4820-00-202-6638
Find complete technical information, availability, and procurement data for: 4820-00-202-6638
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A clamp in which the body (band or wire) completely encircles an item and distributes a relatively even amount of pressure throughout the entire 360 degrees (6.282 radians) of the periphery of the item to be compressed. Its compression quality is dependent upon an integral screw mechanism, (screw, bolt spring compression and the like mechanical fasteners), or it may be applied by a device not integral with the clamp itself. It is specifically designed to prevent leakage between a hose and its attaching connection(s) when the body of the clamp is round or circular. For square, rectangular, or irregularly shaped items, see clamp, hose, special-shaped. Excludes:clamp, electrical; clamp, loop; clamp, fire hose, shutoff; ferrule (as modified); and hand screw.
inside spring bonnet type, spring disk loading method, welded renewable seat ring type, disk flow control device, union 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
- inside spring
- Bonnet Attachment Method
- union
- Disk Loading Method
- spring
- Renewable Seat Ring Type
- welded
- Bolt Hole Quantity
- 6 all ends
- Valve Operation Method
- automatic or manual
- Flange Shape
- round with holes all ends
- Connection Type
- flange all ends
- Valve Size
- 2.000 inches
- Adjustable Pressure Range
- +18.0 to 32.0 pounds per square inch
- Maximum Operating Pressure
- 100.0 pounds per square inch single response
- Nominal Outside Diameter
- 5.562 inches all ends
- Nominal Thickness
- 0.438 inches all ends
- First Connection Face To Centerline Distance
- 4.750 inches
- Bolt Hole Nominal Diameter
- 0.562 inches all ends
- Second Connection Face To Centerline Distance
- 5.250 inches
- Bolt Circle Nominal Diameter
- 4.438 inches all ends
- Flange Face Design
- plain all ends
- Material
- copper alloy 836 body
- Material
- nickel alloy r-405 or copper alloy 462 stem
- Material
- nickel alloy r-405 or copper alloy 922 flow control device
- Material
- nickel alloy r-405 seat
- Material Document And Classification
- qq-n-281 cl b fed spec single material response seat
- Material Document And Classification
- qq-n-281 cl b fed spec 1st material response or mil-b-16541 mil spec 2nd material response flow control device
- Material Document And Classification
- qq-n-281 cl b fed spec 1st material response or mil-b-994 cl d mil spec 2nd material response stem
- Material Document And Classification
- qq-c-390 alloy d4 fed spec single material response body
- Media For Which Designed
- water, fresh 2nd response
- Media For Which Designed
- water, salt 1st response
- Style Designator
- angle flanged ends
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 |
|---|---|
| BAMGG03MHH | Safety Relief Valve |
| L-2210-C 2IN MONEL TRIM | Safety Relief Valve |
| NMP-149 | Safety Relief Valve |
FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
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Does the NSN 4820-00-202-6638 have a Schedule B code assigned?
Does NSN 4820-00-202-6638 require demilitarization?
Does NSN 4820-00-202-6638 contain precious materials?
Does NSN 4820-00-202-6638 contain hazardous materials?
When the NSN 4820-00-202-6638 was assigned to the Federal Catalog?
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