The Coupling,tube, cataloged under National Stock Number 4730-01-153-8380, 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 Cbc Machine. Government technical data includes 14 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 | 4730-01-153-8380 |
| Primary Part Number | TYPE 253 T.O.E. 2IN |
| Item Name | Coupling,tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Cbc Machine |
| Status | ACTIVE |
| Connection Style | PLAIN (TUBE) SECOND END |
| Connection Style | PLAIN (TUBE) FIRST END |
| Tubing Wall Nominal Thickness for Which Designed | 0.219 INCHES SECOND END IN |
| Nominal Overall Length | 5.625 INCHES IN |
| Connection Type | THREADED EXTERNAL TUBE FIRST END |
| Connection Type | UNTHREADED EXTERNAL TUBE SECOND END |
| Style Designator | SWAGED AND THREADED INTERNAL SWIVEL |
| Nominal Outside Diameter Tube Accommodated | 2.875 INCHES FIRST END IN |
| Nominal Outside Diameter Tube Accommodated | 2.875 INCHES SECOND END IN |
| Nominal Thread Size | 2.406 INCHES FIRST END IN |
| Thread Class | 2A FIRST END A |
| Thread Quantity Per Inch | 12 FIRST END |
| Material | ALUMINUM ALLOY OVERALL |
| Thread Series Designator | UN 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 |
|---|---|
| TYPE 253 T.O.E. 2IN PRIMARY | Cbc Machine (USA) |
NSN 4730-01-153-8380 is a Coupling,tube, manufactured by Cbc Machine, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-153-8380 has 1 manufacturer part number on file: TYPE 253 T.O.E. 2IN (Cbc Machine).
Key specifications for TYPE 253 T.O.E. 2IN: Connection Style: PLAIN (TUBE) SECOND END; Connection Style: PLAIN (TUBE) FIRST END; Tubing Wall Nominal Thickness for Which Designed: 0.219 INCHES SECOND END IN; Nominal Overall Length: 5.625 INCHES IN. 14 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.