Internally Threaded Head (IT)
- Material: 65-45-12 Ductile Iron
- Threads into Case (Barrel, Body, Main)
- Buttress Thread Design
| Bore +.003″ -.003″ | Rod +.003″ -.003″ | A | B | C | D | E | Buttress F | Seal Kit Number | Part Number | |
|---|---|---|---|---|---|---|---|---|---|---|
| 1.500 | 0.750 | 2.00 | 1.75 | 1.50 | 0.75 | 0.16 | 1-3/4″-12 | 1080150075 | 1070150075 | |
| 1.500 | 1.000 | 2.00 | 2.00 | 1.50 | 0.75 | 0.25 | 1-3/4″-12 | 1080150100 | 1070150100 | |
| 2.000 | 1.000 | 2.50 | 2.12 | 1.93 | 1.00 | 0.12 | 2-1/4″-12 | 1080200100 | 1070200100 | |
| 2.000 | 1.125 | 2.50 | 2.00 | 1.75 | 0.75 | 0.19 | 2-1/4″-12 | 1080200112 | 1070200112 | |
| 2.000 | 1.250 | 2.50 | 2.25 | 2.00 | 1.00 | 0.19 | 2-1/4″-12 | 1080200125 | 1070200125 | |
| 2.500 | 1.000 | 3.00 | 2.00 | 1.75 | 0.75 | 0.19 | 2-3/4″-12 | 1080250100 | 1070250100 | |
| 2.500 | 1.125 | 3.00 | 2.00 | 1.75 | 0.75 | 0.19 | 2-3/4″-12 | 1080250112 | 1070250112 | |
| 2.500 | 1.250 | 3.00 | 2.00 | 1.75 | 0.75 | 0.19 | 2-3/4″-12 | 1080250125 | 1070250125 | |
| 2.500 | 1.500 | 3.00 | 2.38 | 2.00 | 1.00 | 0.19 | 2-3/4″-12 | 1080250150 | 1070250150 | |
| 2.500 | 1.750 | 3.00 | 2.25 | 1.88 | 0.88 | 0.25 | 2-3/4″-12 | 1080250175 | 1070250175 | |
| 3.000 | 1.000 | 3.50 | 2.25 | 2.00 | 1.00 | 0.19 | 3-1/4″-12 | 1080300100 | 1070300100 | |
| 3.000 | 1.250 | 3.50 | 2.25 | 2.00 | 1.00 | 0.19 | 3-1/4″-12 | 1080300125 | 1070300125 | |
| 3.000 | 1.500 | 3.50 | 2.25 | 2.00 | 1.00 | 0.19 | 3-1/4″-12 | 1080300150 | 1070300150 | |
| 3.000 | 1.750 | 3.50 | 2.25 | 2.00 | 1.00 | 0.19 | 3-1/4″-12 | 1080300175 | 1070300175 | |
| 3.000 | 2.000 | 3.50 | 2.50 | 2.00 | 1.00 | 0.19 | 3-1/4″-12 | 1080300200 | 1070300200 | |
| 3.250 | 1.250 | 3.75 | 2.25 | 2.00 | 1.00 | 0.19 | 3-1/2″-12 | 1080325125 | 1070325125 | |
| 3.250 | 1.380 | 3.75 | 2.25 | 2.00 | 1.00 | .19 | 3-1/2″-12 | 1080325138 | 1070325138 | |
| 3.250 | 1.500 | 3.75 | 2.25 | 2.00 | 1.00 | 0.19 | 3-1/2″-12 | 1080325150 | 1070325150 | |
| 3.250 | 1.750 | 3.75 | 2.25 | 2.00 | 1.00 | 0.19 | 3-1/2″-12 | 1080325175 | 1070325175 | |
| 3.250 | 2.000 | 3.75 | 2.25 | 2.00 | 1.00 | 0.19 | 3-1/2″-12 | 1080325200 | 1070325200 | |
| 3.500 | 1.250 | 4.00 | 2.25 | 2.00 | 1.00 | 0.19 | 3-3/4″-12 | 1080350125 | 1070350125 | |
| 3.500 | 1.500 | 4.00 | 2.25 | 2.00 | 1.00 | 0.19 | 3-3/4″-12 | 1080350150 | 1070350150 | |
| 3.500 | 1.750 | 4.00 | 2.25 | 2.00 | 1.00 | 0.19 | 3-3/4″-12 | 1080350175 | 1070350175 | |
| 3.500 | 2.000 | 4.00 | 2.25 | 2.00 | 1.00 | 0.19 | 3-3/4″-12 | 1080350200 | 1070350200 | |
| 3.500 | 2.500 | 4.00 | 2.50 | 2.12 | 1.00 | 0.19 | 3-3/4″-12 | 1080350250 | 1070350250 | |
| 4.000 | 1.500 | 4.50 | 2.25 | 2.00 | 1.00 | 0.19 | 4-1/4″-12 | 1080400150 | 1070400150 | |
| 4.000 | 1.750 | 4.50 | 2.25 | 2.00 | 1.00 | 0.19 | 4-1/4″-12 | 1080400175 | 1070400175 | |
| 4.000 | 2.000 | 4.50 | 2.25 | 2.00 | 1.00 | 0.19 | 4-1/4″-12 | 1080400200 | 1070400200 | |
| 4.000 | 2.250 | 4.50 | 2.25 | 2.00 | 1.00 | 0.19 | 4-1/4″-12 | 1080400225 | 1070400225 | |
| 4.000 | 2.500 | 4.50 | 2.50 | 2.12 | 1.12 | 0.19 | 4-1/4″-12 | 1080400250 | 1070400250 | |
| 4.000 | 3.000 | 4.50 | 2.50 | 2.12 | 1.00 | 0.19 | 4-1/4″-12 | 1080400300 | 1070400300 | |
| 4.500 | 1.750 | 5.00 | 2.25 | 2.00 | 1.00 | 0.19 | 4-3/4″-12 | 1080450175 | 1070450175 | |
| 4.500 | 2.000 | 5.00 | 2.25 | 2.00 | 1.00 | 0.19 | 4-3/4″-12 | 1080450200 | 1070450200 | |
| 4.500 | 2.250 | 5.00 | 2.25 | 2.00 | 1.00 | 0.19 | 4-3/4″-12 | 1080450225 | 1070450225 | |
| 4.500 | 3.500 | 5.00 | 2.38 | 2.00 | 1.00 | 0.19 | 4-3/4″-12 | 1080450350 | 1070450350 | |
| 5.000 | 1.750 | 5.50 | 2.25 | 2.00 | 1.00 | 0.19 | 5-1/4″-12 | 1080500175 | 1070500175 | |
| 5.000 | 2.000 | 5.50 | 2.25 | 2.00 | 1.00 | 0.19 | 5-1/4″-12 | 1080500200 | 1070500200 | |
| 5.000 | 2.500 | 5.50 | 2.50 | 2.12 | 1.12 | 0.19 | 5-1/4″-12 | 1080500250 | 1070500250 | |
| 5.000 | 3.000 | 5.50 | 2.50 | 2.12 | 1.12 | 0.19 | 5-1/4″-12 | 1080500300 | 1070500300 | |
| 6.000 | 2.000 | 6.50 | 2.50 | 2.12 | 1.12 | 0.19 | 6-1/4″-12 | 1080600200 | 1070600200 | |
| 6.000 | 2.500 | 6.50 | 2.50 | 2.12 | 1.12 | 0.19 | 6-1/4″-12 | 1080600250 | 1070600250 | |
| 6.000 | 3.000 | 6.50 | 2.50 | 2.12 | 1.12 | 0.19 | 6-1/4″-12 | 1080600300 | 1070600300 | |
| 6.000 | 3.500 | 6.50 | 2.50 | 2.12 | 1.12 | 0.19 | 6-1/4″-12 | 1080600350 | 1070600350 | |
| 7.000 | 3.000 | 7.50 | 2.88 | 2.50 | 1.12 | 0.56 | 7-1/4″-10 | 1080700300 | 1070700300 | |
| 7.000 | 3.500 | 7.50 | 2.88 | 2.50 | 1.12 | 0.56 | 7-1/4″-10 | 1080700350 | 1070700350 | |
| 7.000 | 4.000 | 7.50 | 2.88 | 2.50 | 1.12 | 0.56 | 7-1/4″-10 | 1080700400 | 1070700400 | |
| 8.000 | 4.000 | 8.50 | 3.75 | 3.25 | 1.50 | 0.88 | 8-1/4″-10 | 1080800400 | 1070800400 | |
| 8.000 | 4.500 | 8.50 | 3.75 | 3.25 | 1.50 | 0.88 | 8-1/4″-10 | 1080800450 | 1070800450 | |
| 8.000 | 5.000 | 8.50 | 3.75 | 3.25 | 1.50 | 0.88 | 8-1/4″-10 | 1080800500 | 1070800500 |
| Basic Thread Size | Minimum Major Diameter | Pitch Diameter | Minor Diameter |
|---|---|---|---|
| 2-1/4″-12 | 2.2604 | 2.2000 /2.2075 | 2.1500 /2.1575 |
| 2-3/4″-12 | 2.7604 | 2.7000 /2.7080 | 2.6500 /2.6580 |
| 3-1/4″-12 | 3.2604 | 3.2000 /3.2080 | 3.1500 /3.1580 |
| 3-1/2″-12 | 3.5104 | 3.4500 /3.4580 | 3.4000 /3.4080 |
| 3-3/4″-12 | 3.7604 | 3.7000 /3.7080 | 3.6500 /3.6580 |
| 4-1/4″-12 | 4.2604 | 4.2000 /4.2084 | 4.1500 /4.1584 |
| 4-3/4″-12 | 4.7604 | 4.7000 /4.7084 | 4.6500 /4.6584 |
| 5-1/4″-12 | 5.2604 | 5.2000 /5.2084 | 5.1500 /5.1584 |
| 5-3/4″-12 | 5.7604 | 5.7000 /5.7084 | 5.6500 /5.6584 |
| 6-1/4″-12 | 6.2604 | 6.2000 /6.2084 | 6.1500 /6.1584 |
| 7-1/4″-10 | 7.2626 | 7.1900 /7.1995 | 7.1300 /7.1395 |
| 8-1/4″-10 | 8.2626 | 8.1900 /8.1995 | 8.1300 /8.1395 |
| 10-1/4″-10 | 10.2626 | 10.1900 /10.1995 | 10.1300 /10.1395 |