The Hose,metallic, cataloged under National Stock Number 4720-01-200-3131, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Hyspan Precision Products, Inc.. Government technical data includes 13 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 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4720-01-200-3131 |
| Primary Part Number | 305441 |
| Item Name | Hose,metallic |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Hyspan Precision Products, Inc. |
| Status | ACTIVE |
| Measuring Method and Length | 10.500 INCHES NOMINAL OVERALL IN |
| Temp Rating | 400.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Minimum Inside Bending Radius | 9.500 INCHES IN |
| Layer Composition and Location | OUTER LAYER BRAIDED BRONZE WIRE |
| Cross-Sectional Shape Style | ROUND |
| Outside Diameter | 3.510 INCHES MAXIMUM IN |
| Operating Pressure | 237.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Exterior Color | NATURAL |
| Inside Diameter | 2.500 INCHES NOMINAL IN |
| Hydrostatic Test Pressure | 474.0 POUNDS PER SQUARE INCH SINGLE RESPONSE LBS |
| Burst Test Pressure | 950.0 POUNDS PER SQUARE INCH SINGLE RESPONSE LBS |
| Material | COPPER ALLOY INNER CONVEYING TUBE |
| 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 |
|---|---|
| 5517537 REV B PIECE 5 | Naval Sea Systems Command (USA) |
| 305441 PRIMARY | Hyspan Precision Products, Inc. (USA) |
NSN 4720-01-200-3131 is a Hose,metallic, manufactured by Hyspan Precision Products, Inc., classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-01-200-3131 has 2 manufacturer part numbers on file: 5517537 REV B PIECE 5 (Naval Sea Systems Command), 305441 (Hyspan Precision Products, Inc.).
1 possible match (shared part number, not a government interchangeability claim): 5930-01-324-2363. Verify interchangeability with system specifications before substitution.
Key specifications for 305441: Measuring Method and Length: 10.500 INCHES NOMINAL OVERALL IN; Temp Rating: 400.0 FAHRENHEIT SINGLE RESPONSE DEGF; Minimum Inside Bending Radius: 9.500 INCHES IN; Layer Composition and Location: OUTER LAYER BRAIDED BRONZE WIRE. 13 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.