The Reducer,pipe, cataloged under National Stock Number 4730-01-630-6294, 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 Mcmaster-Carr Supply Company. Government technical data includes 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-630-6294 |
| Primary Part Number | 4452K823 |
| Item Name | Reducer,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Mcmaster-Carr Supply Company |
| Status | ACTIVE |
| Nominal Overall Length | 2.50 INCHES IN |
| Style Designator | THREADED INTERNAL |
| Operating Pressure | 1000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| 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 |
|---|---|
| 4452K823 | Mcmaster-Carr Supply Company (USA) |
| Reference | Meaning |
|---|---|
| 4452K823 | 3/9 Design control — primary reference Merit Brass Co |
NSN 4730-01-630-6294 is a Reducer,pipe, manufactured by Mcmaster-Carr Supply Company, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-630-6294 has 1 manufacturer part number on file: 4452K823 (Mcmaster-Carr Supply Company).
Key specifications for 4452K823: Nominal Overall Length: 2.50 INCHES IN; Style Designator: THREADED INTERNAL; Operating Pressure: 1000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS; Special Features: ITEM:PIPE SIZE 2 INCH AND 1 INCH, CAN ALSO USE WITH NATURAL GAS,STEAM AND AIR, 0.76 INCH THREAD ENGAGEMENT IN. 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.