4820-01-227-1016
Safety Relief Valve
Find complete technical information, availability, and procurement data for NSN 4820-01-227-1016 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
4820-01-227-1016
Item Name Code
05488
Assigment Date
02/28/1986 (40 years ago)
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.
right-hand all ends thread direction, poppet flow control device, plain,optional end(pipe) all ends connection style, spring disk loading method, 225.0 fahrenheit single response maximum operating temp
Characteristics
Below are the official specifications and performance details for this part, including technical data, material composition, and compliance information.
- Thread Direction
- right-hand all ends
- Flow Control Device
- poppet
- Disk Loading Method
- spring
- Maximum Operating Temp
- 225.0 fahrenheit single response
- Connection Style
- plain,optional end(pipe) all ends
- Valve Operation Method
- automatic
- Connection Type
- threaded internal pipe all ends
- Maximum Operating Pressure
- 3600.0 pounds per square inch single response
- Nominal Thread Size
- 0.500 inches all ends
- Opening Pressure Setting
- 550.0 pounds per square inch
- Material
- plastic polytetrafluoroethylene seat
- Material
- steel comp 303 body
- Material
- steel comp 303 flow control device
- Media For Which Designed
- air 1st response
- Media For Which Designed
- water-oil-gas 2nd response
- Surface Treatment
- passivate
- Style Designator
- angle
- Thread Series Designator
- npt all ends
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 |
|---|---|
| 647B-6-1/2-2 | Safety Relief Valve |
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
- 4 - Partial descriptive item identification (type 1 concept)
- 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
- A - Item does not contain precious metal.
- 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 4820-01-227-1016
What is the FSCG of the NSN 4820-01-227-1016?
The FSCG of the NSN 4820-01-227-1016 is 4820
Does the NSN 4820-01-227-1016 have a Schedule B code assigned?
Yes, the Schedule B code is 8481400000
Does NSN 4820-01-227-1016 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 4820-01-227-1016 contain precious materials?
Item does not contain precious metal.
Does NSN 4820-01-227-1016 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 4820-01-227-1016 was assigned to the Federal Catalog?
It was assigned 40 years ago, on Fri, Feb 28, 1986
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