NSN 4810-00-253-3904 TV5439, V5439E, 00-253-3904
Product Details | VALVE SEAT
4810-00-253-3904 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: TV5439, V5439E, 4810-00-253-3904, 00-253-3904, 4810002533904, 002533904
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | 16 JUL 1969 | 00-253-3904 | 22113 ( SEAT, VALVE ) |
Drawings & Photos | NSN 4810-00-253-3904
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Technical Data | NSN 4810-00-253-3904
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | B1 THREADED FLANGED |
| FLANGE DIAMETER | 3.380 INCHES NOMINAL |
| FLANGE SEAT TO DISK END HEIGHT | 0.187 INCHES NOMINAL |
| UNDER FLANGE HEIGHT | 0.378 INCHES NOMINAL |
| MATERIAL | STEEL OVERALL |
| SURFACE TREATMENT | PASSIVATE OVERALL |
| HARDNESS RATING | NOT RATED |
| SEATING SURFACE SHAPE | ANGULAR |
| MANUFACTURERS CODE | 86184 |
| DESIGN CONTROL REFERENCE | V5439E |
Restrictions/Controls & Freight Information | NSN 4810-00-253-3904
| 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 4810-00-253-3904
Navy| Category | Code | Description |
|---|---|---|
| Cognizance Codes | 9V | Navy-owned stocks of material managed by the Air Force within the San Antonio Air Logistics Center Naval Inventory Control Point, Mechanicsburg |
| Source of Supply | FPZ | San Antonio Air Logistics Center Kelly AFB, TX 78241-5000 |
| 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 |