D49724
Safety Relief Valve
This page provides complete and verified information for part number D49724, NSN 4820-01-197-4747
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
4820-01-197-4747
Item Name Code
05488
Assigment Date
12/21/1984 (41 years ago)
4 all ends bolt hole quantity, threaded bonnet attachment method, 400.0 fahrenheit single response maximum operating temp, inside screw bonnet type, disk flow control device
Characteristics
Below are the official specifications and performance details for this part, including technical data, material composition, and compliance information.
- Flow Control Device
- disk
- Bonnet Type
- inside screw
- Bonnet Attachment Method
- threaded
- Bolt Hole Quantity
- 4 all ends
- Maximum Operating Temp
- 400.0 fahrenheit single response
- Valve Operation Method
- automatic
- Flange Shape
- round with holes all ends
- Connection Type
- flange all ends
- Valve Size
- 0.500 inches
- Adjustable Pressure Range
- +90.0 to 110.0 pounds per square inch
- Maximum Operating Pressure
- 275.0 pounds per square inch single response
- Nominal Outside Diameter
- 3.500 inches 2nd end
- Nominal Outside Diameter
- 4.250 inches 1st end
- Nominal Thickness
- 0.438 inches all ends
- First Connection Face To Centerline Distance
- 3.312 inches
- Bolt Hole Nominal Diameter
- 0.500 inches all ends
- Second Connection Face To Centerline Distance
- 3.250 inches
- Bolt Circle Nominal Diameter
- 2.375 inches 2nd end
- Bolt Circle Nominal Diameter
- 3.125 inches 1st end
- Flange Face Design
- raised straight all ends
- Raised Face Nominal Height
- 0.062 inches all ends
- Raised Face Nominal Diameter
- 1.375 inches 2nd end
- Raised Face Nominal Diameter
- 2.000 inches 1st end
- Material
- nickel alloy flow control device
- Material
- nickel alloy seat
- Material
- steel body
- Material
- steel corrosion resisting stem
- Style Designator
- angle flanged 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
- 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 D49724
What is the FSCG of the NSN 4820-01-197-4747?
The FSCG of the NSN 4820-01-197-4747 is 4820
Does the NSN 4820-01-197-4747 have a Schedule B code assigned?
Yes, the Schedule B code is 8481400000
Does NSN 4820-01-197-4747 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 4820-01-197-4747 contain precious materials?
Item does not contain precious metal.
Does NSN 4820-01-197-4747 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 4820-01-197-4747 was assigned to the Federal Catalog?
It was assigned 41 years ago, on Fri, Dec 21, 1984
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