The Adapter,straight,pipe to Tube, cataloged under National Stock Number 4730-01-418-4783, 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 Swagelok Co. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-418-4783 |
| Primary Part Number | B-810-1-4RT |
| Item Name | Adapter,straight,pipe to Tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Swagelok Co |
| Status | ACTIVE |
| Nominal Overall Length | 1.710 INCHES IN |
| Nominal Outside Diameter Tube Accommodated | 0.500 INCHES FIRST END IN |
| Material | COPPER ALLOY OVERALL |
| 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 |
|---|---|
| B-810-1-4RT | South London Valve & Fitting Company Ltd T/a Swagelok London (GBR) |
| B-810-1-4RT PRIMARY | Swagelok Co (USA) |
| Reference | Meaning |
|---|---|
| B-810-1-4RT | 5/9 Secondary reference Swagelok Quick-Connect Co |
NSN 4730-01-418-4783 is a Adapter,straight,pipe to Tube, manufactured by Swagelok Co, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-418-4783 has 2 manufacturer part numbers on file: B-810-1-4RT (South London Valve & Fitting Company Ltd T/a Swagelok London), B-810-1-4RT (Swagelok Co).
Key specifications for B-810-1-4RT: Nominal Overall Length: 1.710 INCHES IN; Nominal Outside Diameter Tube Accommodated: 0.500 INCHES FIRST END IN; Special Features: MINIUMUM OPENING 0.280 INCH IN; Material: COPPER ALLOY OVERALL. 3 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.