Product Details | VALVE SEAT
4820-01-104-6770 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: 6859371, 4820-01-104-6770, 01-104-6770, 4820011046770, 011046770
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | 09 DEC 1980 | 01-104-6770 | 22113 ( SEAT, VALVE ) |
Drawings & Photos | NSN 4820-01-104-6770
Demand History | NSN 4820-01-104-6770
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NSNs for Compare ( up to 4 ): Add 4820-01-104-6770
Related Products | NSN 4820-01-104-6770
4820-01-104-7018, 4820-01-104-7207, 4820-01-104-7404, 4820-01-104-7406, 4820-01-104-7408
Technical Data | NSN 4820-01-104-6770
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | B7A PLAIN FLANGED |
| FLANGE DIAMETER | 1.122 INCHES MINIMUM AND 1.123 INCHES MAXIMUM |
| BODY OUTSIDE DIAMETER | 1.008 INCHES MINIMUM AND 1.012 INCHES MAXIMUM |
| FLANGE SEAT TO DISK END HEIGHT | 0.259 INCHES NOMINAL |
| UNDER FLANGE HEIGHT | 0.165 INCHES MINIMUM AND 0.170 INCHES MAXIMUM |
| BODY STEPPED INSIDE DIAMETER | 0.500 INCHES MINIMUM AND 0.505 INCHES MAXIMUM FIRST STEP 0.920 INCHES NOMINAL SECOND STEP 0.978 INCHES MINIMUM AND 0.983 INCHES MAXIMUM THIRD STEP |
| MATERIAL | STEEL OVERALL |
| HARDNESS RATING | 32.0 ROCKWELL C MINIMUM AND 36.0 ROCKWELL C MAXIMUM OVERALL |
| SEATING SURFACE SHAPE | RADIAL |
| SEAT RADIUS | 0.030 INCHES MINIMUM AND 0.040 INCHES MAXIMUM |
| III END ITEM IDENTIFICATION | T-56 ENGINE |
Restrictions/Controls & Freight Information | NSN 4820-01-104-6770
| Category | Code | Description |
|---|---|---|
| Shelf-Life Code: | 0 | Nondeteriorative |
| Hazardous Material Indicator Code | N | There is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials |
| Demilitarization Code: | A | Non-Munitions List Item/ Non-Strategic List Item - Demilitarization not required. |
| Controlled Inventory Item Code: | U | UNCLASSIFIED |
| Precious Metals Indicator Code: | A | Item 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 | ZA | Australia ZB ZC |
| 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 4820-01-104-6770
Navy| Category | Code | Description |
|---|---|---|
| Cognizance Codes | 9B | Navy-owned stocks of DLA material Naval Inventory Control Point, Mechanicsburg |
| Source of Supply | SMS | Defense Logistics Agency Enterprise Business Systems |
| Agency | DN | Department of the Navy |
| Service Organization | N | U.S. Navy |
| Acquisition Advice Codes | D | DoD INTEGRATED MATERIEL-MANAGED, STOCKED, AND ISSUED # Issue, transfer, or shipment is not subject to specialized controls other than those imposed by the Integrated Materiel Manager/Service supply policy. 1. The item is centrally managed, stocked, and issued. 2. Requisitions must contain the fund citation required to acquire the item. Requisitions will be submitted in accordance with Integrated Materiel Manager(IMM)/Service requisitioning procedures. |
| Controlled Item Code | U | UNCLASSIFIED |
| Shelf Life Code | 0 | Nondeteriorative | Purchasing | QTY UOM |
1 EA : Each |