1-1045-76

View detailed technical data, stock status, and sourcing information for: 1-1045-76

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1-1045-76
Federal Supply Group
Valves
Federal Supply Classification
4820 Nonpowered Valves
National Stock Number
4820-00-486-2634
Item Name Code
05487
Assigment Date
01/01/1963 (63 years ago)

right-hand 1st end thread direction, flared (tube) 1st end connection style, 3a 1st end thread class, spring disk loading method, disk flow control device

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 1st end
Thread Direction
right-hand 1st end
Flow Control Device
disk
Disk Loading Method
spring
Connection Style
flared (tube) 1st end
Valve Operation Method
automatic
Connection Type
threaded external tube 1st end
Mounting Position
horizontal
Thread Quantity Per Inch
12 1st end
Maximum Operating Pressure
300.0 pounds per square inch single response
Nominal Thread Size
1.312 inches 1st end
Seat Angle
37.0 degrees 1st end
Nominal Outside Diameter Tube Accommodated
1.000 inches 1st end
Material
aluminum alloy seat
Material
aluminum alloy body
Material
steel corrosion resisting flow control device
Media For Which Designed
fuel/oil, hydrocarbon single response
Surface Treatment
anodize
Style Designator
straight thru
Thread Series Designator
un 1st end

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN Name Date
4820-00-433-3666 No Name Available 01/01/1963

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
1-1045-76 Check Valve
4267608 Check Valve
527-16D Check Valve
6-1049-76 Check Valve

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 4820-00-486-2634?
The FSCG of the NSN 4820-00-486-2634 is 4820
Does the NSN 4820-00-486-2634 have a Schedule B code assigned?
Yes, the Schedule B code is 8481309000
Does NSN 4820-00-486-2634 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 4820-00-486-2634 contain precious materials?
Precious metal content is unknown
Does NSN 4820-00-486-2634 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 4820-00-486-2634 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Tue, Jan 1, 1963

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