| SERVICE BRASS & ALUMINUM FOUNDRY CO., INC. | 91643 |
| MILWAUKEE VALVE COMPANY, INC. | 76364 |
| MILWAUKEE VALVE COMPANY, INC. | 76364 |
| SERVICE BRASS & ALUMINUM FOUNDRY CO., INC. | 91643 |
| MILWAUKEE VALVE COMPANY, INC. | 76364 |
| SERVICE BRASS & ALUMINUM FOUNDRY CO., INC. | 91643 |
| THREAD CLASS | 2A SINGLE THREADED PORTION |
| THREAD LENGTH | 0.430 INCHES NOMINAL SINGLE THREADED PORTION |
| OVERALL HEIGHT | 0.630 INCHES NOMINAL |
| BODY INSIDE DIAMETER | 3.862 INCHES NOMINAL |
| SEAT ANGLE IN DEG | 45.000 NOMINAL |
| THREAD QUANTITY PER INCH | 16 SINGLE THREADED PORTION |
| NOMINAL THREAD SIZE | 4.250 INCHES SINGLE THREADED PORTION |
| SEATING SURFACE SHAPE | ANGULAR |
| MATERIAL | COPPER ALLOY OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-B-16541 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| STYLE DESIGNATOR | PLAIN THREADED |
| THREAD SERIES DESIGNATOR | UN SINGLE THREADED PORTION |
| HARDNESS RATING | NOT RATED |
| MATERIAL | PLASTIC OVERALL |
| PROPRIETARY CHARACTERISTICS | MRCS |
| STYLE DESIGNATOR | B5 PLAIN THREADED |
| A replaceable item designed to provide a circular 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. |
