4820-01-521-5508
Find complete technical information, availability, and procurement data for: 4820-01-521-5508
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 4820-01-521-5508 to receive an up to date pricing and availability quote by email.
A tubular shaped unthreaded item with or without a flange at one end designed to be inserted into a hole to reduce the inside diameter of the hole and to protect the surrounding body structure from damage resulting from stress, strain, and/or vibration. The overall length must exceed 25 percent of the outside diameter or the shortest distance between peripheral flats of the body. Includes items which are divided into two or more segments which includes 180 degrees (3.141 radians) or less of the bearing periphery. For items made of rubber, see bushing, nonmetallic. See also bearing, sleeve; bushing, tapered; spacer, sleeve; insulator, bushing; and bushing, electrical conductor. Excludes:bushing, drill, jig.
3.000 inches all ends nominal pipe size accommodated, spring disk loading method, disk flow control device, automatic valve operation method, plain (tube) all ends connection style
Product Characteristics
Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.
- Nominal Pipe Size Accommodated
- 3.000 inches all ends
- Flow Control Device
- disk
- Disk Loading Method
- spring
- Connection Style
- plain (tube) all ends
- Valve Operation Method
- automatic
- Connection Type
- unthreaded internal pipe all ends
- Mounting Position
- horizontal
- Maximum Operating Pressure
- 225.0 pounds per square inch single response
- Part Name Assigned By Controlling Agency
- "3" sure check valve"
- Special Features
- "compact in design this valve is only 7/8" face to face; has dual disks which open like a butterfly valve"
- Material
- copper alloy body
- Material
- copper alloy flow control device
- Material
- rubber butadiene-acrylonitrile class nbr seat
- Material
- steel corrosion resisting stem
- Material Document And Classification
- astm a-479-316 assn std single material response stem
- Material Document And Classification
- astm b-61 assn std single material response body
- Material Document And Classification
- astm b-61 assn std single material response flow control device
- Material Document And Classification
- buna-n mfr ref single material response seat
- Style Designator
- straight thru
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 |
|---|---|
| 3.0-72CHC-3-H | Check Valve |
FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
What is the FSCG of the NSN 4820-01-521-5508?
Does the NSN 4820-01-521-5508 have a Schedule B code assigned?
Does NSN 4820-01-521-5508 require demilitarization?
Does NSN 4820-01-521-5508 contain precious materials?
Does NSN 4820-01-521-5508 contain hazardous materials?
When the NSN 4820-01-521-5508 was assigned to the Federal Catalog?
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:
