Product Details | VALVE SEAT

4820-01-202-6339 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: 755936, 7559367, 4820-01-202-6339, 01-202-6339, 4820012026339, 012026339

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 05 MAR 1985 01-202-6339

Drawings & Photos | NSN 4820-01-202-6339


Demand History | NSN 4820-01-202-6339

Part Number Request Date QTY Origin
755936 2024-03-81 4 DIBBS
7559367 2024-03-81 4 DIBBS
755936 2024-01-04 7 DIBBS
7559367 2024-01-04 7 DIBBS
755936 2023-10-282 7 DIBBS
7559367 2023-10-282 7 DIBBS
755936 2023-06-159 7 DIBBS
7559367 2023-06-159 7 DIBBS
755936 2023-04-96 5 DIBBS
7559367 2023-04-96 5 DIBBS
755936 2022-07-188 6 DIBBS
7559367 2022-07-188 6 DIBBS
755936 2019-10-297 18 DIBBS
7559367 2019-10-297 18 DIBBS
755936 2019-07-207 3 DIBBS
7559367 2019-07-207 3 DIBBS
755936 2019-04-101 16 DIBBS
7559367 2019-04-101 16 DIBBS
4820-01-202-6339 2018-05-151 13 DIBBS
4820-01-202-6339 2018-03-88 7 DIBBS

Cross Reference | NSN 4820-01-202-6339

Part Number Cage Code Manufacturer
755936 31340 THE BIRKEN MANUFACTURING COMPANY
755936 3V183 LEWIS MACHINE, LLC
755936 77445 UNITED TECHNOLOGIES CORPORATION DBA PRATT WHITNEY-SPARE PARTS
7559367 33617 ELECTRO-METHODS INC

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Technical Data | NSN 4820-01-202-6339

Characteristic Specifications
STYLE DESIGNATOR B9 PLAIN FLANGED
FLANGE DIAMETER 2.492 INCHES NOMINAL
BODY OUTSIDE DIAMETER 1.2335 INCHES NOMINAL
BODY INSIDE DIAMETER 0.246 INCHES NOMINAL
FLANGE SEAT TO DISK END HEIGHT 0.335 INCHES NOMINAL
UNDER FLANGE HEIGHT 2.585 INCHES NOMINAL
MATERIAL STEEL CORROSION RESISTING OVERALL
HARDNESS RATING 35.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL
SEATING SURFACE SHAPE RADIAL
SEAT RADIUS 0.125 INCHES NOMINAL
III END ITEM IDENTIFICATION ACFT ENG TF33

Restrictions/Controls & Freight Information | NSN 4820-01-202-6339

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 594 unknown
Originating Activity Code SX Oklahoma City Air Logistics Center
Tinker AFB, OK 73145-3043
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 4820-01-202-6339

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.
Materiel Management Aggregation CodeRVSX:PRATT & WHITNEY JET ENGINES & COMPONENTS TF-33
Fund CodeSFStock fund applicable to items managed for the Air Force by the respective Inventory Control Point.
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