The Hose Assembly,nonmetallic, cataloged under National Stock Number 4720-01-120-9472, 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 Dept of Transportation Federal Aviation Administration. Government technical data includes 27 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4720-01-120-9472 |
| Primary Part Number | D23429 |
| Item Name | Hose Assembly,nonmetallic |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | U S Dept of Transportation Federal Aviation Administration |
| Status | ACTIVE |
| Measuring Method and Length | 30.000 INCHES NOMINAL OVERALL IN |
| Minimum Inside Bending Radius | 1.200 INCHES IN |
| Connection Style | INVERTED FLARE SECOND END |
| Connection Style | SWIVEL NUT FLARE FIRST END |
| End Connection Design | STRAIGHT FIRST END |
| End Connection Design | STRAIGHT SECOND END |
| Layer Composition and Location | 1ST LAYER MOLDED RUBBER, SYNTHETIC AND 2ND LAYER BRAIDED POLYESTER CORD AND 3RD LAYER RUBBER IMPREGNATED BRAIDED FABRIC |
| Connection Type | THREADED EXTERNAL TUBE SECOND END |
| Connection Type | THREADED INTERNAL TUBE FIRST END |
| Cross-Sectional Shape Style | ROUND |
| Outside Diameter | 0.408 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND SECOND END |
| Thread Direction | RIGHT-HAND FIRST END |
| Nominal Thread Size | 0.500 INCHES SECOND END IN |
| Nominal Thread Size | 0.438 INCHES FIRST END IN |
| Seat Angle | 37.0 DEGREES FIRST END |
| Seat Angle | 37.0 DEGREES SECOND END |
| Exterior Color | BLACK |
| Inside Diameter | 0.250 INCHES NOMINAL IN |
| Inside Surface Condition | SMOOTH |
| Media for Which Designed | FUEL/OIL, HYDROCARBON SINGLE RESPONSE |
| Thread Class | 1A SECOND END A |
| Thread Class | 2B FIRST END |
| Thread Quantity Per Inch | 20 FIRST END |
| Thread Quantity Per Inch | 18 SECOND END |
| Thread Series Designator | UNS SECOND END |
| Thread Series Designator | UNF FIRST END |
| 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 |
|---|---|
| D23429 PRIMARY | U S Dept of Transportation Federal Aviation Administration (USA) |
| Reference | Meaning |
|---|---|
| X8101-30 | C/1 Advisory reference — outside the item-of-supply concept Warner and Swasey Co Lima Plant Div Sub of Cross and Trecker Corp |
| D23429 | 5/9 Secondary reference Warner and Swasey Co Turning Div |
NSN 4720-01-120-9472 is a Hose Assembly,nonmetallic, manufactured by U S Dept of Transportation Federal Aviation Administration, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-01-120-9472 has 1 manufacturer part number on file: D23429 (U S Dept of Transportation Federal Aviation Administration).
Key specifications for D23429: Measuring Method and Length: 30.000 INCHES NOMINAL OVERALL IN; Minimum Inside Bending Radius: 1.200 INCHES IN; Connection Style: INVERTED FLARE SECOND END; Connection Style: SWIVEL NUT FLARE FIRST END. 27 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.