8657-4

View detailed technical data, stock status, and sourcing information for: 8657-4
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Federal Supply Group

Pipe, Tubing, Hose, and Fittings

Federal Supply Classification

4720 Hose and Flexible Tubing

National Stock Number

4720-00-277-6549

Item Name Code

08412

Assigment Date

01/01/1961 (65 years ago)

0.735 inches minimum and 0.760 inches maximum inside diameter, interlocked packed inner conveying tube style, 500.0 pounds per square inch single response hydrostatic test pressure, 12.000 inches minimum inside bending radius, round cross-sectional shape style

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: 0.735 inches minimum and 0.760 inches maximum
Minimum Inside Bending Radius: 12.000 inches
Inner Conveying Tube Style: interlocked packed
Hydrostatic Test Pressure: 500.0 pounds per square inch single response
Measuring Method And Length: 900.000 inches nominal overall
Material: steel inner conveying tube

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
4720-00-200-0999	No Name Available	09/12/1971
4720-00-277-6544	No Name Available	11/01/1977
4720-00-277-6546	No Name Available	01/01/1978
4720-00-277-6547	No Name Available	12/01/1977
4720-00-277-6548	No Name Available	03/14/1969
4720-00-277-6550	No Name Available	03/14/1969
4720-00-277-6551	No Name Available	03/01/1978
4720-00-277-6552	No Name Available	03/14/1969
4720-00-277-6554	No Name Available	03/14/1969
4720-00-277-6555	No Name Available	11/01/1977
4720-00-277-6557	No Name Available	03/14/1969
4720-00-277-6568	No Name Available	03/14/1969
4720-00-277-6569	No Name Available	03/14/1969

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
03006-120FT	Metallic Hose
4570-1-120FT	Metallic Hose
8657-4	Metallic Hose
KB404-120LG	Metallic Hose
S04570-001	Metallic Hose

FAQs

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

What is the FSCG of the NSN 4720-00-277-6549?

The FSCG of the NSN 4720-00-277-6549 is 4720

Does NSN 4720-00-277-6549 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 4720-00-277-6549 contain precious materials?

Precious metal content is unknown

Does NSN 4720-00-277-6549 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 4720-00-277-6549 was assigned to the Federal Catalog?

It was assigned 65 years ago, on Sun, Jan 1, 1961