4820-00-843-1243
Find complete technical information, availability, and procurement data for: 4820-00-843-1243
DODParts.com distributes related products varnishes dopes paints, aircraft parts and consumables, electrical parts, fittings and other components for the aerospace and defense industries. Submit the short price quote form for NSN 4820-00-843-1243 to receive an up to date pricing and availability quote by email.
Federal Supply Group
Valves
Federal Supply Classification
4820 Nonpowered Valves
National Stock Number
4820-00-843-1243
Item Name Code
05487
Assigment Date
01/01/1963 (63 years ago)
450.0 fahrenheit single response maximum operating temp, spring disk loading method, poppet flow control device, 3a all ends thread class, right-hand all ends thread direction
Product Characteristics
Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.
- Thread Class
- 3a all ends
- Thread Direction
- right-hand all ends
- Flow Control Device
- poppet
- Disk Loading Method
- spring
- Maximum Operating Temp
- 450.0 fahrenheit single response
- Connection Style
- flared (tube) all ends
- Valve Operation Method
- automatic
- Connection Type
- threaded external tube all ends
- Mounting Position
- horizontal or vertical
- Thread Quantity Per Inch
- 20 all ends
- Maximum Operating Pressure
- 3000.0 pounds per square inch single response
- Nominal Thread Size
- 0.438 inches all ends
- Seat Angle
- 37.5 degrees all ends
- Nominal Outside Diameter Tube Accommodated
- 0.250 inches all ends
- Material
- steel corrosion resisting body
- Material
- steel corrosion resisting flow control device
- Material
- steel corrosion resisting stem
- Media For Which Designed
- fuel/oil, hydrocarbon single response
- Style Designator
- straight thru
- Thread Series Designator
- unf all ends
Replaces National Stock Numbers
Below is a list of NSNs that have been officially superseded by this NSN:
| NSN | Name | Date |
|---|---|---|
| 1650-00-833-1373 | No Name Available | 01/01/1962 |
| 1650-00-851-0423 | No Name Available | 01/01/1960 |
| 1650-00-878-6963 | No Name Available | 01/01/1962 |
Related Parts
This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:
| Part Number | Name |
|---|---|
| 1112-589990 | Check Valve |
| 2C5040 | Check Valve |
| 7M92-4D | Check Valve |
FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
What is the FSCG of the NSN 4820-00-843-1243?
The FSCG of the NSN 4820-00-843-1243 is 4820
Does the NSN 4820-00-843-1243 have a Schedule B code assigned?
Yes, the Schedule B code is 8481302090
Does NSN 4820-00-843-1243 require demilitarization?
"commerce control list items (ccli) - mut to the point of scrap required outside the united states. Inside the united states, mut is required when the demil integrity code (ic) is "3" and mut is not required when the demic is "6" (note 8)"
Does NSN 4820-00-843-1243 contain precious materials?
Item does not contain precious metal.
Does NSN 4820-00-843-1243 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 4820-00-843-1243 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Tue, Jan 1, 1963
Professional Distribution
Certified to meet the strict requirements of defense, aerospace, and hazardous materials distribution.
- ITAR Registered
- DDTC Registered
- HAZMAT Certified
- AS9120 Quality Standards
- 100% Quality Inspections
You May Also Like
Browse other in-demand NSN parts sourced by professionals in defense, aerospace, and manufacturing sectors. Each component meets strict standards for quality and performance.
Pricing
Submit your request below and our team will respond quickly with up-to-date pricing, delivery estimates, and stock information:
In Stock
This item is currently available and ready for prompt shipment. Units may be offered in various conditions — new, surplus, or refurbished — and stored at verified global facilities. Request a quote to confirm current stock and delivery time.
| As Removed | 2 |
| New Material | 1 |
| New Surplus | 6 |
| Serviceable | 1 |
| Total | 10 |
Availability of this item was last updated on:
07/15/2026 03:07 PM EDT.
Stock levels and pricing are subject to change.