4820-00-402-9635

Safety Relief Valve

Find complete technical information, availability, and procurement data for NSN 4820-00-402-9635 All details are based on official government and industry records to support accurate and compliant procurement.

Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-402-9635

Item Name Code

05488

Assigment Date

01/18/1972 (54 years ago)

spring disk loading method, 3b 1st end thread class, right-hand 1st end thread direction, 1.750 inches offset distance, piston flow control device

Characteristics

Below are the official specifications and performance details for this part, including technical data, material composition, and compliance information.

Thread Class: 3b 1st end
Thread Direction: right-hand 1st end
Offset Distance: 1.750 inches
Flow Control Device: piston
Disk Loading Method: spring
Valve Discharge Flow Rate: 40.0 gallons per minute
Connection Style: plain,optional end(pipe) 1st end
Valve Operation Method: automatic
Connection Type: threaded internal pipe 1st end
Adjustable Pressure Range: +500.0 to 6000.0 pounds per square inch
Maximum Operating Pressure: 6000.0 pounds per square inch single response
Nominal Thread Size: 1.000 inches 1st end
Material: aluminum alloy body
Media For Which Designed: oil, hydraulic single response
Style Designator: caps w/offset
Thread Series Designator: unf 1st end

Related Parts & Specifications

This NSN includes a range of related parts designed for specific operational needs. Review each item below to find in-depth specifications, functional details, and guidance for correct application and replacement.

Part Number	Name
1A30-01-V-0-K-D, SC-10-S16S-T1	Safety Relief Valve
1A33-R16T-60SV	Safety Relief Valve
1A33R16T60S	Safety Relief Valve

FAQs

Get insights on installation procedures, operating conditions, care instructions, industry regulations, and common issues. FAQs below provide key information for 4820-00-402-9635

What is the FSCG of the NSN 4820-00-402-9635?

The FSCG of the NSN 4820-00-402-9635 is 4820

Does the NSN 4820-00-402-9635 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-00-402-9635 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 4820-00-402-9635 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-402-9635 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 4820-00-402-9635 was assigned to the Federal Catalog?

It was assigned 54 years ago, on Tue, Jan 18, 1972