The Adapter,straight,pipe to Tube, cataloged under National Stock Number 4730-01-221-5550, is classified within Federal Supply Class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Raytheon Company Div Rmd Strategic. Government technical data includes 12 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4730-01-221-5550 |
| Primary Part Number | 714620-1 |
| Item Name | Adapter,straight,pipe to Tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Raytheon Company Div Rmd Strategic |
| Status | ACTIVE |
| Connection Style | PLAIN (TUBE) FIRST END |
| Connection Style | PLAIN (PIPE) SECOND END |
| Nominal Overall Length | 3.750 INCHES IN |
| Connection Type | THREADED EXTERNAL PIPE SECOND END |
| Connection Type | UNTHREADED EXTERNAL TUBE FIRST END |
| Nominal Outside Diameter Tube Accommodated | 0.375 INCHES FIRST END IN |
| Nominal Thread Size | 0.375 INCHES SECOND END IN |
| Nominal Thread Size | 0.875 INCHES CENTER BULKHEAD IN |
| Thread Class | 3A CENTER BULKHEAD A |
| Material | COPPER ALLOY OVERALL |
| Thread Series Designator | UNF CENTER BULKHEAD |
| Thread Series Designator | NPT SECOND 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 |
|---|---|
| 714620-1 | Raytheon Company Div Rmd Strategic (USA) |
| Reference | Meaning |
|---|---|
| 714620 | D/9 Drawing number reference only Raytheon Company Div Rmd Strategic |
| 750-4-3/8 | 3/9 Design control — primary reference Nibco Inc |
NSN 4730-01-221-5550 is a Adapter,straight,pipe to Tube, manufactured by Raytheon Company Div Rmd Strategic, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-221-5550 has 1 manufacturer part number on file: 714620-1 (Raytheon Company Div Rmd Strategic).
Key specifications for 714620-1: Connection Style: PLAIN (TUBE) FIRST END; Connection Style: PLAIN (PIPE) SECOND END; Nominal Overall Length: 3.750 INCHES IN; Connection Type: THREADED EXTERNAL PIPE SECOND END. 12 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.