The Reducer,tube, cataloged under National Stock Number 4730-00-811-8680, 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 14 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-811-8680 |
| Item Name | Reducer,tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| Connection Style | PLAIN (TUBE) ALL ENDS |
| Tubing Wall Nominal Thickness for Which Designed | 0.083 INCHES FIRST END IN |
| Tubing Wall Nominal Thickness for Which Designed | 0.083 INCHES SECOND END IN |
| Tubing Wall Nominal Thickness for Which Designed | 0.072 INCHES THIRD END IN |
| Nominal Overall Length | 1.094 INCHES IN |
| Connection Type | UNTHREADED INTERNAL TUBE ALL ENDS |
| Material Document and Classification | ANSI B16.22 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Outside Diameter Tube Accommodated | 0.625 INCHES SECOND END IN |
| Nominal Outside Diameter Tube Accommodated | 2.125 INCHES FIRST END IN |
| Operating Pressure | 300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Media for Which Designed | AIR FIRST RESPONSE |
| Media for Which Designed | REFRIGERATION COMPOUND SECOND RESPONSE |
| Material | COPPER ALLOY OR COPPER OVERALL |
| Reducer Type | CONCENTRIC |
| 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 |
|---|---|
| W1079 | 5/1 Secondary reference Mueller Brass Co. |
| ANSI B16.22 | 3/1 Design control — primary reference U.S. Government activity |
| 11241678-24 | 5/9 Secondary reference Ballistic Missile Defense Systems Command |
NSN 4730-00-811-8680 is a Reducer,tube, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
Key specifications for 4730-00-811-8680: Connection Style: PLAIN (TUBE) ALL ENDS; Tubing Wall Nominal Thickness for Which Designed: 0.083 INCHES FIRST END IN; Tubing Wall Nominal Thickness for Which Designed: 0.083 INCHES SECOND END IN; Tubing Wall Nominal Thickness for Which Designed: 0.072 INCHES THIRD END 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.