National Item Identification Number
01-049-9421
010499421
4720-01-049-9421
4720010499421
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)
29780
29780
Reference Numbers (Part Numbers)
2259-28
2259-28-2
Required Categories
STYLE DESIGNATOR
CROSS-SECTIONAL SHAPE STYLE
INSIDE DIAMETER
MEASURING METHOD
Required Description
A4 HELICALLY WOUND CONTINUOUS WIRE SUPPORTED
B3 ROUND
1.250 INCHES NOMINAL FIR
