NSN 4820-00-116-9781 21241, 00-116-9781, 001169781
Product Details | VALVE SEAT
4820-00-116-9781 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: 21241, 4820-00-116-9781, 00-116-9781, 4820001169781, 001169781
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | 04 OCT 1968 | 00-116-9781 | 22113 ( SEAT, VALVE ) |
Drawings & Photos | NSN 4820-00-116-9781
Cross Reference | NSN 4820-00-116-9781
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 21241 | 35795 | LESLIE CONTROLS, INC. |
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Technical Data | NSN 4820-00-116-9781
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | B1 THREADED FLANGED |
| FLANGE DIAMETER | 6.875 INCHES NOMINAL |
| BODY INSIDE DIAMETER | 4.000 INCHES NOMINAL |
| FLANGE SEAT TO DISK END HEIGHT | 0.094 INCHES NOMINAL |
| UNDER FLANGE HEIGHT | 0.813 INCHES NOMINAL |
| MATERIAL | STEEL OVERALL |
| HARDNESS RATING | NOT RATED |
| SEATING SURFACE SHAPE | FLAT |
| THREAD SERIES DESIGNATOR | UNS SINGLE THREADED PORTION |
| NOMINAL THREAD SIZE | 6.500 INCHES SINGLE THREADED PORTION |
| THREAD QUANTITY PER INCH | 14 SINGLE THREADED PORTION |
| THREAD CLASS | 2A SINGLE THREADED PORTION |
| THREAD LENGTH | 0.750 INCHES NOMINAL SINGLE THREADED PORTION |
| SPECIAL FEATURES | TWO EARS 0.750 IN. LG,0.500 IN.THK,0.500 IN. TALL,180 DEG APART |
Restrictions/Controls & Freight Information | NSN 4820-00-116-9781
| 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: | U | Precious metal type is unknown |
| 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 |
|---|---|---|
| No Freight Information | ||
Management | NSN 4820-00-116-9781
Navy| Category | Code | Description |
|---|---|---|
| Cognizance Codes | 9C | Navy-owned stocks of defense construction material Naval Inventory Control Point, Mechanicsburg |
| Source of Supply | S9C | Defense Supply Center Columbus Columbus, OH 43215 |
| Agency | DN | Department of the Navy |
| Service Organization | N | U.S. Navy |
| Acquisition Advice Codes | Y | TERMINAL ITEM #(NON-STOCKED ITEMS) Future procurement is not authorized. No wholesale stock is available for issue. 1. Requisitions will not be processed to the wholesale manager. 2. Internal Service/agency requisitioning may be continued in accordance with the Service/agency requisitioning policies. |
| Controlled Item Code | U | UNCLASSIFIED |
| Shelf Life Code | 0 | Nondeteriorative |
| Purchasing | QTY UOM |
1 EA : Each |