20213ES41M
Safety Relief Valve
This page provides complete and verified information for part number 20213ES41M, NSN 4820-01-051-8216
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.
A valve designed to automatically release excessive pressures. It is actuated by static pressure upstream of the valve and is used as a safety valve or relief valve, and may be set to close at a predetermined pressure. It is not designed for regulation of continuously fluctuating loads. It may be inline or cartridge (manifold) design. Excludes:valve (1), relief, pressure and temperature.
disk flow control device, 9.4 gallons per minute valve discharge flow rate, right-hand all ends thread direction, 250.0 fahrenheit single response maximum operating temp, 0.500 inches all ends nominal pipe size accommodated
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
- Thread Direction
- right-hand all ends
- Flow Control Device
- disk
- Valve Discharge Flow Rate
- 9.4 gallons per minute
- Maximum Operating Temp
- 250.0 fahrenheit single response
- End Item Identification
- ship,ohio class ssn(trident)
- Connection Style
- streamlined with one brazing ring all ends
- Valve Operation Method
- automatic
- Connection Type
- unthreaded internal pipe all ends
- Adjustable Pressure Range
- +25.0 to 29.0 pounds per square inch
- Maximum Operating Pressure
- 385.0 pounds per square inch single response
- Nominal Thread Size
- 0.500 inches all ends
- Material
- copper alloy body
- Material
- nickel alloy flow control device
- Material
- nickel alloy seat
- Material
- nickel alloy stem
- Material Document And Classification
- qq-n-281 fed spec single material response flow control device
- Material Document And Classification
- qq-n-281 fed spec single material response seat
- Material Document And Classification
- qq-n-281 fed spec single material response stem
- Material Document And Classification
- qq-c-390,alloy d4/d/ fed spec single material response body
- Media For Which Designed
- water-oil-gas single response
- Style Designator
- angle
- Thread Series Designator
- npt all ends
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
- 1 - Full descriptive item identification
- A - 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.
- X - The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
- A046B0
- U - Precious metal content is unknown
- 0005488
- N - Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
- 8481400000
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
- AX
- 127220
- X
- 64490
- P - 77.5
- 594 - Pumps and parts, (machinery and parts),(less than 35 feet)
- Z - No special type of cargo code applicable
- 9 - Other or no special handling required (sh)
- A - Shipment is not a consolidation and does not exceed 84 inches in any dimension.
- VZ -
- pressure reg/red/relief valves noi
FAQs
Get insights on installation procedures, operating conditions, care instructions, industry regulations, and common issues. FAQs below provide key information for 20213ES41M
What is the FSCG of the NSN 4820-01-051-8216?
Does the NSN 4820-01-051-8216 have a Schedule B code assigned?
Does NSN 4820-01-051-8216 require demilitarization?
Does NSN 4820-01-051-8216 contain precious materials?
Does NSN 4820-01-051-8216 contain hazardous materials?
When the NSN 4820-01-051-8216 was assigned to the Federal Catalog?
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