4720-01-143-9445

Find complete technical information, availability, and procurement data for: 4720-01-143-9445
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Federal Supply Group

Pipe, Tubing, Hose, and Fittings

Federal Supply Classification

4720 Hose and Flexible Tubing

National Stock Number

4720-01-143-9445

Item Name Code

20311

Assigment Date

12/10/1982 (43 years ago)

A replaceable item designed to provide a stationary seating surface for a mating, moveable item such as a valve disk or the like. The body may have a flange of various shapes. For diesel and gasoline reciprocating engines, see insert, engine valve seat.

1.000 inches nominal inside diameter, right-hand 1st end thread direction, 3b 1st end thread class, round cross-sectional shape style, -40.0 fahrenheit and 200.0 fahrenheit single response temp rating

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Cross-Sectional Shape Style: round
Thread Class: 3b 1st end
Thread Direction: right-hand 1st end
Inside Diameter: 1.000 inches nominal
Temp Rating: -40.0 fahrenheit and 200.0 fahrenheit single response
Outside Diameter: 1.560 inches nominal
Minimum Inside Bending Radius: 6.000 inches
Connection Style: swivel nut flare 1st end
End Connection Design: straight 1st end
End Fitting Component And Material: complete fitting steel all ends
Connection Type: threaded internal tube 1st end
Thread Quantity Per Inch: 12 1st end
Layer Composition And Location: 1st layer spirally laid steel wire and 2nd layer braided wire and 3rd layer braided wire and 1st layer molded rubber, synthetic
Maximum Operating Pressure: 250.0 pounds per square inch
Nominal Thread Size: 1.312 inches 1st end
Seat Angle: 37.0 degrees 1st end
Inside Surface Condition: smooth
Measuring Method And Length: 18.000 inches nominal excluding end fittings
Special Features: inner conveying tube material-rubber, buna-n
Thread Series Designator: un 1st end
Specification/Standard Data: sae j517,100r4-81343 national std/spec

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
9S1637EFF	Nonmetallic Hose Assembly

FAQs

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

What is the FSCG of the NSN 4720-01-143-9445?

The FSCG of the NSN 4720-01-143-9445 is 4720

Does NSN 4720-01-143-9445 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 4720-01-143-9445 contain precious materials?

Item does not contain precious metal.

Does NSN 4720-01-143-9445 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 4720-01-143-9445 was assigned to the Federal Catalog?

It was assigned 43 years ago, on Fri, Dec 10, 1982