NSN 4820-01-218-3418 3169703, 31697031, 3169703-1
Product Details | VALVE SEAT
4820-01-218-3418 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: 3169703, 31697031, 3169703-1, 4820-01-218-3418, 01-218-3418, 4820012183418, 012183418
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | 10 OCT 1985 | 01-218-3418 | 22113 ( SEAT, VALVE ) |
Drawings & Photos | NSN 4820-01-218-3418
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Technical Data | NSN 4820-01-218-3418
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | B7 PLAIN FLANGED |
| FLANGE DIAMETER | 1.390 INCHES MINIMUM AND 1.400 INCHES MAXIMUM |
| BODY OUTSIDE DIAMETER | 1.245 INCHES MINIMUM AND 1.255 INCHES MAXIMUM |
| BODY INSIDE DIAMETER | 0.750 INCHES NOMINAL |
| FLANGE SEAT TO DISK END HEIGHT | 0.180 INCHES MINIMUM AND 0.200 INCHES MAXIMUM |
| UNDER FLANGE HEIGHT | 0.040 INCHES MINIMUM AND 0.080 INCHES MAXIMUM |
| MATERIAL | PLASTIC POLYAMIDE OVERALL |
| HARDNESS RATING | NOT RATED |
| SEATING SURFACE SHAPE | ANGULAR |
| SEAT ANGLE IN DEG | 60.000 MINIMUM AND 61.000 MAXIMUM |
Restrictions/Controls & Freight Information | NSN 4820-01-218-3418
| 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 | AX | Defense Supply Center Columbus Columbus, OH 43216-5000 |
| 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 4820-01-218-3418
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 | V | TERMINAL ITEM # Identifies items in stock, but future procurement is not authorized. Requisitions may continue to be submitted until stocks are exhausted. Preferred item National Stock Number is normally provided by application of the phrase: When Exhausted Use (NSN). Requisitions will be submitted in accordance with IMM/Service requisitioning procedures as applicable. |
| Controlled Item Code | U | UNCLASSIFIED |
| Shelf Life Code | 0 | Nondeteriorative |