
Image shown is representative and may differ from the actual product in size, proportions, and color shade
1.000 in
(25.40 mm)
4.880 in
(123.95 mm)
4
0.750 in
(19.05 mm)
3.500 in
(88.90 mm)
5/16"

PTFE PT65BK35 Full Face Gasket, Size: 300#-1"-FF-OLD-5/16"
Material: PTFE PT65BK35 Full Face Gasket
Size: 300#-1"-FF-OLD-5/16" Full Face Gasket
Part Number: PT65BK35-300#-1"OLD-FF-5/16"
PT65BK35
PTFE (Teflon®)
65
Shore D
Modified PTFE
Carbon Fiber Filled
Metallic Oxide Filled
Color: Black
Detailed Description
PT65BK35-300#-1"OLD-FF-5/16" is a Black, 65 Shore D, PTFE (Teflon®) Full Face Gasket, a Modified PTFE product. It is a 65 durometer PTFE (Teflon®). PT65BK35 is manufactured with the following features & specifications: Carbon Fiber Filled, Metallic Oxide Filled. PT65BK35-300#-1"OLD-FF-5/16" is size 300#-1"-FF-OLD-5/16" Full Face Gasket also referred to as 1 OLD (Pipe Size) x 25.4mm (ID) x 123.95mm (OD) x 4 (Bolt Qty) x 19.05mm (Bolt Dia.) x 88.9mm (Bolt Circle) x 5/16" (Thickness). PT65BK35-300#-1"OLD-FF-5/16" is a size 1 OLD, 300#-FF ASME Ring Gasket. Material: 65 Durometer PTFE PT65BK35 Full Face Gasket Size: 300#-1"-FF-OLD-5/16", 1 OLD Pipe Size X 25.4mm ID X 123.95mm OD X 4 Bolt Qty X 19.050mm Bolt Dia. X 88.900mm Bolt Circle X 5/16" Thickness

| Technical Specification | Value |
|---|---|
| Compound Number | PT65BK35 |
| Material | PTFE (Teflon®) |
| Subtype | Modified PTFE |
| Color | Black |
| Durometer | 65 Shore D Hardness |
| High Temperature | 302 °C / 576 °F |
| Low Temperature | -185 °C / -301 °F |
| Geometry Specifications | |
| Type | Full Face Gasket |
| Size | 300#-1"-FF-OLD-5/16" |
| Pipe Size | 1 OLD |
| ID | 25.40 mm / 1.000 in |
| OD | 123.95 mm / 4.880 in |
| Bolt Qty | 4 |
| Bolt Dia. | 19.05 mm / 0.750 in |
| Bolt Circle | 88.90 mm / 3.500 in |
| Thickness | 5/16" |
| Other Specifications | |
Carbon Fiber Filled | |
Metallic Oxide Filled | |



