Product Details | VALVE SEAT

4820-01-045-1758 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: A7410.002.127, A7410002127, A7410-002-127, A7410002127CP, A7410-002-127CP, 8610 PIECE 4 1/4IN, 8610 PIECE 4 1/4INCP, 8610PIECE414IN, 8610PIECE414INCP, 4820-01-045-1758, 01-045-1758, 4820010451758, 010451758

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 28 JUL 1977 01-045-1758

Drawings & Photos | NSN 4820-01-045-1758


Demand History | NSN 4820-01-045-1758

Part Number Request Date QTY Origin
4820-01-045-1758 2025-01-16 9 DIBBS
4820-01-045-1758 2021-11-328 7 DIBBS
4820-01-045-1758 2018-12-351 8 DIBBS
4820-01-045-1758 2018-12-339 8 DIBBS
4820-01-045-1758 2015-11-322 6 DIBBS
4820-01-045-1758 2012-03-67 3 DIBBS
4820-01-045-1758 2011-09-271 3 DIBBS
4820-01-045-1758 2011-08-238 2 DIBBS
4820-01-045-1758 2011-05-136 4 DIBBS
4820-01-045-1758 2009-05-151 2 DIBBS
4820-01-045-1758 2009-01-30 2 DIBBS

Cross Reference | NSN 4820-01-045-1758

Part Number Cage Code Manufacturer
8610 PIECE 4 1/4IN 01343 ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
8610 PIECE 4 1/4IN 15187 PENTAIR VALVES & CONTROLS US LP DBA NAVY PRODUCT TEAM
8610 PIECE 4 1/4INCP 03950 NAVAL INVENTORY CONTROL POINT MECHANICSBURG
A7410-002-127 01343 ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
A7410-002-127 15187 PENTAIR VALVES & CONTROLS US LP DBA NAVY PRODUCT TEAM
A7410-002-127CP 03950 NAVAL INVENTORY CONTROL POINT MECHANICSBURG
A7410.002.127 01343 ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY

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Technical Data | NSN 4820-01-045-1758

Characteristic Specifications
STYLE DESIGNATOR B5 PLAIN THREADED
OVERALL HEIGHT 1.250 INCHES NOMINAL
BODY INSIDE DIAMETER 0.750 INCHES NOMINAL
MATERIAL NICKEL ALLOY OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
HARDNESS RATING NOT RATED
THREAD SERIES DESIGNATOR UNEF SINGLE THREADED PORTION
NOMINAL THREAD SIZE 1.125 INCHES SINGLE THREADED PORTION
THREAD CLASS 2A SINGLE THREADED PORTION
THREAD LENGTH 1.000 INCHES NOMINAL SINGLE THREADED PORTION
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS CLEANED IN ACCORDANCE WITH MIL-P-5221/CE/
CRITICALITY CODE JUSTIFICATION ZZZY
MANUFACTURERS CODE 15187
DESIGN CONTROL REFERENCE A7410-002-127

Restrictions/Controls & Freight Information | NSN 4820-01-045-1758

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:SThe item is a non-aviation Critical Safety Item (CSI) whose failure will result in serious damage to equipment or serious injury or death to personnel.
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 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 4820-01-045-1758

Category Code Description
Cognizance Codes9BNavy-owned stocks of DLA material
Naval Inventory Control Point, Mechanicsburg
Special Material IDCPAn item that requires special cleaning and packaging for oxygen/nitrogen service (e.g, valves, piping systems, generators).
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