The Hose Assembly,nonmetallic, cataloged under National Stock Number 4720-01-329-7256, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Smiths Tubular Systems-Laconia, Inc.. Government technical data includes 29 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 4720-01-329-7256 |
| Primary Part Number | CC000220CC0200F |
| Item Name | Hose Assembly,nonmetallic |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Smiths Tubular Systems-Laconia, Inc. |
| Status | ACTIVE |
| Flow Angle | 90.0 DEGREES SECOND END |
| Measuring Method and Length | 20.000 INCHES NOMINAL WORKING IN |
| Temp Rating | -65.0 FAHRENHEIT AND 400.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Minimum Inside Bending Radius | 3.500 INCHES 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 |
| Layer Composition and Location | 1ST LAYER SPIRALLY WRAPPED POLYTETRAFLUOROETHYLENE IMPREGNATED GLASS FIBER AND 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 | 1.560 INCHES NOMINAL IN |
| Operating Pressure | 1000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS |
| Thread Direction | RIGHT-HAND SECOND END |
| Thread Direction | RIGHT-HAND FIRST END |
| Nominal Thread Size | 1.625 INCHES SECOND END IN |
| Nominal Thread Size | 1.625 INCHES FIRST END IN |
| Seat Angle | 37.0 DEGREES FIRST END |
| Seat Angle | 37.0 DEGREES SECOND END |
| Inside Diameter | 1.239 INCHES NOMINAL IN |
| Inside Surface Condition | CONVOLUTED |
| Hydrostatic Test Pressure | 2000.0 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3B SECOND END |
| Thread Class | 3B FIRST END |
| Burst Test Pressure | 4000.0 POUNDS PER SQUARE INCH LBS |
| Thread Quantity Per Inch | 12 SECOND END |
| Thread Quantity Per Inch | 12 FIRST END |
| Outer Covering Environmental Protection | CORROSION RESISTANT |
| 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 |
|---|---|
| 23038689-1 | Rolls-Royce Corporation (USA) |
| CC000220CC0200F PRIMARY | Smiths Tubular Systems-Laconia, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 23038689 | D/9 Drawing number reference only Rolls-Royce Corporation |
NSN 4720-01-329-7256 is a Hose Assembly,nonmetallic, manufactured by Smiths Tubular Systems-Laconia, Inc., classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-01-329-7256 has 2 manufacturer part numbers on file: 23038689-1 (Rolls-Royce Corporation), CC000220CC0200F (Smiths Tubular Systems-Laconia, Inc.).
2 possible matches (shared part number, not a government interchangeability claim): 4720-01-330-2458, 4720-01-417-6713. Verify interchangeability with system specifications before substitution.
Key specifications for CC000220CC0200F: Flow Angle: 90.0 DEGREES SECOND END; Measuring Method and Length: 20.000 INCHES NOMINAL WORKING IN; Temp Rating: -65.0 FAHRENHEIT AND 400.0 FAHRENHEIT SINGLE RESPONSE DEGF; Minimum Inside Bending Radius: 3.500 INCHES IN. 29 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.