Product Details | VALVE SEAT

4820-00-956-1477 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: 591607, 591-607, 60591PC607, 60-591PC607, 60773PC607, 60-773PC607, 4820-00-956-1477, 00-956-1477, 4820009561477, 009561477

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 11 MAY 1966 00-956-1477

Drawings & Photos | NSN 4820-00-956-1477


Demand History | NSN 4820-00-956-1477

Part Number Request Date QTY Origin
591-607 2025-05-129 5 DIBBS
60-591PC607 2025-05-129 5 DIBBS
60-773PC607 2025-05-129 5 DIBBS
591-607 2025-04-103 5 DIBBS
60-591PC607 2025-04-103 5 DIBBS
60-773PC607 2025-04-103 5 DIBBS
591-607 2025-04-100 7 DIBBS
60-591PC607 2025-04-100 7 DIBBS
60-773PC607 2025-04-100 7 DIBBS
591-607 2025-04-99 3 DIBBS
60-591PC607 2025-04-99 3 DIBBS
60-773PC607 2025-04-99 3 DIBBS
591-607 2025-03-89 7 DIBBS
60-591PC607 2025-03-89 7 DIBBS
60-773PC607 2025-03-89 7 DIBBS
591-607 2025-03-82 3 DIBBS
60-591PC607 2025-03-82 3 DIBBS
60-773PC607 2025-03-82 3 DIBBS
591-607 2024-08-235 7 DIBBS
60-591PC607 2024-08-235 7 DIBBS
60-773PC607 2024-08-235 7 DIBBS
591-607 2024-01-11 7 DIBBS
60-591PC607 2024-01-11 7 DIBBS
60-773PC607 2024-01-11 7 DIBBS
591-607 2021-12-336 10 DIBBS
60-591PC607 2021-12-336 10 DIBBS
60-773PC607 2021-12-336 10 DIBBS
591-607 2021-11-325 10 DIBBS
60-591PC607 2021-11-325 10 DIBBS
60-773PC607 2021-11-325 10 DIBBS
591-607 2021-03-74 2 DIBBS
60-591PC607 2021-03-74 2 DIBBS
60-773PC607 2021-03-74 2 DIBBS
591-607 2021-03-63 2 DIBBS
60-591PC607 2021-03-63 2 DIBBS
60-773PC607 2021-03-63 2 DIBBS
591-607 2020-11-314 8 DIBBS
60-591PC607 2020-11-314 8 DIBBS
60-773PC607 2020-11-314 8 DIBBS
591-607 2020-10-303 8 DIBBS
60-591PC607 2020-10-303 8 DIBBS
60-773PC607 2020-10-303 8 DIBBS
591-607 2020-08-223 2 DIBBS
60-591PC607 2020-08-223 2 DIBBS
60-773PC607 2020-08-223 2 DIBBS
591-607 2020-07-211 2 DIBBS
60-591PC607 2020-07-211 2 DIBBS
60-773PC607 2020-07-211 2 DIBBS
591-607 2020-07-208 3 DIBBS
60-591PC607 2020-07-208 3 DIBBS
60-773PC607 2020-07-208 3 DIBBS
591-607 2020-01-27 15 DIBBS
60-591PC607 2020-01-27 15 DIBBS
60-773PC607 2020-01-27 15 DIBBS
591-607 2020-01-16 15 DIBBS
60-591PC607 2020-01-16 15 DIBBS
60-773PC607 2020-01-16 15 DIBBS
4820-00-956-1477 2017-04-110 6 DIBBS
4820-00-956-1477 2015-07-200 7 DIBBS
4820-00-956-1477 2012-08-229 2 DIBBS

Cross Reference | NSN 4820-00-956-1477

Part Number Cage Code Manufacturer
591-607 27235 HARDIE-TYNES CO., INC.
60-591PC607 27235 HARDIE-TYNES CO., INC.
60-773PC607 27235 HARDIE-TYNES CO., INC.

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Technical Data | NSN 4820-00-956-1477

Characteristic Specifications
STYLE DESIGNATOR B14 PLAIN FLANGED
FLANGE DIAMETER 2.805 INCHES MINIMUM AND 2.810 INCHES MAXIMUM
BODY OUTSIDE DIAMETER 2.315 INCHES MINIMUM AND 2.320 INCHES MAXIMUM
BODY INSIDE DIAMETER 1.374 INCHES MINIMUM AND 1.375 INCHES MAXIMUM
FLANGE SEAT TO DISK END HEIGHT 0.752 INCHES MINIMUM AND 0.755 INCHES MAXIMUM
UNDER FLANGE HEIGHT 0.183 INCHES MINIMUM AND 0.186 INCHES MAXIMUM
MATERIAL STEEL BODY COBALT ALLOY FACE
MATERIAL DOCUMENT AND CLASSIFICATION QQ-S-763,CLASS 410 FED SPEC SINGLE MATERIAL RESPONSE BODY MIL-R-17131,TYPE MIL-RCOCR-A MIL SPEC SINGLE MATERIAL RESPONSE FACE
HARDNESS RATING NOT RATED
SEATING SURFACE SHAPE FLAT
MANUFACTURERS CODE 27235
DESIGN CONTROL REFERENCE 60-591PC607

Restrictions/Controls & Freight Information | NSN 4820-00-956-1477

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 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 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 4820-00-956-1477

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