The Hose Assembly,metallic, cataloged under National Stock Number 4720-00-473-4697, 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 20 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4720-00-473-4697 |
| Primary Part Number | S3188-3000 |
| Item Name | Hose Assembly,metallic |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Smiths Tubular Systems-Laconia, Inc. |
| Status | ACTIVE |
| Measuring Method and Length | 30.000 INCHES NOMINAL OVERALL IN |
| Minimum Inside Bending Radius | 5.000 INCHES IN |
| Connection Style | PLAIN FIRST END |
| End Connection Design | STRAIGHT FIRST END |
| Layer Composition and Location | OUTER LAYER BRAIDED BRONZE WIRE |
| Layer Composition and Location | 1ST LAYER BRAIDED BRONZE WIRE |
| Layer Composition and Location | 2ND LAYER BRAIDED BRONZE WIRE |
| Layer Composition and Location | 3RD LAYER BRAIDED BRONZE WIRE |
| Connection Type | THREADED EXTERNAL PIPE FIRST END |
| Cross-Sectional Shape Style | ROUND |
| Outside Diameter | 0.515 INCHES NOMINAL IN |
| Operating Pressure | 2100.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS |
| Features Provided | IDENTICAL ENDS |
| Thread Direction | RIGHT-HAND FIRST END |
| Nominal Thread Size | 0.250 INCHES FIRST END IN |
| Inside Diameter | 0.250 INCHES NOMINAL IN |
| Hydrostatic Test Pressure | 4200.0 POUNDS PER SQUARE INCH LBS |
| Burst Test Pressure | 8400.0 POUNDS PER SQUARE INCH LBS |
| Thread Series Designator | NPT FIRST END |
| 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 | X |
| Part Number | Manufacturer |
|---|---|
| S3188-3000 | Smiths Tubular Systems-Laconia, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 5149-228PCM3 | 3/2 Design control — primary reference U.S. Government activity |
| 5111-285PC23 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4720-00-473-4697 is a Hose Assembly,metallic, manufactured by Smiths Tubular Systems-Laconia, Inc., classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-00-473-4697 has 1 manufacturer part number on file: S3188-3000 (Smiths Tubular Systems-Laconia, Inc.).
Key specifications for S3188-3000: Measuring Method and Length: 30.000 INCHES NOMINAL OVERALL IN; Minimum Inside Bending Radius: 5.000 INCHES IN; Connection Style: PLAIN FIRST END; End Connection Design: STRAIGHT FIRST END. 20 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.