The Hose Assembly,nonmetallic, cataloged under National Stock Number 4720-01-028-1817, 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 30 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 4720-01-028-1817 |
| Primary Part Number | 400S5764-0370 |
| Item Name | Hose Assembly,nonmetallic |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Smiths Tubular Systems-Laconia, Inc. |
| Status | ACTIVE |
| Measuring Method and Length | 37.000 INCHES NOMINAL WORKING IN |
| Temp Rating | -65.0 FAHRENHEIT AND 190.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Flange Thickness | 0.360 INCHES NOMINAL SECOND END IN |
| Minimum Inside Bending Radius | 4.500 INCHES IN |
| Connection Style | FLARE FIRST END |
| Connection Style | PLAIN SWIVEL SECOND END |
| End Connection Design | STRAIGHT FIRST END |
| End Connection Design | STRAIGHT SECOND END |
| Layer Composition and Location | OUTER LAYER BRAIDED CORROSION RESISTANT STEEL WIRE |
| Connection Type | PLAIN FACE FLANGE SECOND END |
| Connection Type | THREADED INTERNAL TUBE FIRST END |
| Bolt Hole Diameter | 0.266 INCHES NOMINAL SECOND END IN |
| Cross-Sectional Shape Style | ROUND |
| Outside Diameter | 1.780 INCHES NOMINAL IN |
| Operating Pressure | 300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS |
| Flange Length | 2.420 INCHES NOMINAL SECOND END IN |
| Thread Direction | RIGHT-HAND FIRST END |
| Nominal Thread Size | 1.875 INCHES FIRST END IN |
| Seat Angle | 37.0 DEGREES FIRST END |
| Exterior Color | NATURAL |
| Inside Diameter | 1.500 INCHES NOMINAL IN |
| Inside Surface Condition | CONVOLUTED |
| Bolt Hole Quantity | 4 SECOND END |
| Center to Center Distance Between Bolt Holes Along Length | 1.813 INCHES NOMINAL SECOND END IN |
| Center to Center Distance Between Bolt Holes Along Width | 1.813 INCHES NOMINAL SECOND END IN |
| Flange Width | 2.420 INCHES NOMINAL SECOND END IN |
| Hydrostatic Test Pressure | 450.0 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3B FIRST END |
| Burst Test Pressure | 600.0 POUNDS PER SQUARE INCH LBS |
| Thread Quantity Per Inch | 12 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 |
|---|---|
| 400S5764-0370 PRIMARY | Smiths Tubular Systems-Laconia, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 582R538H02 | 3/2 Design control — primary reference U.S. Government activity |
| 582R538 | D/9 Drawing number reference only U.S. Government activity |
NSN 4720-01-028-1817 is a Hose Assembly,nonmetallic, manufactured by Smiths Tubular Systems-Laconia, Inc., classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-01-028-1817 has 1 manufacturer part number on file: 400S5764-0370 (Smiths Tubular Systems-Laconia, Inc.).
2 possible matches (shared part number, not a government interchangeability claim): 4720-01-028-9598, 4720-01-038-8841. Verify interchangeability with system specifications before substitution.
Key specifications for 400S5764-0370: Measuring Method and Length: 37.000 INCHES NOMINAL WORKING IN; Temp Rating: -65.0 FAHRENHEIT AND 190.0 FAHRENHEIT SINGLE RESPONSE DEGF; Flange Thickness: 0.360 INCHES NOMINAL SECOND END IN; Minimum Inside Bending Radius: 4.500 INCHES IN. 30 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.