NSN 4820-00-257-5196 2618581, 2618581P1, 00-257-5196
Product Details | VALVE SEAT
4820-00-257-5196 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: 2618581, 2618581P1, 4820-00-257-5196, 00-257-5196, 4820002575196, 002575196
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | 29 JUN 1973 | 00-257-5196 | 22113 ( SEAT, VALVE ) |
Drawings & Photos | NSN 4820-00-257-5196
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Technical Data | NSN 4820-00-257-5196
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | B10 PLAIN FLANGED |
| FLANGE DIAMETER | 0.372 INCHES MINIMUM AND 0.373 INCHES MAXIMUM |
| BODY OUTSIDE DIAMETER | 0.372 INCHES MINIMUM AND 0.373 INCHES MAXIMUM |
| BODY INSIDE DIAMETER | 0.188 INCHES NOMINAL |
| FLANGE SEAT TO DISK END HEIGHT | 0.215 INCHES MINIMUM AND 0.235 INCHES MAXIMUM |
| UNDER FLANGE HEIGHT | 0.149 INCHES MINIMUM AND 0.159 INCHES MAXIMUM |
| MATERIAL | STEEL COMP 440C OVERALL |
| SURFACE TREATMENT | PASSIVATE OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| HARDNESS RATING | 58.0 ROCKWELL C MINIMUM AND 60.0 ROCKWELL C MAXIMUM BODY 58.0 ROCKWELL C MINIMUM AND 60.0 ROCKWELL C MAXIMUM FACE |
| SEATING SURFACE SHAPE | FLAT |
| SEAL ACCOMMODATION TYPE | GROOVED |
| MANUFACTURERS CODE | 10001 |
| DESIGN CONTROL REFERENCE | 2618581 |
Restrictions/Controls & Freight Information | NSN 4820-00-257-5196
| 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. |
| Automatic Data Processing Equipment: | 0 | Represents 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 | 736 | unknown |
| Originating Activity Code | HH | Navy ICP Mechanicsburg, PA 17055-0788 |
| Air Dimension Code | A | Shipment is not a consolidation and does not exceed 72 inches in any dimension. |
| Air Commodity | E | Engineer supplies, other than those listed under code B. |
| 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 4820-00-257-5196
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 | J | NOT STOCKED, CENTRALLY PROCURED # (NON-STOCKED ITEMS) IMM/Service centrally managed but not stocked item. Procurement will be initiated only after receipt of a requisition. |
| Controlled Item Code | U | UNCLASSIFIED |
| Shelf Life Code | 0 | Nondeteriorative |
| Purchasing | QTY UOM |
1 EA : Each |