The Reducer,tube, cataloged under National Stock Number 4730-01-194-0141, 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 Komatsu America Corp.. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-194-0141 |
| Primary Part Number | 1101511C1 |
| Item Name | Reducer,tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Komatsu America Corp. |
| Status | ACTIVE |
| Connection Style | PLAIN (TUBE) ALL ENDS |
| Connection Type | THREADED EXTERNAL TUBE ALL ENDS |
| Nominal Outside Diameter Tube Accommodated | 0.375 INCHES FIRST END IN |
| Nominal Outside Diameter Tube Accommodated | 0.250 INCHES SECOND END IN |
| Nominal Thread Size | 0.625 INCHES FIRST END IN |
| Nominal Thread Size | 0.438 INCHES SECOND END IN |
| Nominal Thread Size | 0.125 INCHES INLET IN |
| Surface Treatment | ZINC OVERALL |
| Thread Class | 2A ALL ENDS A |
| Thread Quantity Per Inch | 24 SECOND END |
| Material | STEEL OVERALL |
| Thread Series Designator | NPT INLET |
| Thread Series Designator | UNS SECOND END |
| Thread Series Designator | UNF FIRST END |
| 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 |
| Part Number | Manufacturer |
|---|---|
| 1101511C1 PRIMARY | Komatsu America Corp. (USA) |
| Reference | Meaning |
|---|---|
| 1101511C1 | 5/9 Secondary reference Komatsu American Intl Co |
| A25154 | 3/9 Design control — primary reference Sparton Corp |
| A-25154 | 5/9 Secondary reference Sparton Engineered Products Inc Flora Group |
NSN 4730-01-194-0141 is a Reducer,tube, manufactured by Komatsu America Corp., classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-194-0141 has 1 manufacturer part number on file: 1101511C1 (Komatsu America Corp.).
Key specifications for 1101511C1: Connection Style: PLAIN (TUBE) ALL ENDS; Connection Type: THREADED EXTERNAL TUBE ALL ENDS; Nominal Outside Diameter Tube Accommodated: 0.375 INCHES FIRST END IN; Nominal Outside Diameter Tube Accommodated: 0.250 INCHES SECOND END IN. 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.