HF857-2

View detailed technical data, stock status, and sourcing information for: HF857-2
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Federal Supply Group

Pipe, Tubing, Hose, and Fittings

Federal Supply Classification

4720 Hose and Flexible Tubing

National Stock Number

4720-00-441-4021

Item Name Code

22670

Assigment Date

05/20/1974 (52 years ago)

black exterior color, -40.0 fahrenheit and 212.0 fahrenheit single response temp rating, 2.000 inches nominal inside diameter, round cross-sectional shape style, 2.403 inches nominal outside diameter

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
Inside Diameter: 2.000 inches nominal
Temp Rating: -40.0 fahrenheit and 212.0 fahrenheit single response
Outside Diameter: 2.403 inches nominal
Exterior Color: black
Burst Test Pressure: 150.0 pounds per square inch single response
Layer Composition And Location: 1st layer rubber impregnated braided polyamide cord and 2nd layer rubber impregnated braided polyamide cord and 3rd layer rubber impregnated braided polyamide cord and 4th layer rubber impregnated braided polyamide cord and outer layer molded rubber, synthetic
Outer Covering Environmental Protection: heat resistant and solvent resistant and oil resistant and vibration resistant
Inside Surface Condition: smooth
Measuring Method And Length: 4.000 inches nominal overall
Material: rubber ethylene-propylene class epm tube
Media For Which Designed: fuel/oil, hydrocarbon single response
Specification/Standard Data: 81348-zz-h-428d professional/industrial association standard
Nondefinitive Spec/Std Data: 1 type and 1 class and b grade

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
HF857-2	Nonmetallic Hose
ZZ-H-428D	Nonmetallic Hose

FAQs

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

What is the FSCG of the NSN 4720-00-441-4021?

The FSCG of the NSN 4720-00-441-4021 is 4720

Does NSN 4720-00-441-4021 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 4720-00-441-4021 contain precious materials?

Precious metal content is unknown

Does NSN 4720-00-441-4021 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 4720-00-441-4021 was assigned to the Federal Catalog?

It was assigned 52 years ago, on Mon, May 20, 1974