The Spool Piece, cataloged under National Stock Number 4730-01-245-1917, 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 Lo-Rez Vibration Control Ltd. Government technical data includes 8 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through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-245-1917 |
| Primary Part Number | MCM-4002-1D |
| Item Name | Spool Piece |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Lo-Rez Vibration Control Ltd |
| Status | ACTIVE |
| End Thickness | 0.875 INCHES NOMINAL IN |
| End Bolt Hole Diameter | 0.656 INCHES NOMINAL IN |
| End Style | PLAIN NECK |
| End Bolt Hole Quantity | 8 |
| End Bolt Circle Diameter | 8.000 INCHES NOMINAL IN |
| Material | COPPER ALLOY |
| End Outside Diameter | 10.000 INCHES NOMINAL IN |
| Reference Number Differentiating Characteristics | MAGNETIC PERMEABILITY SHALL NOT EXCEED 2.0 AFTER FABRICATION |
| 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 |
|---|---|
| MCM-4002-1D | Lo-Rez Vibration Control Ltd (CAN) |
| Reference | Meaning |
|---|---|
| DGR4350G PT7VM | 5/9 Secondary reference Naval Inventory Control Point Mechanicsburg |
| DGR4350G PT7 | 5/9 Secondary reference Siemens Energy, Inc. |
| PGM-1180A-1 | 5/9 Secondary reference Naval Inventory Control Point Mechanicsburg |
| 4055G13-1 | 5/9 Secondary reference General Electric Co Naval and Drive Turbine Systems Dept |
| PMG-1180A-1 | C/1 Advisory reference — outside the item-of-supply concept Siemens Energy, Inc. |
| PGM-1180A-1 | 5/1 Secondary reference Siemens Energy, Inc. |
| MCM-4002-1DVM | 3/1 Design control — primary reference Naval Inventory Control Point Mechanicsburg |
NSN 4730-01-245-1917 is a Spool Piece, manufactured by Lo-Rez Vibration Control Ltd, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-245-1917 has 1 manufacturer part number on file: MCM-4002-1D (Lo-Rez Vibration Control Ltd).
Key specifications for MCM-4002-1D: End Thickness: 0.875 INCHES NOMINAL IN; End Bolt Hole Diameter: 0.656 INCHES NOMINAL IN; End Style: PLAIN NECK; Overall Length: 13.375 INCHES NOMINAL IN. 8 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.