NSN 4820-00-872-5276 42121, 00-872-5276, 008725276
Product Details | VALVE SEAT
4820-00-872-5276 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: 42121, 4820-00-872-5276, 00-872-5276, 4820008725276, 008725276
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | 01 JAN 1960 | 00-872-5276 | 22113 ( SEAT, VALVE ) |
Drawings & Photos | NSN 4820-00-872-5276
Cross Reference | NSN 4820-00-872-5276
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 42121 | 86184 | GRISWOLD INDUSTRIES, CO. DBA CLA-VAL CO |
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Technical Data | NSN 4820-00-872-5276
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | B1 THREADED FLANGED |
| FLANGE DIAMETER | 5.380 INCHES NOMINAL |
| BODY INSIDE DIAMETER | 4.000 INCHES NOMINAL |
| FLANGE SEAT TO DISK END HEIGHT | 0.375 INCHES NOMINAL |
| UNDER FLANGE HEIGHT | 0.965 INCHES NOMINAL |
| MATERIAL | COPPER ALLOY OVERALL |
| HARDNESS RATING | NOT RATED |
| SEATING SURFACE SHAPE | ANGULAR |
| SEAT ANGLE IN DEG | 30.000 NOMINAL |
| THREAD SERIES DESIGNATOR | UN SINGLE THREADED PORTION |
| NOMINAL THREAD SIZE | 1.250 INCHES SINGLE THREADED PORTION |
| THREAD QUANTITY PER INCH | 16 SINGLE THREADED PORTION |
| THREAD CLASS | 2A SINGLE THREADED PORTION |
| THREAD LENGTH | 0.335 INCHES NOMINAL SINGLE THREADED PORTION |
Restrictions/Controls & Freight Information | NSN 4820-00-872-5276
| Category | Code | Description |
|---|---|---|
| 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. |
| 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 4820-00-872-5276
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 | 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 |
| Purchasing | QTY UOM |
1 EA : Each |