The Hose Assembly,nonmetallic, cataloged under National Stock Number 4720-01-581-5057, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Bath Iron Works Corporation. Government technical data includes 13 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4720-01-581-5057 |
| Primary Part Number | 2134-13451 |
| Item Name | Hose Assembly,nonmetallic |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Bath Iron Works Corporation |
| Status | ACTIVE |
| Measuring Method and Length | 50.0 FEET NOMINAL OVERALL FT |
| Temp Rating | -40.0 FAHRENHEIT AND 190.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Cross-Sectional Shape Style | ROUND |
| Outside Diameter | 1.120 INCHES NOMINAL IN |
| Operating Pressure | 200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS |
| End Fitting Component and Material | FEMALE THREADED EXPANDER COPPER ALLOY SECOND END |
| End Fitting Component and Material | FLANGE STEEL CORROSION RESISTING FIRST END |
| Exterior Color | BLACK |
| Inside Diameter | 0.750 INCHES NOMINAL IN |
| Inside Surface Condition | SMOOTH |
| Media for Which Designed | WATER SECOND RESPONSE |
| Media for Which Designed | AIR FIRST RESPONSE |
| Inner Conveying Tube Style | PLAIN |
| 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 |
|---|---|
| 2134-13451 PRIMARY | Bath Iron Works Corporation (USA) |
| Reference | Meaning |
|---|---|
| U1U-2134-13451 | 5/9 Secondary reference Echelon Supply and Service, Inc. |
| 2134-13451 | 5/9 Secondary reference Echelon Supply and Service, Inc. |
NSN 4720-01-581-5057 is a Hose Assembly,nonmetallic, manufactured by Bath Iron Works Corporation, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-01-581-5057 has 1 manufacturer part number on file: 2134-13451 (Bath Iron Works Corporation).
Key specifications for 2134-13451: Measuring Method and Length: 50.0 FEET NOMINAL OVERALL FT; Temp Rating: -40.0 FAHRENHEIT AND 190.0 FAHRENHEIT SINGLE RESPONSE DEGF; Cross-Sectional Shape Style: ROUND; Outside Diameter: 1.120 INCHES NOMINAL IN. 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.