Product Details | VALVE SEAT

4820-01-128-2295 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: 10124577 , 45245, 4820-01-128-2295, 01-128-2295, 4820011282295, 011282295

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 18 MAR 1982 01-128-2295

Drawings & Photos | NSN 4820-01-128-2295


Demand History | NSN 4820-01-128-2295

Part Number Request Date QTY Origin
4820-01-128-2295 2017-11-309 6 DIBBS
4820-01-128-2295 2016-03-71 6 DIBBS
4820-01-128-2295 2016-02-59 6 DIBBS
4820-01-128-2295 2014-06-170 4 DIBBS
4820-01-128-2295 2014-06-159 4 DIBBS
4820-01-128-2295 2014-04-113 5 DIBBS
4820-01-128-2295 2012-06-153 2 DIBBS

Cross Reference | NSN 4820-01-128-2295

Part Number Cage Code Manufacturer
45245 06177 PNEUDRAULICS, INC.

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Technical Data | NSN 4820-01-128-2295

Characteristic Specifications
STYLE DESIGNATOR B7A PLAIN FLANGED
FLANGE DIAMETER 0.923 INCHES NOMINAL
BODY OUTSIDE DIAMETER 0.747 INCHES NOMINAL
FLANGE SEAT TO DISK END HEIGHT 0.295 INCHES NOMINAL
UNDER FLANGE HEIGHT 0.315 INCHES NOMINAL
BODY STEPPED INSIDE DIAMETER 0.790 INCHES NOMINAL SECOND STEP 0.860 INCHES NOMINAL THIRD STEP
MATERIAL STEEL COMP 440C OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT PASSIVATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION MCAIR PS 13001 MFR REF SINGLE TREATMENT RESPONSE OVERALL
HARDNESS RATING 57.0 ROCKWELL C MINIMUM AND 60.0 ROCKWELL C MAXIMUM OVERALL
SEATING SURFACE SHAPE ANGULAR
SEAT ANGLE IN DEG 45.000 NOMINAL

Restrictions/Controls & Freight Information | NSN 4820-01-128-2295

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.
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 576 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 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 4820-01-128-2295

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