S179-17
View detailed technical data, stock status, and sourcing information for: S179-17
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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.
0.750 inches nominal single threaded portion thread length, 5.125 inches nominal flange diameter, 0.813 inches nominal flange seat to disk end height, 3.750 inches nominal body inside diameter, 2a single threaded portion thread class
Product Characteristics
Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.
- Thread Class
- 2a single threaded portion
- Thread Length
- 0.750 inches nominal single threaded portion
- Flange Diameter
- 5.125 inches nominal
- Body Inside Diameter
- 3.750 inches nominal
- Flange Seat To Disk End Height
- 0.813 inches nominal
- Under Flange Height
- 1.250 inches nominal
- Seat Angle In Deg
- 0.750 nominal
- Thread Quantity Per Inch
- 12 single threaded portion
- Nominal Thread Size
- 4.500 inches single threaded portion
- Seating Surface Shape
- angular
- Material
- steel overall
- Style Designator
- threaded flanged
- Thread Series Designator
- un single threaded portion
Related Parts
This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:
| Part Number | Name |
|---|---|
| S179-17 | Valve Seat |
| S179REV1PC17 | Valve Seat |
FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
What is the FSCG of the NSN 4820-00-036-1229?
Does the NSN 4820-00-036-1229 have a Schedule B code assigned?
Does NSN 4820-00-036-1229 require demilitarization?
Does NSN 4820-00-036-1229 contain precious materials?
Does NSN 4820-00-036-1229 contain hazardous materials?
When the NSN 4820-00-036-1229 was assigned to the Federal Catalog?
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