NSN 4820-01-494-4251 5D87497001, 5D87497-001, 6511E91

Product Details | VALVE SEAT

4820-01-494-4251 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: 5D87497001, 5D87497-001, 6511E91, 6511E91FN7, 4820-01-494-4251, 01-494-4251, 4820014944251, 014944251

Valves | Valves, Nonpowered

Supply Group (FSG)	NSN Assign.	NIIN	Item Name Code (INC)
48	12 FEB 2002	01-494-4251	22113 ( SEAT, VALVE )

Part Number	Request Date	QTY	Origin
5D87497-001	2024-10-290	4	DIBBS
6511E91FN7	2024-10-290	4	DIBBS
5D87497-001	2024-09-254	1	DIBBS
6511E91FN7	2024-09-254	1	DIBBS
5D87497-001	2024-06-177	3	DIBBS
6511E91FN7	2024-06-177	3	DIBBS
5D87497-001	2024-05-134	20	DIBBS
6511E91FN7	2024-05-134	20	DIBBS
4820-01-494-4251	2024-03-80	4	DIBBS
5D87497-001	2021-06-159	8	DIBBS
6511E91FN7	2021-06-159	8	DIBBS
5D87497-001	2021-04-96	9	DIBBS
6511E91FN7	2021-04-96	9	DIBBS
5D87497-001	2020-10-288	3	DIBBS
6511E91FN7	2020-10-288	3	DIBBS
5D87497-001	2020-02-58	2	DIBBS
6511E91FN7	2020-02-58	2	DIBBS
5D87497-001	2019-12-339	1	DIBBS
6511E91FN7	2019-12-339	1	DIBBS
5D87497-001	2019-12-336	10	DIBBS
6511E91FN7	2019-12-336	10	DIBBS
5D87497-001	2019-10-295	2	DIBBS
6511E91FN7	2019-10-295	2	DIBBS
5D87497-001	2019-09-269	3	DIBBS
6511E91FN7	2019-09-269	3	DIBBS
5D87497-001	2019-07-212	1	DIBBS
6511E91FN7	2019-07-212	1	DIBBS
5D87497-001	2019-05-143	1	DIBBS
6511E91FN7	2019-05-143	1	DIBBS
4820-01-494-4251	2018-11-312	2	DIBBS
4820-01-494-4251	2018-10-277	3	DIBBS
4820-01-494-4251	2018-04-103	3	DIBBS
4820-01-494-4251	2018-03-63	3	DIBBS
4820-01-494-4251	2017-11-324	6	DIBBS
4820-01-494-4251	2017-09-248	2	DIBBS
4820-01-494-4251	2017-08-243	5	DIBBS
4820-01-494-4251	2017-08-235	3	DIBBS
4820-01-494-4251	2016-12-361	3	DIBBS
4820-01-494-4251	2016-11-333	2	DIBBS
4820-01-494-4251	2016-10-291	2	DIBBS
4820-01-494-4251	2016-10-279	2	DIBBS
4820-01-494-4251	2016-09-271	4	DIBBS
4820-01-494-4251	2016-08-244	4	DIBBS
4820-01-494-4251	2016-07-213	2	DIBBS
4820-01-494-4251	2010-07-195	4	DIBBS

Cross Reference | NSN 4820-01-494-4251

Part Number	Cage Code	Manufacturer
5D87497-001	90099	NORTHROP GRUMMAN SYSTEMS CORPORATION DBA NORTHROP GRUMMAN MARINE SYSTEMS
6511E91	90099	NORTHROP GRUMMAN SYSTEMS CORPORATION DBA NORTHROP GRUMMAN MARINE SYSTEMS
6511E91FN7	90099	NORTHROP GRUMMAN SYSTEMS CORPORATION DBA NORTHROP GRUMMAN MARINE SYSTEMS

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Related Products | NSN 4820-01-494-4251

4820-01-494-4260, 4820-01-494-4703, 4820-01-494-4827, 4820-01-494-4830, 4820-01-494-4920

Technical Data | NSN 4820-01-494-4251

Characteristic	Specifications
SPECIAL FEATURES	NEXT HIGHER ASSY.6512E10-001:NOZZLE BLOCK.
III END ITEM IDENTIFICATION	E/I:TURBINE CYLINDER ASSY. W/S: NUCLEAR REACTOR BOUNDRY.

Restrictions/Controls & Freight Information | NSN 4820-01-494-4251

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	AX	Defense Supply Center Columbus Columbus, OH 43216-5000
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 4820-01-494-4251

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