The Coupling,tube, cataloged under National Stock Number 4730-00-203-0119, is classified within Federal Supply Class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings) of the Pipe, Tubing, Hose, and Fittings group. Government technical data includes 8 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-203-0119 |
| Item Name | Coupling,tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| Furnished Items and Quantity | 2 PREINSERTED BRAZING RING |
| Connection Style | SOCKET BRAZING RING (TUBE) ALL ENDS |
| Nominal Overall Length | 4.312 INCHES IN |
| Connection Type | UNTHREADED INTERNAL TUBE ALL ENDS |
| Style Designator | BEVELED BOTH ENDS |
| Nominal Outside Diameter Tube Accommodated | 2.375 INCHES ALL ENDS IN |
| Material | COPPER ALLOY OVERALL |
| Reference Number Differentiating Characteristics | AS DIFFERENTIATED BY TUBE SIZES |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 5000S4823-8413385PC6-9 | 3/1 Design control — primary reference Naval Sea Systems Command |
| 5000S4823-841338REV5PC6-9 | 5/9 Secondary reference U.S. Government activity |
NSN 4730-00-203-0119 is a Coupling,tube, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
Key specifications for 4730-00-203-0119: Furnished Items and Quantity: 2 PREINSERTED BRAZING RING; Connection Style: SOCKET BRAZING RING (TUBE) ALL ENDS; Nominal Overall Length: 4.312 INCHES IN; Connection Type: UNTHREADED INTERNAL TUBE ALL ENDS. 8 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.