NSN 4820-00-657-1522 1624, 1624L, 00-657-1522
Product Details | VALVE SEAT
4820-00-657-1522 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: 1624, 1624L, 4820-00-657-1522, 00-657-1522, 4820006571522, 006571522
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | 01 JAN 1963 | 00-657-1522 | 22113 ( SEAT, VALVE ) |
Drawings & Photos | NSN 4820-00-657-1522
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Technical Data | NSN 4820-00-657-1522
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | B1 THREADED FLANGED |
| FLANGE DIAMETER | 1.750 INCHES NOMINAL |
| BODY INSIDE DIAMETER | 0.879 INCHES MINIMUM AND 0.880 INCHES MAXIMUM |
| FLANGE SEAT TO DISK END HEIGHT | 0.375 INCHES NOMINAL |
| UNDER FLANGE HEIGHT | 0.375 INCHES NOMINAL |
| MATERIAL | STEEL COMP 416 OVERALL |
| HARDNESS RATING | NOT RATED |
| SEATING SURFACE SHAPE | ANGULAR |
| SEAT ANGLE IN DEG | 58.000 NOMINAL |
| THREAD SERIES DESIGNATOR | UNEF SINGLE THREADED PORTION |
| NOMINAL THREAD SIZE | 1.500 INCHES SINGLE THREADED PORTION |
| THREAD CLASS | 2A SINGLE THREADED PORTION |
| THREAD LENGTH | 0.375 INCHES NOMINAL SINGLE THREADED PORTION |
| MANUFACTURERS CODE | 55378 |
| DESIGN CONTROL REFERENCE | 1624L |
Restrictions/Controls & Freight Information | NSN 4820-00-657-1522
| 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 |
|---|---|---|
| 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 | XX | |
| 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 4820-00-657-1522
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 | Z | INSURANCE/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 Code | U | UNCLASSIFIED |
| Shelf Life Code | 0 | Nondeteriorative |
| Purchasing | QTY UOM |
1 EA : Each |