The Adapter,straight,pipe to Tube, cataloged under National Stock Number 4730-01-340-5809, 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 Omega Engineering, Inc.. Government technical data includes 15 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-340-5809 |
| Primary Part Number | BRLK-18-18 |
| Item Name | Adapter,straight,pipe to Tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Omega Engineering, Inc. |
| Status | ACTIVE |
| Furnished Items and Quantity | 1 TUBE COUPLING NUT W/SLEEVE |
| Connection Style | COMPRESSION (TUBE) FIRST END |
| Connection Style | PLAIN (PIPE) SECOND END |
| Seat Nominal Radius | 0.062 INCHES FIRST END IN |
| Nominal Overall Length | 1.180 INCHES IN |
| Connection Type | THREADED EXTERNAL PIPE SECOND END |
| Connection Type | THREADED EXTERNAL TUBE FIRST END |
| Nominal Outside Diameter Tube Accommodated | 0.125 INCHES FIRST END IN |
| Operating Pressure | 5000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Nominal Thread Size | 0.125 INCHES SECOND END IN |
| Nominal Thread Size | 0.312 INCHES FIRST END IN |
| Thread Class | 3A FIRST END A |
| Material | COPPER ALLOY OVERALL |
| Thread Series Designator | NPT SECOND END |
| Thread Series Designator | UNF 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 |
|---|---|
| BRLK-18-18 PRIMARY | Omega Engineering, Inc. (USA) |
NSN 4730-01-340-5809 is a Adapter,straight,pipe to Tube, manufactured by Omega Engineering, Inc., classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-340-5809 has 1 manufacturer part number on file: BRLK-18-18 (Omega Engineering, Inc.).
Key specifications for BRLK-18-18: Furnished Items and Quantity: 1 TUBE COUPLING NUT W/SLEEVE; Connection Style: COMPRESSION (TUBE) FIRST END; Connection Style: PLAIN (PIPE) SECOND END; Seat Nominal Radius: 0.062 INCHES FIRST END IN. 15 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.