The Hose,air Duct, cataloged under National Stock Number 4720-01-048-0178, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Arrowhead Products Corp. Government technical data includes 15 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4720-01-048-0178 |
| Primary Part Number | 300199-12-82-6 |
| Item Name | Hose,air Duct |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Arrowhead Products Corp |
| Status | ACTIVE |
| Measuring Method and Length | 20.500 INCHES NOMINAL OVERALL IN |
| Minimum Inside Bending Radius | 1.500 INCHES IN |
| Connection Style | ROUND BOTH ENDS |
| Connection Type | SOFT BOTH ENDS |
| Style Designator | HELICALLY WOUND CONTINOUS WIRE SUPPORTED |
| Material Document and Classification | QQ-W-423, FORM 1, COND 3, COMP 302 FED SPEC SINGLE MATERIAL RESPONSE REINFORCING WIRE |
| Cross-Sectional Shape Style | ROUND |
| Wall Thickness | 0.125 INCHES NOMINAL IN |
| Operating Pressure | 16.0 POUNDS PER SQUARE INCH (PSI) NOMINAL EXTERNAL LBS |
| Inside Diameter | 1.500 INCHES NOMINAL FIRST END IN |
| End Overall Length | 1.500 INCHES NOMINAL BOTH ENDS IN |
| End Inside Diameter | 1.500 INCHES NOMINAL BOTH ENDS IN |
| Material | STEEL CORROSION RESISTING REINFORCING WIRE |
| Material | RUBBER CHLOROPRENE CLASS CR AND FIBERGLASS FIRST PLY |
| Material | RUBBER CHLOROPRENE CLASS CR AND FIBERGLASS SECOND PLY |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 300199-12-82-6 PRIMARY | Arrowhead Products Corp (USA) |
| Reference | Meaning |
|---|---|
| 300199 | D/9 Drawing number reference only Arrowhead Products Corp |
NSN 4720-01-048-0178 is a Hose,air Duct, manufactured by Arrowhead Products Corp, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-01-048-0178 has 1 manufacturer part number on file: 300199-12-82-6 (Arrowhead Products Corp).
2 possible matches (shared part number, not a government interchangeability claim): 4720-01-097-5548, 5905-01-321-8865. Verify interchangeability with system specifications before substitution.
Key specifications for 300199-12-82-6: Measuring Method and Length: 20.500 INCHES NOMINAL OVERALL IN; Minimum Inside Bending Radius: 1.500 INCHES IN; Connection Style: ROUND BOTH ENDS; Connection Type: SOFT BOTH ENDS. 15 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.