The Hose,preformed, cataloged under National Stock Number 4720-01-253-3539, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier. Government technical data includes 8 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4720-01-253-3539 |
| Primary Part Number | 615AS329 |
| Item Name | Hose,preformed |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| Status | ACTIVE |
| Style Designator | SINGLE BEND |
| Wall Thickness | 0.195 INCHES NOMINAL IN |
| Inside Diameter | 1.750 INCHES NOMINAL IN |
| Material | RUBBER SYNTHETIC OVERALL |
| Bend Radius | 1.070 INCHES NOMINAL IN |
| Second Arm Length | 3.930 INCHES NOMINAL IN |
| Working Length | 5.000 INCHES NOMINAL IN |
| First Arm Length | 2.118 INCHES NOMINAL IN |
| 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 |
|---|---|
| 615AS329 PRIMARY | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
NSN 4720-01-253-3539 is a Hose,preformed, manufactured by Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-01-253-3539 has 1 manufacturer part number on file: 615AS329 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier).
Key specifications for 615AS329: Style Designator: SINGLE BEND; Wall Thickness: 0.195 INCHES NOMINAL IN; Inside Diameter: 1.750 INCHES NOMINAL IN; Material: RUBBER SYNTHETIC OVERALL. 8 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.