The Hose,air Duct, cataloged under National Stock Number 4720-00-808-7901, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 14 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4720-00-808-7901 |
| Primary Part Number | 10918918-1 |
| Item Name | Hose,air Duct |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Hose Weight | 2.250 OUNCES PER LINEAR FOOT OZ |
| Measuring Method and Length | 12.125 INCHES NOMINAL OVERALL IN |
| Minimum Inside Bending Radius | 0.375 INCHES IN |
| Connection Style | ROUND BOTH ENDS |
| Connection Type | SOFT BOTH ENDS |
| Style Designator | HELICALLY WOUND CONTINOUS WIRE SUPPORTED |
| Cross-Sectional Shape Style | ROUND |
| Wall Thickness | 0.030 INCHES NOMINAL IN |
| Operating Pressure | 5.0 POUNDS PER SQUARE INCH (PSI) NOMINAL EXTERNAL LBS |
| Inside Diameter | 1.531 INCHES NOMINAL FIRST END IN |
| End Overall Length | 1.250 INCHES NOMINAL BOTH ENDS IN |
| End Inside Diameter | 1.531 INCHES NOMINAL BOTH ENDS IN |
| Material | STEEL REINFORCING WIRE |
| Material | RUBBER CHLOROPRENE CLASS CR FIRST 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 |
|---|---|
| 10918918-1 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 10918918 | D/9 Drawing number reference only U S Army Tank Automotive Command Amsta-Im-Mm |
NSN 4720-00-808-7901 is a Hose,air Duct, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-00-808-7901 has 1 manufacturer part number on file: 10918918-1 (U S Army Tank Automotive Command Amsta-Im-Mm).
1 possible match (shared part number, not a government interchangeability claim): 4720-00-808-7903. Verify interchangeability with system specifications before substitution.
Key specifications for 10918918-1: Hose Weight: 2.250 OUNCES PER LINEAR FOOT OZ; Measuring Method and Length: 12.125 INCHES NOMINAL OVERALL IN; Minimum Inside Bending Radius: 0.375 INCHES IN; Connection Style: ROUND BOTH ENDS. 14 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.