The Hose Assembly,metallic, cataloged under National Stock Number 4720-01-425-3830, 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 19 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4720-01-425-3830 |
| Primary Part Number | 1602AS233-1 |
| Item Name | Hose Assembly,metallic |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| Status | ACTIVE |
| Measuring Method and Length | 90.000 INCHES NOMINAL WORKING IN |
| Minimum Inside Bending Radius | 4.000 INCHES IN |
| Connection Style | SWIVEL NUT FLARE FIRST END |
| End Connection Design | STRAIGHT FIRST END |
| Layer Composition and Location | 1ST LAYER BRAIDED CORROSION RESISTANT STEEL WIRE |
| Layer Composition and Location | OUTER LAYER SPIRALLY WRAPPED POLYTETRAFLUOROETHYLENE IMPREGNATED GLASS FIBER |
| Connection Type | THREADED INTERNAL TUBE FIRST END |
| Cross-Sectional Shape Style | ROUND |
| Outside Diameter | 1.735 INCHES MAXIMUM IN |
| Features Provided | IDENTICAL ENDS |
| Thread Direction | RIGHT-HAND FIRST END |
| Nominal Thread Size | 1.312 INCHES FIRST END IN |
| Seat Angle | 37.0 DEGREES FIRST END |
| Inside Diameter | 0.985 INCHES MINIMUM IN |
| Thread Class | 3B FIRST END |
| Thread Quantity Per Inch | 12 FIRST END |
| Thread Series Designator | UN FIRST END |
| Reference Number Differentiating Characteristics | AS DIFFERENTIATED BY SPECIAL FEATURE |
| Inner Conveying Tube Style | ANNULAR CLOSE-PITCH CORRUGATED |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | F |
| Part Number | Manufacturer |
|---|---|
| 1602AS233-1 | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| Reference | Meaning |
|---|---|
| 108096-0900 | 3/1 Design control — primary reference Smiths Tubular Systems-Laconia, Inc. |
| 1602AS233 | D/9 Drawing number reference only Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
NSN 4720-01-425-3830 is a Hose Assembly,metallic, 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 4720-01-425-3830 has 1 manufacturer part number on file: 1602AS233-1 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier).
Key specifications for 1602AS233-1: Measuring Method and Length: 90.000 INCHES NOMINAL WORKING IN; Minimum Inside Bending Radius: 4.000 INCHES IN; Connection Style: SWIVEL NUT FLARE FIRST END; End Connection Design: STRAIGHT FIRST END. 19 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.