The Hose,air Duct, cataloged under National Stock Number 4720-01-441-3445, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Am General Llc. Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4720-01-441-3445 |
| Primary Part Number | RCSK14813-4 |
| Item Name | Hose,air Duct |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Am General Llc |
| Status | ACTIVE |
| Measuring Method and Length | 0.750 INCHES NOMINAL OVERALL IN |
| Connection Type | PLAIN BOTH ENDS |
| Style Designator | SLEEVE SECTION |
| Cross-Sectional Shape Style | ROUND |
| Wall Thickness | 0.110 INCHES MINIMUM AND 0.140 INCHES MAXIMUM IN |
| Inside Diameter | 3.000 INCHES NOMINAL FIRST END IN |
| Material | RUBBER SILICONE CLASS Q AND FIBERGLASS FIRST PLY |
| Material | RUBBER SILICONE CLASS Q AND FIBERGLASS FOURTH PLY |
| Material | RUBBER SILICONE CLASS Q AND FIBERGLASS SECOND PLY |
| Material | RUBBER SILICONE CLASS Q AND FIBERGLASS THIRD 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 |
|---|---|
| RCSK14813-4 PRIMARY | Am General Llc (USA) |
| RCSK14813-3 | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| RCSK14813-3 | 5/9 Secondary reference Am General Llc |
| RCSK14813 | D/9 Drawing number reference only U S Army Tank Automotive Command Amsta-Im-Mm |
| 4720014413445 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
NSN 4720-01-441-3445 is a Hose,air Duct, manufactured by Am General Llc, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-01-441-3445 has 2 manufacturer part numbers on file: RCSK14813-4 (Am General Llc), RCSK14813-3 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for RCSK14813-4: Measuring Method and Length: 0.750 INCHES NOMINAL OVERALL IN; Connection Type: PLAIN BOTH ENDS; Style Designator: SLEEVE SECTION; Cross-Sectional Shape Style: ROUND. 10 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.