The Hose Assembly,nonmetallic, cataloged under National Stock Number 4720-01-451-4071, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Teco-Westinghouse Motor Company. Government technical data includes 19 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4720-01-451-4071 |
| Primary Part Number | 4A12731H06 |
| Item Name | Hose Assembly,nonmetallic |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Teco-Westinghouse Motor Company |
| Status | ACTIVE |
| Measuring Method and Length | 24.000 INCHES NOMINAL EXCLUDING END FITTINGS IN |
| Temp Rating | -65.0 FAHRENHEIT AND 200.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Minimum Inside Bending Radius | 2.000 INCHES IN |
| Connection Style | INVERTED FLARE FIRST END |
| End Connection Design | STRAIGHT FIRST END |
| Layer Composition and Location | 1ST LAYER BRAIDED POLYAMIDE CORD AND OUTER LAYER MOLDED POLYURETHANE |
| Connection Type | THREADED EXTERNAL PIPE FIRST END |
| Cross-Sectional Shape Style | ROUND |
| Outside Diameter | 0.660 INCHES NOMINAL IN |
| Operating Pressure | 4000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS |
| Thread Direction | RIGHT-HAND FIRST END |
| Nominal Thread Size | 0.375 INCHES FIRST END IN |
| Seat Angle | 30.0 DEGREES FIRST END |
| Exterior Color | ORANGE |
| Inside Diameter | 0.380 INCHES NOMINAL IN |
| Inside Surface Condition | SMOOTH |
| Hydrostatic Test Pressure | 8000.0 POUNDS PER SQUARE INCH LBS |
| Burst Test Pressure | 16000.0 POUNDS PER SQUARE INCH LBS |
| Thread Series Designator | NPT 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 |
|---|---|
| 4A12731H06 PRIMARY | Teco-Westinghouse Motor Company (USA) |
| Reference | Meaning |
|---|---|
| 4A12731 | D/9 Drawing number reference only Teco-Westinghouse Motor Company |
NSN 4720-01-451-4071 is a Hose Assembly,nonmetallic, manufactured by Teco-Westinghouse Motor Company, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-01-451-4071 has 1 manufacturer part number on file: 4A12731H06 (Teco-Westinghouse Motor Company).
1 possible match (shared part number, not a government interchangeability claim): 4720-01-451-4085. Verify interchangeability with system specifications before substitution.
Key specifications for 4A12731H06: Measuring Method and Length: 24.000 INCHES NOMINAL EXCLUDING END FITTINGS IN; Temp Rating: -65.0 FAHRENHEIT AND 200.0 FAHRENHEIT SINGLE RESPONSE DEGF; Minimum Inside Bending Radius: 2.000 INCHES IN; Connection Style: INVERTED FLARE FIRST END. 19 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.