The Hose Assembly,air Duct, cataloged under National Stock Number 4720-00-307-0395, is classified within Federal Supply Class 4720 (No Item Name Available) of the Pipe, Tubing, Hose, and Fittings group. The primary manufacturer of record is Hbd Industries, Inc. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4720-00-307-0395 |
| Primary Part Number | AL581-31 |
| Item Name | Hose Assembly,air Duct |
| FSC / FSG | 4720 / 47 — No Item Name Available |
| Manufacturer | Hbd Industries, Inc |
| Status | ACTIVE |
| Style Designator | HELICALLY WOUND CONTINOUS WIRE SUPPORTED |
| Coupling Style | RAISED FACE FLANGE FIRST END |
| Connection Type | COUPLING FIRST END |
| Features Provided | SCUFF STRIP |
| Measuring Method and Length | 18.000 INCHES NOMINAL OVERALL IN |
| Material | ALUMINUM ALLOY FIRST END COUPLING |
| Surface Treatment | ENAMEL FIRST END COUPLING |
| Wall Thickness | 0.050 INCHES NOMINAL IN |
| Inside Diameter | 2.750 INCHES NOMINAL FIRST END IN |
| Cross-Sectional Shape Style | ROUND |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| AL581-31 PRIMARY | Hbd Industries, Inc (USA) |
| 91064 | Arrowhead Products Corp (USA) |
| 20-58163-1 | The Boeing Company Div Defense (USA) |
| 03212 | Kirkhill, Inc. Dba Kirkhill Inc (USA) |
NSN 4720-00-307-0395 is a Hose Assembly,air Duct, manufactured by Hbd Industries, Inc, classified under FSC 4720 (No Item Name Available). Status: active.
NSN 4720-00-307-0395 has 4 cross-referenced part numbers: AL581-31 (Hbd Industries, Inc), 91064 (Arrowhead Products Corp), 20-58163-1 (The Boeing Company Div Defense), 03212 (Kirkhill, Inc. Dba Kirkhill Inc).
There are 7 known substitutes for 4720-00-307-0395: 4935-00-262-4442, 6520-00-536-4025, 5930-00-556-0400 and 4 more. Verify interchangeability with system specifications before substitution.
Key specifications for AL581-31: Style Designator: HELICALLY WOUND CONTINOUS WIRE SUPPORTED; Coupling Style: RAISED FACE FLANGE FIRST END; Connection Type: COUPLING FIRST END; Features Provided: SCUFF STRIP. 11 total characteristics are documented in the Federal Logistics Information System.