Product Details | VALVE SEAT

4820-00-909-9577 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: 1104272, 110427-2, 4820-00-909-9577, 00-909-9577, 4820009099577, 009099577

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 01 JAN 1960 00-909-9577

Drawings & Photos | NSN 4820-00-909-9577


Cross Reference | NSN 4820-00-909-9577

Part Number Cage Code Manufacturer
110427-2 59364 HONEYWELL INTERNATIONAL INC. DBA HONEYWELL
110427-2 70210 HONEYWELL INTERNATIONAL INC. DBA HONEYWELL
110427-2 72599 ALLIEDSIGNAL INC DBA ALLIED-SIGNAL AEROSPACE CO
110427-2 99193 HONEYWELL INTERNATIONAL INC. DBA HONEYWELL

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Technical Data | NSN 4820-00-909-9577

Characteristic Specifications
STYLE DESIGNATOR A3A FAUCET
FLANGE DIAMETER 0.579 INCHES MINIMUM AND 0.584 INCHES MAXIMUM
FLANGE SEAT TO DISK END HEIGHT 0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM
UNDER FLANGE HEIGHT 0.910 INCHES NOMINAL
BODY STEPPED INSIDE DIAMETER 0.117 INCHES MINIMUM AND 0.118 INCHES MAXIMUM FIRST STEP 0.200 INCHES MINIMUM AND 0.205 INCHES MAXIMUM SECOND STEP 0.311 INCHES MINIMUM AND 0.317 INCHES MAXIMUM THIRD STEP 0.339 INCHES MINIMUM AND 0.343 INCHES MAXIMUM FOURTH STEP
MATERIAL STEEL COMP 303 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION MIL-S-7720 COND B MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
HARDNESS RATING 35.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL
SEATING SURFACE SHAPE FLAT
THREAD SERIES DESIGNATOR UNS SINGLE THREADED PORTION
NOMINAL THREAD SIZE 0.625 INCHES SINGLE THREADED PORTION
THREAD QUANTITY PER INCH 36 SINGLE THREADED PORTION
(NON-CORE DATA) THREAD PITCH DIAMETERS IN INCHES 0.6042 TO 0.6070 SINGLE THREADED PORTION
THREAD LENGTH 0.650 INCHES NOMINAL SINGLE THREADED PORTION
MANUFACTURERS CODE 59364
DESIGN CONTROL REFERENCE 110427-2

Restrictions/Controls & Freight Information | NSN 4820-00-909-9577

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 XX
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 4820-00-909-9577

Category Code Description
Budget Code9 General Support DIV57X4921.070:Air Force decentrally managed expense items (ERRC XB3, XF-3) with a unit cost of less than $250,000 that are requisitioned/procured at base (retail) level from DLA, GSA, Army, Navy, Depot Maintenance Service, Air Force Industrial Fund (AFMC), local manufacture and commercial vendors.
Price ValidationN The current standard price in Catalog Management Data (CMD) has not analyzed or coded for LP/LM.
  • The price has not been analyzed or reviewed for accuracy.
  • ZOP or Standard price challenges are permissible, but must be supported with adequate justification. However, if coded for Local Purchase (LP) or Fabrication/Manufacture as indicated with an (LM) Acquisition Advice Code of ?L? or?F?,the case must be evaluated locally where purchased or fabricated.
Fund CodeSFStock fund applicable to items managed for the Air Force by the respective Inventory Control Point.
Materiel Management Aggregation CodeTPSX:"TEMPERATURE AND PRESSURE CONTROLS, AIRCRAFT"
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDFDepartment of the Air Force
Service OrganizationFU.S. Air Force
ReparabilityNStock Fund (except Munitions)
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
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