Product Details | VALVE SEAT

4820-01-444-2581 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: A046200, A046200 1.50IN IT2, A046200 1.5IN ITEM 2, A046200150INIT2, A04620015INITEM2, FIG 18S-FS2 1.50 IN ITEM 2, FIG18SFS2150INITEM2, 4820-01-444-2581, 01-444-2581, 4820014442581, 014442581

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 02 MAY 1997 01-444-2581

Drawings & Photos | NSN 4820-01-444-2581


Demand History | NSN 4820-01-444-2581

Part Number Request Date QTY Origin
A046200 1.50IN IT2 2026-01-26 92 DIBBS
FIG 18S-FS2 1.50 IN ITEM 2 2026-01-26 92 DIBBS
A046200 1.50IN IT2 2026-01-14 92 DIBBS
FIG 18S-FS2 1.50 IN ITEM 2 2026-01-14 92 DIBBS
A046200 1.50IN IT2 2025-09-269 92 DIBBS
FIG 18S-FS2 1.50 IN ITEM 2 2025-09-269 92 DIBBS
A046200 1.50IN IT2 2025-09-258 92 DIBBS
FIG 18S-FS2 1.50 IN ITEM 2 2025-09-258 92 DIBBS
A046200 1.50IN IT2 2025-09-245 20 DIBBS
FIG 18S-FS2 1.50 IN ITEM 2 2025-09-245 20 DIBBS
A046200 1.50IN IT2 2025-08-233 20 DIBBS
FIG 18S-FS2 1.50 IN ITEM 2 2025-08-233 20 DIBBS
A046200 1.50IN IT2 2025-04-111 72 DIBBS
FIG 18S-FS2 1.50 IN ITEM 2 2025-04-111 72 DIBBS
A046200 1.50IN IT2 2025-04-100 72 DIBBS
FIG 18S-FS2 1.50 IN ITEM 2 2025-04-100 72 DIBBS
A046200 1.50IN IT2 2024-10-290 93 DIBBS
FIG 18S-FS2 1.50 IN ITEM 2 2024-10-290 93 DIBBS
A046200 1.50IN IT2 2024-05-134 134 DIBBS
FIG 18S-FS2 1.50 IN ITEM 2 2024-05-134 134 DIBBS
A046200 1.50IN IT2 2024-05-123 134 DIBBS
FIG 18S-FS2 1.50 IN ITEM 2 2024-05-123 134 DIBBS
A046200 1.50IN IT2 2023-12-345 78 DIBBS
FIG 18S-FS2 1.50 IN ITEM 2 2023-12-345 78 DIBBS
A046200 1.50IN IT2 2023-11-334 78 DIBBS
FIG 18S-FS2 1.50 IN ITEM 2 2023-11-334 78 DIBBS
A046200 1.50IN IT2 2023-06-176 31 DIBBS
FIG 18S-FS2 1.50 IN ITEM 2 2023-06-176 31 DIBBS
A046200 1.50IN IT2 2023-04-96 41 DIBBS
FIG 18S-FS2 1.50 IN ITEM 2 2023-04-96 41 DIBBS
A046200 1.50IN IT2 2022-11-319 31 DIBBS
FIG 18S-FS2 1.50 IN ITEM 2 2022-11-319 31 DIBBS
A046200 1.50IN IT2 2022-03-73 26 DIBBS
FIG 18S-FS2 1.50 IN ITEM 2 2022-03-73 26 DIBBS
A046200 1.50IN IT2 2020-12-345 26 DIBBS
FIG 18S-FS2 1.50 IN ITEM 2 2020-12-345 26 DIBBS
A046200 1.50IN IT2 2020-10-302 23 DIBBS
FIG 18S-FS2 1.50 IN ITEM 2 2020-10-302 23 DIBBS
A046200 1.50IN IT2 2019-04-108 34 DIBBS
FIG 18S-FS2 1.50 IN ITEM 2 2019-04-108 34 DIBBS
A046200 1.50IN IT2 2019-02-45 34 DIBBS
FIG 18S-FS2 1.50 IN ITEM 2 2019-02-45 34 DIBBS
4820-01-444-2581 2010-01-05 14 DIBBS
4820-01-444-2581 2009-07-189 21 DIBBS

Cross Reference | NSN 4820-01-444-2581

Part Number Cage Code Manufacturer
A046200 61661 NEWMANS INC NEW JERSEY DIV
A046200 1.50IN IT2 61661 NEWMANS INC NEW JERSEY DIV
A046200 1.5IN ITEM 2 1V334 KEY INDUSTRIES INC DBA LIBERTY EQUIPMENT AND SUPPLY CO
FIG 18S-FS2 1.50 IN ITEM 2 61661 NEWMANS INC NEW JERSEY DIV

Request a Quote

What Our Customers Say

Compare

NSNs for Compare ( up to 4 ): Add 4820-01-444-2581

Technical Data | NSN 4820-01-444-2581

Characteristic Specifications
STYLE DESIGNATOR B12 PLAIN FLANGED
MATERIAL STEEL COMP 410 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION ASTM A276 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SPECIAL FEATURES STELLITE HARDFACED
III END ITEM IDENTIFICATION 3930-01-417-2886; STRATEGIC SEALIFT CONVERSION SHIPS CLASS

Restrictions/Controls & Freight Information | NSN 4820-01-444-2581

Category Code Description
Shelf-Life Code:0Nondeteriorative
Hazardous Material Indicator CodeNThere is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Demilitarization Code:ANon-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Controlled Inventory Item Code:UUNCLASSIFIED
Precious Metals Indicator Code:AItem 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:0Represents 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 4820-01-444-2581

Category Code Description
Cognizance Codes9BNavy-owned stocks of DLA material
Naval Inventory Control Point, Mechanicsburg
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDNDepartment of the Navy
Service OrganizationNU.S. Navy
Acquisition Advice CodesZINSURANCE/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 CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each