The Hose Assembly,metallic, cataloged under National Stock Number 4720-01-128-9611, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. Government technical data includes 25 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4720-01-128-9611 |
| Item Name | Hose Assembly,metallic |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Status | ACTIVE |
| Flow Angle | 45.0 DEGREES SECOND END |
| Measuring Method and Length | 20.620 INCHES NOMINAL WORKING IN |
| Connection Style | SWIVEL NUT FLARE SECOND END |
| Connection Style | SWIVEL NUT FLARE FIRST END |
| End Connection Design | ELBOW SECOND END |
| End Connection Design | STRAIGHT FIRST END |
| Criticality Code Justification | FEAT |
| Layer Composition and Location | OUTER LAYER BRAIDED CORROSION RESISTANT STEEL WIRE |
| Connection Type | THREADED INTERNAL TUBE SECOND END |
| Connection Type | THREADED INTERNAL TUBE FIRST END |
| Cross-Sectional Shape Style | ROUND |
| Outside Diameter | 0.775 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND SECOND END |
| Thread Direction | RIGHT-HAND FIRST END |
| Nominal Thread Size | 0.750 INCHES SECOND END IN |
| Nominal Thread Size | 0.750 INCHES FIRST END IN |
| Seat Angle | 45.0 DEGREES SECOND END |
| Seat Angle | 45.0 DEGREES FIRST END |
| Exterior Color | NATURAL |
| Inside Diameter | 0.460 INCHES NOMINAL IN |
| Thread Class | 3B SECOND END |
| Thread Class | 3B FIRST END |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) FIRST END |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) SECOND END |
| Inner Conveying Tube Style | ANNULAR OPEN-PITCH CORRUGATED |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Reference | Meaning |
|---|---|
| 75380 | 5/9 Secondary reference The Boeing Company Div Defense |
| 75380 | 5/9 Secondary reference Senior Flexonics Inc |
| 75380 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4720-01-128-9611 is a Hose Assembly,metallic, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
2 possible matches (shared part number, not a government interchangeability claim): 2995-01-289-6458, 5998-01-564-4203. Verify interchangeability with system specifications before substitution.
Key specifications for 4720-01-128-9611: Flow Angle: 45.0 DEGREES SECOND END; Measuring Method and Length: 20.620 INCHES NOMINAL WORKING IN; Connection Style: SWIVEL NUT FLARE SECOND END; Connection Style: SWIVEL NUT FLARE FIRST END. 25 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.
NSN 4720-01-128-9611 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.