National Item Identification Number

01-375-8089
013758089
4720-01-375-8089
4720013758089

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)

---

51913

---

WALKER POWER SYSTEMS INC.
1301 EAST JACKSON STREET
PHOENIX
AZ
85034
602-252-9716

---

51913

---

WALKER POWER SYSTEMS INC.
1301 EAST JACKSON STREET
PHOENIX
AZ
85034
602-252-9716

---

Reference Numbers (Part Numbers)

202266
202266-1

Required Categories

STYLE DESIGNATOR
CROSS-SECTIONAL SHAPE STYLE
INSIDE DIAMETER
MEASURING METHOD

Required Description

A4 HELICALLY WOUND CONTINUOUS WIRE SUPPORTED
B3 ROUND
1.750 INCHES NOMINAL FIR