4820-01-143-4571
Find complete technical information, availability, and procurement data for: 4820-01-143-4571
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 4820-01-143-4571 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
4820-01-143-4571
Item Name Code
10958
Assigment Date
12/04/1982 (43 years ago)
single connection, straight flow body style, threaded external gas cylinder first end connection type, any acceptable flow control device, right-hand first end thread direction, external seat for gasket seal first end style designator
Product Characteristics
Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.
- Body Style
- single connection, straight flow
- First End Connection Type
- threaded external gas cylinder
- First End Style Designator
- external seat for gasket seal
- First End Thread Direction
- right-hand
- Flow Control Device
- any acceptable
- End Connection Quantity
- 1
- Opening Pressure Setting
- 1.0 pounds per square inch
- Valve Venting Design Type
- atmospheric
- Valve Relief Design Type
- pressure and vacuum
- Absolute Pressure Setting
- 0.5
- Special Features
- manual release button
- Material
- aluminum alloy body
- Surface Treatment
- anodize outside
- Surface Treatment Document And Classification
- mil-a-8625, type 2 mil spec single treatment response outside
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 |
|---|---|
| TA770-10C-O5C-R | Gaseou Pressure Equalizing Valve |
| TA770-700049 | Gaseou Pressure Equalizing Valve |
FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
What is the FSCG of the NSN 4820-01-143-4571?
The FSCG of the NSN 4820-01-143-4571 is 4820
Does the NSN 4820-01-143-4571 have a Schedule B code assigned?
Yes, the Schedule B code is 8481809050
Does NSN 4820-01-143-4571 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 4820-01-143-4571 contain precious materials?
Item does not contain precious metal.
Does NSN 4820-01-143-4571 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 4820-01-143-4571 was assigned to the Federal Catalog?
It was assigned 43 years ago, on Sat, Dec 4, 1982
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.
| New Surplus | 1,085 |
| New Material | 24 |
| Serviceable | 2 |
| As Removed | 1 |
| Total | 1,112 |
Availability of this item was last updated on:
01/31/2026 02:01 AM EST.
Stock levels and pricing are subject to change.