NSN 4820-00-956-1413 587551, 587-551, 60587PC551

Product Details | VALVE SEAT

4820-00-956-1413 A replaceable item designed to provide a stationary seating surface for a mating, moveable item such as a valve disk or the like. The body may have a flange of various shapes. For diesel and gasoline reciprocating engines, see INSERT, ENGINE VALVE SEAT.20248100015Valves, Powered48200018Valves, Nonpowered

Part Alternates: 587551, 587-551, 60587PC551, 60-587PC551, 60606PC551, 60-606PC551, 60649PC551, 60-649PC551, 60656PC551, 60-656PC551, 4820-00-956-1413, 00-956-1413, 4820009561413, 009561413

Valves | Valves, Nonpowered

Supply Group (FSG)	NSN Assign.	NIIN	Item Name Code (INC)
48	11 MAY 1966	00-956-1413	22113 ( SEAT, VALVE )

Part Number	Request Date	QTY	Origin
587-551	2026-01-08	4	DIBBS
587-551	2025-10-287	3	DIBBS
587-551	2025-05-122	14	DIBBS
587-551	2025-04-104	14	DIBBS
587-551	2025-04-93	7	DIBBS
587-551	2025-03-82	7	DIBBS
587-551	2023-12-359	5	DIBBS
587-551	2023-12-345	5	DIBBS
587-551	2023-08-241	2	DIBBS
587-551	2023-08-229	2	DIBBS
587-551	2021-07-183	2	DIBBS
60-587PC551	2021-07-183	2	DIBBS
60-606PC551	2021-07-183	2	DIBBS
60-649PC551	2021-07-183	2	DIBBS
60-656PC551	2021-07-183	2	DIBBS
587-551	2021-06-172	2	DIBBS
60-587PC551	2021-06-172	2	DIBBS
60-606PC551	2021-06-172	2	DIBBS
60-649PC551	2021-06-172	2	DIBBS
60-656PC551	2021-06-172	2	DIBBS
587-551	2020-10-294	1	DIBBS
60-587PC551	2020-10-294	1	DIBBS
60-606PC551	2020-10-294	1	DIBBS
60-649PC551	2020-10-294	1	DIBBS
60-656PC551	2020-10-294	1	DIBBS
587-551	2020-02-58	1	DIBBS
60-587PC551	2020-02-58	1	DIBBS
60-606PC551	2020-02-58	1	DIBBS
60-649PC551	2020-02-58	1	DIBBS
60-656PC551	2020-02-58	1	DIBBS
587-551	2020-01-09	1	DIBBS
60-587PC551	2020-01-09	1	DIBBS
60-606PC551	2020-01-09	1	DIBBS
60-649PC551	2020-01-09	1	DIBBS
60-656PC551	2020-01-09	1	DIBBS
4820-00-956-1413	2014-10-281	2	DIBBS
4820-00-956-1413	2014-01-30	2	DIBBS
4820-00-956-1413	2013-10-304	2	DIBBS
4820-00-956-1413	2013-04-115	2	DIBBS

Cross Reference | NSN 4820-00-956-1413

Part Number	Cage Code	Manufacturer
587-551	27235	HARDIE-TYNES CO., INC.
60-587PC551	27235	HARDIE-TYNES CO., INC.
60-606PC551	27235	HARDIE-TYNES CO., INC.
60-649PC551	27235	HARDIE-TYNES CO., INC.
60-656PC551	27235	HARDIE-TYNES CO., INC.

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Related Products | NSN 4820-00-956-1413

4820-00-956-1426, 4820-00-956-1477, 4820-00-956-1486, 4820-00-956-1542, 4820-00-956-1575

Technical Data | NSN 4820-00-956-1413

Characteristic	Specifications
BODY OUTSIDE DIAMETER	2.491 INCHES MINIMUM AND 2.492 INCHES MAXIMUM
BODY INSIDE DIAMETER	1.557 INCHES MINIMUM AND 1.567 INCHES MAXIMUM
MATERIAL	STEEL BODY COBALT ALLOY FACE
MATERIAL DOCUMENT AND CLASSIFICATION	17-4PH,ARMCO STEEL CORP MFR REF SINGLE MATERIAL RESPONSE BODY MIL-R-17131,TYPE MIL-RCOCR-A MIL SPEC SINGLE MATERIAL RESPONSE FACE
HARDNESS RATING	NOT RATED
SEATING SURFACE SHAPE	ANGULAR
SEAT ANGLE IN DEG	45.000 NOMINAL
SEAL ACCOMMODATION TYPE	RECESSED
MANUFACTURERS CODE	27235
DESIGN CONTROL REFERENCE	587-551

Restrictions/Controls & Freight Information | NSN 4820-00-956-1413

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.

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	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	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 4820-00-956-1413

Navy

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	Z	INSURANCE/NUMERIC STOCKAGE OBJECTIVE ITEM # Items which may be required occasionally or intermittently, and prudence requires that a nominal quantity of materiel be stocked due to the essentiality or the lead time of the item. 1. The item is centrally managed, stocked, and issued. 2. Requisitions will be submitted in accordance with IMM/Service requisitioning procedures.
Controlled Item Code	U	UNCLASSIFIED
Shelf Life Code	0	Nondeteriorative
Purchasing	QTY UOM	1 EA : Each