The Adapter,straight,pipe to Tube, cataloged under National Stock Number 4730-00-489-8666, is classified within Federal Supply Class 4730 (No Item Name Available) of the Pipe, Tubing, Hose, and Fittings group. The primary manufacturer of record is Swagelok Co. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-489-8666 |
| Primary Part Number | A-400-1-4 |
| Item Name | Adapter,straight,pipe to Tube |
| FSC / FSG | 4730 / 47 — No Item Name Available |
| Manufacturer | Swagelok Co |
| Status | ACTIVE |
| Nominal Outside Diameter Tube Accommodated | 0.250 INCHES FIRST END IN |
| Connection Style | FLARELESS (TUBE) FIRST END |
| Material | ALUMINUM ALLOY OVERALL |
| Thread Class | 3A FIRST END A |
| Furnished Items and Quantity | 1 TUBE COUPLING NUT AND 1 FERRULE SLEEVE |
| Connection Style | PLAIN (PIPE) SECOND END |
| Nominal Thread Size | 0.438 INCHES FIRST END IN |
| Connection Type | THREADED EXTERNAL PIPE SECOND END |
| Connection Type | THREADED EXTERNAL TUBE FIRST END |
| Seat Angle | 20.0 DEGREES FIRST END |
| Thread Series Designator | NPT SECOND END |
| Thread Series Designator | UNF FIRST END |
| Nominal Overall Length | 1.188 INCHES IN |
| Nominal Thread Size | 0.250 INCHES SECOND END IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 7M669 | The Boeing Company Div Defense (USA) |
| 2518781 | Naval Sea Systems Command (USA) |
| A-400-1-4 PRIMARY | Swagelok Co (USA) |
| 4-4 FBZ-A | Parker-Hannifin Corporation Div Instrumentation Products Division (USA) |
| 2518781-3 | Naval Sea Systems Command (USA) |
| 11448077-2 | Us Army Aviation and Missile Command (USA) |
| 7M669A4-2 | The Boeing Company Div Defense (USA) |
NSN 4730-00-489-8666 is a Adapter,straight,pipe to Tube, manufactured by Swagelok Co, classified under FSC 4730 (No Item Name Available). Status: active.
NSN 4730-00-489-8666 has 7 cross-referenced part numbers: 7M669 (The Boeing Company Div Defense), 2518781 (Naval Sea Systems Command), A-400-1-4 (Swagelok Co), 4-4 FBZ-A (Parker-Hannifin Corporation Div Instrumentation Products Division), 2518781-3 (Naval Sea Systems Command) and 2 more.
There are 3 known substitutes for 4730-00-489-8666: 4730-00-239-0189, 4730-01-070-4917, 4730-01-434-6665. Verify interchangeability with system specifications before substitution.
Key specifications for A-400-1-4: Nominal Outside Diameter Tube Accommodated: 0.250 INCHES FIRST END IN; Connection Style: FLARELESS (TUBE) FIRST END; Material: ALUMINUM ALLOY OVERALL; Thread Class: 3A FIRST END A. 15 total characteristics are documented in the Federal Logistics Information System.