW C7880-200F,CAGEC 81755; OUTLET FLANGE EQUIVALENT TO GD/FW C7880-200M,CAGEC 81755

Restrictions/Controls & Freight Information | NSN 4820-01-339-2121

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:	A	Non-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Controlled Inventory Item Code:	U	UNCLASSIFIED
Precious Metals Indicator Code:	A	Item 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:	0	Represents 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	SX	Oklahoma City Air Logistics Center Tinker AFB, OK 73145-3043
Air Dimension Code	A	Shipment is not a consolidation and does not exceed 72 inches in any dimension.
Air Commodity	V	Vehicles, machinery, shop and warehouse equipment and supplies, including special tools and equipment, ground servicing and special purpose vehicles, marine equipment and supplies, repair and maintenance parts for the above.
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 4820-01-339-2121

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.
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.
Materiel Management Aggregation Code	TP	SX:"TEMPERATURE AND PRESSURE CONTROLS, AIRCRAFT"
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	P	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