NSN 4820-00-883-4550 0609P55, 1187007, 157R1R17

Product Details | SAFETY RELIEF VALVE

4820-00-883-4550 A valve designed to automatically release excessive pressures. It is actuated by static pressure upstream of the valve and is used as a safety valve or relief valve, and may be set to close at a predetermined pressure. It is not designed for regulation of continuously fluctuating loads. It may be inline or cartridge (manifold) design. Excludes VALVE (1), RELIEF, PRESSURE AND TEMPERATURE.

Part Alternates: 0609P55, 1187007, 157R1R17, 5232, 4820-00-883-4550, 00-883-4550, 4820008834550, 008834550

Valves | Valves, Nonpowered

Supply Group (FSG)	NSN Assign.	NIIN	Item Name Code (INC)
48	01 JAN 1963	00-883-4550	05488 ( VALVE, SAFETY RELIEF )

Drawings & Photos | NSN 4820-00-883-4550

Part Number	Request Date	QTY	Origin
0609P55	2023-06-172	2	DIBBS
157R1R17	2023-06-172	2	DIBBS
5232	2023-06-172	2	DIBBS
0609P55	2022-12-349	2	DIBBS
157R1R17	2022-12-349	2	DIBBS
5232	2022-12-349	2	DIBBS
0609P55	2022-12-342	1	DIBBS
157R1R17	2022-12-342	1	DIBBS
5232	2022-12-342	1	DIBBS
0609P55	2022-12-338	2	DIBBS
157R1R17	2022-12-338	2	DIBBS
5232	2022-12-338	2	DIBBS
0609P55	2022-11-331	1	DIBBS
157R1R17	2022-11-331	1	DIBBS
5232	2022-11-331	1	DIBBS
0609P55	2022-06-159	1	DIBBS
157R1R17	2022-06-159	1	DIBBS
5232	2022-06-159	1	DIBBS
0609P55	2021-02-54	3	DIBBS
157R1R17	2021-02-54	3	DIBBS
5232	2021-02-54	3	DIBBS
4820-00-883-4550	2018-05-144	4	DIBBS
4820-00-883-4550	2018-03-67	3	DIBBS
4820-00-883-4550	2017-11-310	2	DIBBS
4820-00-883-4550	2017-07-185	2	DIBBS
4820-00-883-4550	2017-06-180	11	DIBBS
4820-00-883-4550	2017-06-157	1	DIBBS
4820-00-883-4550	2017-05-151	1	DIBBS
4820-00-883-4550	2017-05-136	1	DIBBS
4820-00-883-4550	2016-10-286	3	DIBBS
4820-00-883-4550	2015-11-319	1	DIBBS

Cross Reference | NSN 4820-00-883-4550

Part Number	Cage Code	Manufacturer
0609P55	10119	HARTFORD COMPRESSORS INC DBA FOREIGN PARENT IS DUNHAM-BUSH
1187007	12204	DAIMLER CHRYSLER
1187007	70219	CHRYSLER CORP DAYTON PLANT 1
157R1R17	63479	PROCESS SUPPLY INC DBA DEFENSE PRODUCTS INTERNATIONAL
5232	28193	HENRY TECHNOLOGIES INC.

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Related Products | NSN 4820-00-883-4550

4820-00-883-4551, 4820-00-883-4554, 4820-00-883-4596, 4820-00-883-4605, 4820-00-883-4977

Technical Data | NSN 4820-00-883-4550

Characteristic	Specifications
MATERIAL	COPPER ALLOY BODY STEEL AND RUBBER SYNTHETIC FLOW CONTROL DEVICE COPPER ALLOY SEAT
STYLE DESIGNATOR	B3 STRAIGHT THRU
FLOW CONTROL DEVICE	POPPET
MEDIA FOR WHICH DESIGNED	AIR SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE	450.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
VALVE OPERATION METHOD	AUTOMATIC
CONNECTION TYPE	THREADED EXTERNAL TUBE 1ST END THREADED EXTERNAL PIPE 2ND END
CONNECTION STYLE	G42 FLARED 1ST END G46B PLAIN 2ND END
SEAT ANGLE	37.0 DEGREES 1ST END
NOMINAL PIPE SIZE ACCOMMODATED	0.500 INCHES 2ND END
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED	0.625 INCHES 1ST END
THREAD SERIES DESIGNATOR	UNF 1ST END NPT 2ND END
NOMINAL THREAD SIZE	0.875 INCHES 1ST END 0.500 INCHES 2ND END
THREAD QUANTITY PER INCH	14 2ND END
THREAD CLASS	3A 1ST END
THREAD DIRECTION	RIGHT-HAND 1ST END RIGHT-HAND 2ND END
BONNET TYPE	INSIDE SPRING
BONNET ATTACHMENT METHOD	INTEGRAL
DISK LOADING METHOD	SPRING
OPENING PRESSURE SETTING	300.0 POUNDS PER SQUARE INCH
FEATURES PROVIDED	VALVE STEM LOCK SHIELD

Restrictions/Controls & Freight Information | NSN 4820-00-883-4550

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:	U	Precious 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	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	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 4820-00-883-4550

Category	Code	Description
Materiel Category and Inventory Manager	J	Ground Forces Support Materiel (DLA/GSA Items)
Appropriation and Budget Activity	2	Stock Fund Secondary Items
Management Inventory Segment	2	NONREPARABLE ITEMS (Exclusive of Insurance and Provisioning Items). This code will be used to identify items which are not reparable.
Specific Group/Generic Code	0	Medical Materiel
Weapons Systems/End Item or Homogeneous Group	00	DLA/GSA-Managed Items that cannot be identified to a specific Army Weapons Systems/End Item
Accounting Requirements Code	X	Expendable item. An item of Army property coded with an ARC of ?X? in the AMDF. Expendable items require no formal accountability after issue from a stock record account. Commercial and fabricated items similar to items coded ?X? in the AMDF are considered expendable items.
Source of Supply	SMS	Defense Logistics Agency Enterprise Business Systems
Agency	DA	Department of the Army
Service Organization	A	U.S. Army
Reparability	Z	This is a nonreparable item. If condemned or economically unserviceable, then dispose at the level authorized replace the item.
Acquisition Advice Codes	J	NOT 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 Code	U	UNCLASSIFIED
Shelf Life Code	0	Nondeteriorative
Purchasing	QTY UOM	1 EA : Each

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	SX	SX:AF SICA RESIDUAL MMAC-OC-ALC
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	J	NOT 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 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	J	NOT 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 Code	U	UNCLASSIFIED
Shelf Life Code	0	Nondeteriorative
Purchasing	QTY UOM	1 EA : Each