4820-01-341-8577

Find complete technical information, availability, and procurement data for: 4820-01-341-8577
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-341-8577

Item Name Code

05488

Assigment Date

07/10/1991 (35 years ago)

A valve designed to relieve internal pressure from gear housings, automotive axles, differentials, transmissions and the like. May or may not be threaded on one end. For items with relief pressure ratings see valve (1), safety relief.

flared (tube) all ends connection style, right-hand all ends thread direction, 3a all ends thread class, disk flow control device, 350.0 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: 3a all ends
Thread Direction: right-hand all ends
Flow Control Device: disk
Maximum Operating Temp: 350.0 fahrenheit single response
Connection Style: flared (tube) all ends
Valve Operation Method: automatic
Connection Type: threaded external tube all ends
Maximum Operating Pressure: 200.0 pounds per square inch single response
Nominal Thread Size: 0.438 inches all ends
Seat Angle: 45.0 degrees all ends
Opening Pressure Setting: 100.0 pounds per square inch
Material: aluminum body
Media For Which Designed: water-oil-gas single response
Style Designator: straight thru w/baffle
Thread Series Designator: unjf all 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
3450279-3	Safety Relief Valve
RV05-115	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-01-341-8577?

The FSCG of the NSN 4820-01-341-8577 is 4820

Does the NSN 4820-01-341-8577 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-01-341-8577 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 4820-01-341-8577 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-341-8577 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 4820-01-341-8577 was assigned to the Federal Catalog?

It was assigned 35 years ago, on Wed, Jul 10, 1991