4720-01-554-4478

Find complete technical information, availability, and procurement data for: 4720-01-554-4478
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 4720-01-554-4478 to receive an up to date pricing and availability quote by email.

Federal Supply Group

Pipe, Tubing, Hose, and Fittings

Federal Supply Classification

4720 Hose and Flexible Tubing

National Stock Number

4720-01-554-4478

Item Name Code

20311

Assigment Date

08/09/2007 (18 years ago)

A valve designed to automatically release excessive pressures. It is actuated by static pressure upstream of the valve and is used as a safety valve or relief valve, and may be set to close at a predetermined pressure. It is not designed for regulation of continuously fluctuating loads. It may be inline or cartridge (manifold) design. Excludes:valve (1), relief, pressure and temperature.

right-hand 1st end thread direction, 3b 1st end thread class, round cross-sectional shape style, right-hand 2nd end thread direction, 3a 2nd end thread class

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: 3a 2nd end
Thread Class: 3b 1st end
Thread Direction: right-hand 1st end
Thread Direction: right-hand 2nd end
Inside Diameter: 0.750 inches nominal
Temp Rating: -40.0 fahrenheit and 212.0 fahrenheit single response
Outside Diameter: 1.140 inches nominal
Minimum Inside Bending Radius: 4.800 inches
Exterior Color: black
End Item Identification: crane assembly
Connection Style: swivel nut flare 1st end
Connection Style: flared 2nd end
End Connection Design: straight 1st end
End Connection Design: straight 2nd end
Connection Type: threaded external tube 2nd end
Connection Type: threaded internal tube 1st end
Thread Quantity Per Inch: 12 1st end
Thread Quantity Per Inch: 12 2nd end
Burst Test Pressure: 12000.0 pounds per square inch
Layer Composition And Location: outer layer molded rubber, nitrile and 1st layer braided steel wire and 2nd layer braided steel wire
Maximum Operating Pressure: 3000.0 pounds per square inch
Nominal Thread Size: 1.062 inches 1st end
Nominal Thread Size: 1.062 inches 2nd end
Seat Angle: 37.0 degrees 1st end
Seat Angle: 37.0 degrees 2nd end
Outer Covering Environmental Protection: abrasion resistant and oil resistant and water resistant
Inside Surface Condition: smooth
Measuring Method And Length: 120.000 inches nominal working
Thread Series Designator: un 1st end
Thread Series Designator: un 2nd end

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
12M3K-12FJX-12MJ-120IN	Nonmetallic Hose Assembly
AMD-1741 ITEM 10	Nonmetallic Hose Assembly

FAQs

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

What is the FSCG of the NSN 4720-01-554-4478?

The FSCG of the NSN 4720-01-554-4478 is 4720

Does NSN 4720-01-554-4478 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 4720-01-554-4478 contain precious materials?

Item does not contain precious metal.

Does NSN 4720-01-554-4478 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 4720-01-554-4478 was assigned to the Federal Catalog?

It was assigned 18 years ago, on Thu, Aug 9, 2007