The Hose Assembly,metallic, cataloged under National Stock Number 4720-00-461-1546, is classified within Federal Supply Class 4720 (No Item Name Available) of the Pipe, Tubing, Hose, and Fittings group. The primary manufacturer of record is Smiths Tubular Systems-Laconia, Inc.. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4720-00-461-1546 |
| Primary Part Number | S21906-1600W |
| Item Name | Hose Assembly,metallic |
| FSC / FSG | 4720 / 47 — No Item Name Available |
| Manufacturer | Smiths Tubular Systems-Laconia, Inc. |
| Status | ACTIVE |
| Layer Composition and Location | OUTER LAYER BRAIDED CORROSION RESISTANT STEEL WIRE |
| Outer Covering Environmental Protection | CORROSION RESISTANT |
| Outside Diameter | 0.590 INCHES NOMINAL IN |
| Thread Series Designator | UNF FIRST END |
| Measuring Method and Length | 16.000 INCHES NOMINAL WORKING IN |
| Exterior Color | NATURAL |
| Features Provided | IDENTICAL ENDS |
| Thread Direction | RIGHT-HAND FIRST END |
| Nominal Thread Size | 0.562 INCHES FIRST END IN |
| Seat Angle | 37.0 DEGREES FIRST END |
| Connection Type | THREADED INTERNAL TUBE FIRST END |
| End Connection Design | STRAIGHT FIRST END |
| Cross-Sectional Shape Style | ROUND |
| Thread Class | 3B FIRST END |
| Inner Conveying Tube Style | ANNULAR CLOSE-PITCH CORRUGATED |
| Inside Diameter | 0.375 INCHES NOMINAL IN |
| Connection Style | SWIVEL NUT FLARE FIRST END |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| S21906-1600W PRIMARY | Smiths Tubular Systems-Laconia, Inc. (USA) |
| 185935 PRIMARY | Hyspan Precision Products, Inc. (USA) |
| 18781 | Avica-Flex Metal Bellows Corp (USA) |
| 6430-63018-041 | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (USA) |
| 18781 PRIMARY | Parker Hannifin Corp Dba Pneutronics Div Stratoflex Products Division (USA) |
| 18781 | Senior Flexonics Inc (USA) |
| 85935 | Hyspan Precision Products, Inc. (USA) |
NSN 4720-00-461-1546 is a Hose Assembly,metallic, manufactured by Smiths Tubular Systems-Laconia, Inc., classified under FSC 4720 (No Item Name Available). Status: active.
NSN 4720-00-461-1546 has 7 cross-referenced part numbers: S21906-1600W (Smiths Tubular Systems-Laconia, Inc.), 185935 (Hyspan Precision Products, Inc.), 18781 (Avica-Flex Metal Bellows Corp), 6430-63018-041 (Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp), 18781 (Parker Hannifin Corp Dba Pneutronics Div Stratoflex Products Division) and 2 more.
There are 11 known substitutes for 4720-00-461-1546: 3110-00-144-8662, 4320-00-177-1816, 5305-00-286-8940 and 8 more. Verify interchangeability with system specifications before substitution.
Key specifications for S21906-1600W: Layer Composition and Location: OUTER LAYER BRAIDED CORROSION RESISTANT STEEL WIRE; Outer Covering Environmental Protection: CORROSION RESISTANT; Outside Diameter: 0.590 INCHES NOMINAL IN; Thread Series Designator: UNF FIRST END. 17 total characteristics are documented in the Federal Logistics Information System.