20213FS41M

Safety Relief Valve

This page provides complete and verified information for part number 20213FS41M, NSN 4820-01-127-8205

You’ll find detailed technical specifications, product attributes, condition classification, and real-time stock availability. All data is based on official records and meets industry standards for defense, aerospace, and industrial sourcing. Whether you’re performing a parts audit, validating compliance, or preparing a purchase order, this part listing supports accurate and efficient procurement.

Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-127-8205

Item Name Code

05488

Assigment Date

03/09/1982 (44 years ago)

0.500 inches all ends nominal pipe size accommodated, bolted bonnet attachment method, stem flow control device, inside spring bonnet type, spring disk loading method

Characteristics

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

Nominal Pipe Size Accommodated: 0.500 inches all ends
Flow Control Device: stem
Bonnet Type: inside spring
Bonnet Attachment Method: bolted
Disk Loading Method: spring
Maximum Operating Temp: 150.0 fahrenheit 1st response
Maximum Operating Temp: 250.0 fahrenheit 2nd response
End Item Identification: los angeles class ssn (688)
Connection Style: socket with brazing ring all ends
Valve Operation Method: automatic
Connection Type: unthreaded internal pipe all ends
Adjustable Pressure Range: +23.0 to 45.0 pounds per square inch
Maximum Operating Pressure: 335.0 pounds per square inch 2nd response
Maximum Operating Pressure: 400.0 pounds per square inch single response
Criticality Code Justification: feat
Special Features: weapon system essential
Material: nickel alloy flow control device
Material: nickel alloy seat
Material: nickel alloy stem
Style Designator: angle
Furnished Items And Quantity: 2 nut and 2 tailpiece

Classification Data

Detailed NSN information including identification codes, classification data, and key indicators used for cataloging, logistics, and supply management.

Type of Item Identification
Demilitarization
Criticality
Federal Item Identification Guide
Precious Metals Indicator
Pseudo Item Name Code
Hazardous Material Indicator
Schedule B Code

Freight Information

Comprehensive freight classifications, shipping codes, and handling specifications for domestic and international transport compliance.

Major Organizational Entity
National Motor Freight Classification Item Number
National Motor Freight Classification Sub-Item Number
Uniform Freight Classification Item Number
National Motor Freight Class Rating
Water Commodity
Type of Cargo
Special Hand
Air Dimension
Air Commodity
National Motor Freight Description

FAQs

Get insights on installation procedures, operating conditions, care instructions, industry regulations, and common issues. FAQs below provide key information for 20213FS41M

What is the FSCG of the NSN 4820-01-127-8205?

The FSCG of the NSN 4820-01-127-8205 is 4820

Does the NSN 4820-01-127-8205 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-01-127-8205 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 4820-01-127-8205 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-127-8205 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 4820-01-127-8205 was assigned to the Federal Catalog?

It was assigned 44 years ago, on Tue, Mar 9, 1982