The Union,pipe to Tube, cataloged under National Stock Number 4730-00-331-9914, 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 Pneumercator Company, Inc.. Government technical data includes 19 specifications, cited from the U.S. Government catalog. The record lists 7 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4730-00-331-9914 |
| Primary Part Number | 4112PC30 |
| Item Name | Union,pipe to Tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Pneumercator Company, Inc. |
| Status | ACTIVE |
| Furnished Items and Quantity | 1 SHORT COUPLING NUT AND 1 FERRULE SLEEVE |
| Connection Style | PLAIN (TUBE) FIRST END |
| Connection Style | PLAIN (PIPE) SECOND END |
| Union Joint Location | FIRST END |
| Coupling Flange Shape | HEXAGON |
| Nominal Overall Length | 1.156 INCHES IN |
| Connection Type | THREADED EXTERNAL TUBE FIRST END |
| Connection Type | THREADED INTERNAL PIPE SECOND END |
| Style Designator | SCREWED |
| Nominal Outside Diameter Tube Accommodated | 0.187 INCHES FIRST END IN |
| Seat Type | BALL-CONE |
| Reduced Passage Nominal Inside Diameter | 0.094 INCHES SECOND END IN |
| Nominal Thread Size | 0.125 INCHES SECOND END IN |
| Nominal Thread Size | 0.375 INCHES FIRST END IN |
| Thread Class | 2A FIRST END A |
| Material | COPPER ALLOY OVERALL |
| Thread Series Designator | NPT 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 |
|---|---|
| 4112PC30 PRIMARY | Pneumercator Company, Inc. (USA) |
| 3968ABPC30 PRIMARY | Pneumercator Company, Inc. (USA) |
| 3968BPC30 PRIMARY | Pneumercator Company, Inc. (USA) |
| 4113PC30 PRIMARY | Pneumercator Company, Inc. (USA) |
| H3105655PC30 PRIMARY | Naval Sea Systems Command (USA) |
| 3968APC30 PRIMARY | Pneumercator Company, Inc. (USA) |
| 4111PC30 PRIMARY | Pneumercator Company, Inc. (USA) |
| Reference | Meaning |
|---|---|
| H3105655PC30 | 5/9 Secondary reference U.S. Government activity |
NSN 4730-00-331-9914 is a Union,pipe to Tube, manufactured by Pneumercator Company, Inc., classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-331-9914 has 7 manufacturer part numbers on file: 4112PC30 (Pneumercator Company, Inc.), 3968ABPC30 (Pneumercator Company, Inc.), 3968BPC30 (Pneumercator Company, Inc.), 4113PC30 (Pneumercator Company, Inc.), H3105655PC30 (Naval Sea Systems Command) and 2 more.
Key specifications for 4112PC30: Furnished Items and Quantity: 1 SHORT COUPLING NUT AND 1 FERRULE SLEEVE; Connection Style: PLAIN (TUBE) FIRST END; Connection Style: PLAIN (PIPE) SECOND END; Union Joint Location: FIRST END. 19 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.