4820-00-019-9612 - OXYGEN SYSTEM SAFETY RELIEF VALVE, M90504, M9050-4, MILPRF9050

Product Details | OXYGEN SYSTEM SAFETY RELIEF VALVE

4820-00-019-9612 A valve designed to automatically release excessive pressures. It is actuated by static pressure upstream of the valve and is used as a safety or relief valve, and may be set to close at a predetermined pressure. It is not designed for regulation of continuously fluctuating loads. It is specifically designed and/or cleaned for oxygen systems. See VALVE, SAFETY RELIEF.20248100015Valves, Powered48200018Valves, Nonpowered

Part Alternates: M90504, M9050-4, MILPRF9050, MIL-PRF-9050, MILV9050, MIL-V-9050, FR121B2, 20C00504, 20C-0050-4, 212441, 21244-1, 90504, 9050-4, 4820-00-019-9612, 00-019-9612, 4820000199612, 000199612

Valves | Valves, Nonpowered

Supply Group (FSG)	NSN Assign.	NIIN	Item Name Code (INC)
48	01 JAN 1963	00-019-9612	37941 ( VALVE, SAFETY RELIEF, OXYGEN SYSTEM )

Drawings & Photos | NSN 4820-00-019-9612

Part Number	Request Date	QTY	Origin
4820-00-019-9612	2023-11-28	34	DIBBS
4820-00-019-9612	2023-02-01	51	DIBBS
4820-00-019-9612	2023-01-26	26	DIBBS
4820-00-019-9612	2022-07-28	25	DIBBS
4820-00-019-9612	2021-12-05	51	DIBBS
4820-00-019-9612	2021-09-23	27	DIBBS
4820-00-019-9612	2021-07-15	12	DIBBS
4820-00-019-9612	2021-03-02	5	DIBBS
4820-00-019-9612	2017-03-30	30	DIBBS
4820-00-019-9612	2017-02-14	29	DIBBS
4820-00-019-9612	2016-12-25	20	DIBBS
4820-00-019-9612	2016-03-22	29	DIBBS
4820-00-019-9612	2014-03-24	21	DIBBS
4820-00-019-9612	2013-12-12	10	DIBBS
4820-00-019-9612	2012-08-07	12	DIBBS
4820-00-019-9612	2012-06-13	9	DIBBS

Cross Reference | NSN 4820-00-019-9612

Part Number	Cage Code	Manufacturer
20C-0050-4	19062	ESSEX INDUSTRIES, INC.
21244-1	03990	INGERSOLL-RAND CO
21244-1	04577	CARLETON TECHNOLOGIES INC
9050-4	81349	MILITARY SPECIFICATIONS PROMULGATED BY MILITARY
FR121B2	99251	CARLETON LIFE SUPPORT SYSTEMS INC. DBA COBHAM MISSION SYSTEM
M9050-4	81349	MILITARY SPECIFICATIONS PROMULGATED BY MILITARY
MIL-PRF-9050	81349	MILITARY SPECIFICATIONS PROMULGATED BY MILITARY
MIL-V-9050	81349	MILITARY SPECIFICATIONS PROMULGATED BY MILITARY

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Related Products | NSN 4820-00-019-9612

4820-00-019-9900, 4820-00-020-1689, 4820-00-020-2786, 4820-00-020-3210, 4820-00-020-4620

Technical Data | NSN 4820-00-019-9612

Characteristic	Specifications
MATERIAL	ALUMINUM ALLOY BODY
SURFACE TREATMENT	ANODIZE
STYLE DESIGNATOR	C1 ANGLE
MEDIA FOR WHICH DESIGNED	OXYGEN, GASEOUS SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE	430.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
VALVE OPERATION METHOD	AUTOMATIC
CONNECTION TYPE	THREADED EXTERNAL PIPE 1ST END THREADED INTERNAL BOSS 2ND END
THREAD DIRECTION	RIGHT-HAND 1ST END RIGHT-HAND 2ND END
DISK LOADING METHOD	SPRING
III END ITEM IDENTIFICATION	ACFT,TYPE B-52
MANUFACTURERS CODE	81349
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE	MIL-PRF-9050
MANUFACTURERS CODE	81349
DEFINITIVE GOVERNMENT SPEC/STD REFERENCE	M9050-4

Restrictions/Controls & Freight Information | NSN 4820-00-019-9612

Restictions
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.

Category	Code	Description
NMF Description	127220	PRESSURE REG/RED/RELIEF VALVES NOI
Less than car load rating
Less than truck load rating	P	77.5
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 4820-00-019-9612

Air Force

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	BO	SX:BREATHING OXYGEN SYSTEMS AND COMPONENT
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

Schedule B No. and Headings	Commodity Description	Unit of Quantity
84.81	- Taps, cocks, valves and similar appliances for pipes, boiler shells, tanks, vats or the like, including pressure-reducing valves and thermostatically controlled valves; parts thereof:
8481.10	- - Pressure-reducing valves:
8481.10.0020	- - - Hydraulic fluid power type	No.
	- - - Pneumatic fluid power type:
8481.10.0040	- - - - Filter-regulators and filter-regulator-lubricators	No.
8481.10.0060	- - - - Other	No.
8481.10.0090	- - - Other	No.
8481.20	- - Valves for oleohydraulic or pneumatic transmissions:
	- - - Hydraulic valves:
	- - - - Directional control:
8481.20.0010	- - - - - Manual type	No.
8481.20.0020	- - - - - Solenoid type	No.
8481.20.0030	- - - - - Other	No.
8481.20.0040	- - - - Flow control type	No.
8481.20.0050	- - - - Other	No.
	- - - Pneumatic valves:
	- - - - Directional control
8481.20.0060	- - - - - Solenoid type	No.
8481.20.0070	- - - - - Other	No.
8481.20.0080	- - - - Other	No.
8481.30	- - Check (nonreturn) valves:
	- - - Of copper:
8481.30.1010	- - - - Having a pressure rating under 850 kPa (123 lbs. pressure)	No.	kg
8481.30.1090	- - - - Having a pressure rating of 850 kPa (123 lbs. pressure) or over	No.	kg
	- - - Of iron or steel:
8481.30.2010	- - - - Of iron	No.	kg
8481.30.2090	- - - - Of steel	No.	kg
8481.30.9000	- - - Other	No.	kg
8481.40.0000	- - Safety or relief valves	No.	kg
8481.80	- - Other appliances:
	- - - Hand operated:
	- - - - Of copper:
8481.80.1010	- - - - - Having a pressure rating under 850 kPa (123 lbs. pressure)	No.	kg
	- - - - - Having a pressure rating of 850 kPa (123 lbs. pressure) or over:
8481.80.1060	- - - - - - Gate type	No.	kg
8481.80.1070	- - - - - - Globe type	No.	kg
8481.80.1075	- - - - - - Plug type	No.	kg
8481.80.1085	- - - - - - Ball type	No.	kg
8481.80.1090	- - - - - - Butterfly type	No.	kg
8481.80.1095	- - - - - - Other	No.	kg
	- - - - Of iron or steel:
	- - - - - Of iron:
8481.80.3010	- - - - - - Gate type	No.	kg
8481.80.3015	- - - - - - Globe type	No.	kg
8481.80.3020	- - - - - - Plug type	No.	kg
8481.80.3025	- - - - - - Ball type	No.	kg
8481.80.3030	- - - - - - Butterfly type	No.	kg
8481.80.3040	- - - - - - Other	No.	kg
	- - - - - Of steel:
8481.80.3055	- - - - - - Gate type	No.	kg
8481.80.3060	- - - - - - Globe type	No.	kg
8481.80.3065	- - - - - - Plug type	No.	kg
8481.80.3070	- - - - - - Ball type	No.	kg
8481.80.3075	- - - - - - Butterfly type	No.	kg
8481.80.3090	- - - - - - Other	No.	kg
	- - - - Of other materials:
8481.80.5040	- - - - - Pressure spray can valves (lids)	No.	kg
8481.80.5060	- - - - - Bath, shower, sink and lavatory faucets	No.	kg
8481.80.5090	- - - - - Other	No.	kg
	- - - Other:
8481.80.9005	- - - - Solenoid valves	No.
8481.80.9010	- - - - Ballcock mechanisms	No.
8481.80.9015	- - - - Regulator valves, self-operating, for controlling variables such as temperature, pressure, flow and liquid level	No.
	- - - - Other:
	- - - - - With electrical or electro-hydraulic actuators:
8481.80.9020	- - - - - - Control valves designed for proportional operation by a signal from a control device	No.
8481.80.9025	- - - - - - Other	No.
8481.80.9030	- - - - - With hydraulic actuators	No.
	- - - - - With pneumatic actuators:
8481.80.9035	- - - - - - Control valves designed for proportional operation by a signal from a control device	No.
8481.80.9040	- - - - - - Other	No.
8481.80.9045	- - - - - With thermostatic actuators	No.
8481.80.9050	- - - - - Other	No.
8481.90	- - Parts:
8481.90.7000	- - - Of hand operated and check appliances	kg
	- - - Other:
8481.90.9010	- - - - Of valves of subheading 8481.20	kg
8481.90.9090	- - - - Other	kg

NSN 4820-00-019-9612 M90504, M9050-4, MILPRF9050