4820-00-781-7820
Find complete technical information, availability, and procurement data for: 4820-00-781-7820
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Federal Supply Group
Valves
Federal Supply Classification
4820 Nonpowered Valves
National Stock Number
4820-00-781-7820
Item Name Code
27829
Assigment Date
01/01/1960 (66 years ago)
outside screw-yoke bonnet type, 4 1st end bolt hole quantity, threaded renewable seat ring type, disk flow control device, bolted bonnet attachment method
Product Characteristics
Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.
- Flow Control Device
- disk
- Bonnet Type
- outside screw-yoke
- Bonnet Attachment Method
- bolted
- Renewable Seat Ring Type
- threaded
- Bolt Hole Quantity
- 4 1st end
- Valve Operation Method
- manual
- Flange Shape
- round with holes 1st end
- Connection Type
- flange 1st end
- Mounting Position
- vertical
- Features Provided
- bonnet packing
- Valve Size
- 1.000 inches
- Nominal Outside Diameter
- 4.875 inches 1st end
- Nominal Thickness
- 0.688 inches 1st end
- First Connection Face To Centerline Distance
- 4.250 inches
- Bolt Hole Nominal Diameter
- 0.750 inches 1st end
- Second Connection Face To Centerline Distance
- 4.250 inches
- Bolt Circle Nominal Diameter
- 3.500 inches 1st end
- Flange Face Design
- raised straight 1st end
- Raised Face Nominal Height
- 0.250 inches 1st end
- Raised Face Nominal Diameter
- 2.000 inches 1st end
- Material
- cobalt alloy flow control device
- Material
- steel comp 410 stem
- Style Designator
- angle flanged ends
Replaces National Stock Numbers
Below is a list of NSNs that have been officially superseded by this NSN:
| NSN | Name | Date |
|---|---|---|
| 4820-00-287-5685 | No Name Available | 08/11/1967 |
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 |
|---|---|
| 3657U | Stop-Lift-Check Valve |
FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
What is the FSCG of the NSN 4820-00-781-7820?
The FSCG of the NSN 4820-00-781-7820 is 4820
Does NSN 4820-00-781-7820 require demilitarization?
Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.
Does NSN 4820-00-781-7820 contain precious materials?
Item does not contain precious metal.
Does NSN 4820-00-781-7820 contain hazardous materials?
Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
When the NSN 4820-00-781-7820 was assigned to the Federal Catalog?
It was assigned 66 years ago, on Fri, Jan 1, 1960
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