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4820-00-185-6849

Find complete technical information, availability, and procurement data for: 4820-00-185-6849

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4820-00-185-6849
Federal Supply Group
Valves
Federal Supply Classification
4820 Nonpowered Valves
National Stock Number
4820-00-185-6849
Item Name Code
05488
Assigment Date
02/24/1971 (55 years ago)

A circular shaped metal item designed to be connected to a machine or vehicle shaft or wheel and used to retard, stop or prevent motion by the application of pressure exerted by brake(s) or band(s).

2a all ends thread class, piston flow control device, right-hand all ends thread direction, spring disk loading method, 180.0 fahrenheit single response maximum 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 Class
2a all ends
Thread Direction
right-hand all ends
Flow Control Device
piston
Disk Loading Method
spring
Maximum Operating Temp
180.0 fahrenheit single response
Connection Style
flared (tube) all ends
Valve Operation Method
automatic
Connection Type
threaded external tube all ends
Nominal Thread Size
0.750 inches all ends
Seat Angle
37.0 degrees all ends
Opening Pressure Setting
4.0 pounds per square inch
Material
aluminum alloy body
Material
steel corrosion resisting flow control device
Media For Which Designed
oil, hydraulic single response
Surface Treatment
anodize
Style Designator
straight thru note: to be used for valve bodies of separable sections.
Thread Series Designator
unf all ends

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN Name Date
4820-00-137-5715 No Name Available 09/28/1973

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
166P299 Safety Relief Valve
8P130-3 Safety Relief Valve
8P130-9 Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-00-185-6849?
The FSCG of the NSN 4820-00-185-6849 is 4820
Does the NSN 4820-00-185-6849 have a Schedule B code assigned?
Yes, the Schedule B code is 8481400000
Does NSN 4820-00-185-6849 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 4820-00-185-6849 contain precious materials?
Precious metal content is unknown
Does NSN 4820-00-185-6849 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 4820-00-185-6849 was assigned to the Federal Catalog?
It was assigned 55 years ago, on Wed, Feb 24, 1971

Professional Distribution

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