The Elbow,flange to Pipe, cataloged under National Stock Number 4730-01-177-2123, 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 Steelmasters, Inc. Government technical data includes 15 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4730-01-177-2123 |
| Primary Part Number | SMI-061301 |
| Item Name | Elbow,flange to Pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Steelmasters, Inc |
| Status | ACTIVE |
| Flange Shape | ROUND WITH HOLES SECOND END |
| Flow Angle | 90.0 DEGREES |
| Flange Face Design | PLAIN SECOND END |
| Connection Style | PLAIN (PIPE) FIRST END |
| Bolt Circle Nominal Diameter | 7.500 INCHES SECOND END IN |
| Inlet Location | LOW HEEL SINGLE INLET |
| Connection Type | FLANGE SECOND END |
| Connection Type | THREADED INTERNAL PIPE FIRST END |
| Leg Length | 3.750 INCHES NOMINAL FIRST END IN |
| Leg Length | 4.750 INCHES NOMINAL SECOND END IN |
| Nominal Thread Size | 4.000 INCHES FIRST END IN |
| Nominal Outside Diameter | 9.000 INCHES SECOND END IN |
| Bolt Hole Quantity | 2 SECOND END |
| Thread Series Designator | NPT FIRST END |
| Nominal Thickness | 1.000 INCHES SECOND END IN |
| 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 |
|---|---|
| SMI-061301 PRIMARY | Steelmasters, Inc (USA) |
| Reference | Meaning |
|---|---|
| 857-967-020 | 5/9 Secondary reference Dresser, Inc. Dba Dresser Roots Blowers & Compressors Div Dresser Roots |
NSN 4730-01-177-2123 is a Elbow,flange to Pipe, manufactured by Steelmasters, Inc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-177-2123 has 1 manufacturer part number on file: SMI-061301 (Steelmasters, Inc).
Key specifications for SMI-061301: Flange Shape: ROUND WITH HOLES SECOND END; Flow Angle: 90.0 DEGREES; Flange Face Design: PLAIN SECOND END; Connection Style: PLAIN (PIPE) FIRST END. 15 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.