The Hose,air Duct, cataloged under National Stock Number 4720-01-088-9679, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Lockheed Martin Corp Electronics and Missiles Div. Government technical data includes 20 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4720-01-088-9679 |
| Primary Part Number | 144647-3 |
| Item Name | Hose,air Duct |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Lockheed Martin Corp Electronics and Missiles Div |
| Status | ACTIVE |
| Measuring Method and Length | 19.300 INCHES NOMINAL OVERALL IN |
| Minimum Inside Bending Radius | 1.250 INCHES IN |
| Connection Style | ROUND SECOND END |
| Connection Style | ROUND FIRST END |
| Connection Type | SOFT SECOND END |
| Connection Type | SOFT FIRST END |
| Style Designator | HELICALLY WOUND CONTINOUS WIRE SUPPORTED |
| Cross-Sectional Shape Style | ROUND |
| Operating Pressure | 8.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS |
| Specification/standard Data | 81349-MIL-H-8796 GOVERNMENT SPECIFICATION |
| Nondefinitive Spec/std Data | 1 TYPE AND 1 CLASS |
| Inside Diameter | 1.250 INCHES NOMINAL FIRST END IN |
| End Overall Length | 0.625 INCHES NOMINAL SECOND END IN |
| End Overall Length | 0.625 INCHES NOMINAL FIRST END IN |
| End Inside Diameter | 1.250 INCHES NOMINAL SECOND END IN |
| End Inside Diameter | 1.500 INCHES NOMINAL FIRST END IN |
| Material | FIBERGLASS AND RESIN FIRST PLY |
| Material | FIBERGLASS AND RUBBER CHLOROPRENE CLASS CR REINFORCING CORD |
| Material | STEEL CORROSION RESISTING REINFORCING WIRE |
| Material | FIBERGLASS AND RESIN 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 |
|---|---|
| 144647-3 PRIMARY | Lockheed Martin Corp Electronics and Missiles Div (USA) |
| Reference | Meaning |
|---|---|
| SAE-AS8796 | 3/1 Design control — primary reference Sae International Dba Sae International |
| MIL-H-8796 | 5/9 Secondary reference U.S. Government activity |
| 144647 | D/9 Drawing number reference only Lockheed Martin Corp Electronics and Missiles Div |
NSN 4720-01-088-9679 is a Hose,air Duct, manufactured by Lockheed Martin Corp Electronics and Missiles Div, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-01-088-9679 has 1 manufacturer part number on file: 144647-3 (Lockheed Martin Corp Electronics and Missiles Div).
Key specifications for 144647-3: Measuring Method and Length: 19.300 INCHES NOMINAL OVERALL IN; Minimum Inside Bending Radius: 1.250 INCHES IN; Connection Style: ROUND SECOND END; Connection Style: ROUND FIRST END. 20 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.