A1859R1PC40T050

View detailed technical data, stock status, and sourcing information for: A1859R1PC40T050
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-399-2523

Item Name Code

14559

Assigment Date

01/01/1961 (65 years ago)

relief valve body 1,valve 1,cap 1,spring 1,pin 1,adjusting screw 1,spring disc 1,lock nut 1,valve seat 1,cotter pin 1,gasket 1,stud and hex nut 3 supply items and quantities, 14 component quantity

Product Characteristics

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

Component Quantity: 14
Supply Items And Quantities: relief valve body 1,valve 1,cap 1,spring 1,pin 1,adjusting screw 1,spring disc 1,lock nut 1,valve seat 1,cotter pin 1,gasket 1,stud and hex nut 3

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
2825-00-349-6360	No Name Available	01/01/1963

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
6668116-1	Safety Relief Valve Parts Kit
A1859R1PC40T050	Safety Relief Valve Parts Kit
A1993	Safety Relief Valve Parts Kit
A1993R1PC40T050	Safety Relief Valve Parts Kit
A1993R2-53	Safety Relief Valve Parts Kit
A2264PC95	Safety Relief Valve Parts Kit
A2264R1PC79	Safety Relief Valve Parts Kit
A2264R1PC80T092	Safety Relief Valve Parts Kit
A2305R1PC80T092	Safety Relief Valve Parts Kit
A2305R1PC95	Safety Relief Valve Parts Kit
WW5599116PC40T050	Safety Relief Valve Parts Kit
WW5599116PC40T052	Safety Relief Valve Parts Kit
WW6665678PC80T092	Safety Relief Valve Parts Kit
WW6665757SH1PC95	Safety Relief Valve Parts Kit

FAQs

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

What is the FSCG of the NSN 4820-00-399-2523?

The FSCG of the NSN 4820-00-399-2523 is 4820

Does the NSN 4820-00-399-2523 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-00-399-2523 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 4820-00-399-2523 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-399-2523 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 4820-00-399-2523 was assigned to the Federal Catalog?

It was assigned 65 years ago, on Sun, Jan 1, 1961