National Item Identification Number
01-227-1979
012271979
4720-01-227-1979
4720012271979
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)
L9
L9 SILIC0N FIBE
L9 3.00 INCH IN
L9-3ID
Required Categories
MATERIAL
SURFACE TREATMENT
STYLE DESIGNATOR
CROSS-SECTIONAL SHAPE STYLE
INSI
Required Description
FIBERGLASS 1ST PLY
STEEL 2ND PLY
ZINC 2ND PLY
A4 HELICALLY WOUND CONTINUOUS W