National Item Identification Number
01-257-4919
012574919
4720-01-257-4919
4720012574919
National Stock Number
Item Name
HOSE,AIR DUCT
Federal Supply Class
4720
Description
A flexible, tubular item of light wall construction. It must have single or multiple layers of nonmetallic material, but may contain metal wire reinforcement, foil type liner, and/or woven or braided cover. It is designed to convey under low pressure gaseous material, such as air and fumes, and light weight solid materials, such as dust, powders, and fibers. For items with couplings, see HOSE ASSEMBLY, AIR DUCT. For items of sleeve section design rated for high pressure use, see SLEEVE, SEAL, COUPLING. Excludes hose, nonmetallic.
Commercial and Government Entity Code (Supplier Data)
Reference Numbers (Part Numbers)
NAS520-64-11
Required Categories
STYLE DESIGNATOR
CROSS-SECTIONAL SHAPE STYLE
INSIDE DIAMETER
WALL THICKNESS;
Required Description
A5 SLEEVE SECTION
B3 ROUND
8.000 INCHES NOMINAL FIRST END
0.030 INCHES MINIMU
