DLN4927

View detailed technical data, stock status, and sourcing information for: DLN4927
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-757-6859

Item Name Code

05488

Assigment Date

01/01/1960 (66 years ago)

spring disk loading method, disk flow control device, plain (tube) 1st end connection style, 2a 1st end thread class, right-hand 1st end 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 Class: 2a 1st end
Thread Direction: right-hand 1st end
Flow Control Device: disk
Disk Loading Method: spring
Connection Style: plain (tube) 1st end
Valve Operation Method: automatic
Connection Type: threaded external tube 1st end
Nominal Thread Size: 0.438 inches 1st end
Material: steel overall
Style Designator: angle
Thread Series Designator: unf 1st end

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
2910-00-800-3408	No Name Available	06/03/1970

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
376094-40	Safety Relief Valve
511417-40	Safety Relief Valve
DLN4927	Safety Relief Valve
PS376094-40	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-00-757-6859?

The FSCG of the NSN 4820-00-757-6859 is 4820

Does the NSN 4820-00-757-6859 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-00-757-6859 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 4820-00-757-6859 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-757-6859 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 4820-00-757-6859 was assigned to the Federal Catalog?

It was assigned 66 years ago, on Fri, Jan 1, 1960