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4820-01-451-2693

Find complete technical information, availability, and procurement data for: 4820-01-451-2693

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4820-01-451-2693
Federal Supply Group
Valves
Federal Supply Classification
4820 Nonpowered Valves
National Stock Number
4820-01-451-2693
Item Name Code
05488
Assigment Date
12/10/1997 (28 years ago)

A headless, generally cylindrically-shaped item having a straight, smooth, solid body, with or without a drilled hole(s). It has an outside diameter equal to or less than its length. Its length must not exceed twelve inches (304 mm); for items whose length exceeds twelve inches (304 mm); see rod,straight,headless. It is used for aligning or transfer of torque and/or thrust, by fitting into corresponding holes of another item. See also pin,straight,threaded.

right-hand all ends thread direction, 400.0 fahrenheit single response maximum operating temp, disk flow control device, spring disk loading method, -20.0 fahrenheit minimum operating temp

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Thread Direction
right-hand all ends
Flow Control Device
disk
Disk Loading Method
spring
Maximum Operating Temp
400.0 fahrenheit single response
Minimum Operating Temp
-20.0 fahrenheit
End Item Identification
strategic sealift conversion ships class
Connection Style
plain (pipe) 1st end
Connection Style
plain,optional end(pipe) 2nd end
Valve Operation Method
automatic
Connection Type
threaded external pipe 1st end
Connection Type
threaded internal pipe 2nd end
Maximum Operating Pressure
2000.0 pounds per square inch single response
Nominal Thread Size
0.750 inches 1st end
Nominal Thread Size
1.000 inches 2nd end
Opening Pressure Setting
68.0 pounds per square inch
Special Features
carbon steel(phosphated)spring;orifice area 0.110 sq.in.
Material
steel comp 316 body
Material
steel comp 316 flow control device
Material
steel comp 410 stem
Material Document And Classification
astm a276 cond t assn std single material response stem
Material Document And Classification
astm a479 assn std single material response body
Material Document And Classification
astm a479 assn std single material response flow control device
Media For Which Designed
air 1st response
Media For Which Designed
steam 2nd response
Style Designator
angle
Thread Series Designator
npt all ends
Furnished Items And Quantity
1 lever

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Part Number Name
1990C-1 X .75 68PSI Safety Relief Valve

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 4820-01-451-2693?
The FSCG of the NSN 4820-01-451-2693 is 4820
Does the NSN 4820-01-451-2693 have a Schedule B code assigned?
Yes, the Schedule B code is 8481400000
Does NSN 4820-01-451-2693 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 4820-01-451-2693 contain precious materials?
Item does not contain precious metal.
Does NSN 4820-01-451-2693 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 4820-01-451-2693 was assigned to the Federal Catalog?
It was assigned 28 years ago, on Wed, Dec 10, 1997

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