4820-01-442-2579

Find complete technical information, availability, and procurement data for: 4820-01-442-2579
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-442-2579

Item Name Code

05488

Assigment Date

03/10/1997 (29 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.

2b all ends thread quantity per inch, seawolf class ssn end item identification, threaded internal tube all ends connection type, automatic valve operation method, right-hand all ends thread direction

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
End Item Identification: seawolf class ssn
Valve Operation Method: automatic
Connection Type: threaded internal tube all ends
Thread Quantity Per Inch: 2b all ends
Nominal Thread Size: 1.625 inches all ends
Nominal Outside Diameter Tube Accommodated: 1.250 inches all ends
Thread Series Designator: un 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
211086988	Safety Relief Valve
801-6405539-AY5	Safety Relief Valve
801-6405539-AY55	Safety Relief Valve
DRO-2210	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-01-442-2579?

The FSCG of the NSN 4820-01-442-2579 is 4820

Does the NSN 4820-01-442-2579 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-01-442-2579 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 4820-01-442-2579 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-442-2579 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 4820-01-442-2579 was assigned to the Federal Catalog?

It was assigned 29 years ago, on Mon, Mar 10, 1997