The Spool Piece, cataloged under National Stock Number 4730-01-465-8442, 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 Naval Inventory Control Point Mechanicsburg. Government technical data includes 9 specifications, cited from the U.S. Government catalog. The record lists 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4730-01-465-8442 |
| Primary Part Number | 2603509-15CP |
| Item Name | Spool Piece |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Nominal Pipe Size Designation | 6.000 INCHES IN |
| End Thickness | 0.250 INCHES NOMINAL IN |
| End Bolt Hole Diameter | 7.000 INCHES NOMINAL IN |
| End Style | PLAIN FACE, LONG NECK |
| End Bolt Hole Quantity | 8 |
| End Bolt Circle Diameter | 7.750 INCHES NOMINAL IN |
| Material | STEEL COMP 304 |
| End Outside Diameter | 6.000 INCHES NOMINAL IN |
| Reference Number Differentiating Characteristics | ITEMS THAT REQUIRE SPECIAL CLEANING AND PACKAGING FOR OXYGEN/NITROGEN SERVICE |
| 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 |
|---|---|
| 2603509-15CP | Naval Inventory Control Point Mechanicsburg (USA) |
| 54401-1 | Hexco International Dba Acd (USA) |
| Reference | Meaning |
|---|---|
| 2603509-15 | 3/1 Design control — primary reference Cosmodyne, Llc Dba Cosmodyne Llc |
NSN 4730-01-465-8442 is a Spool Piece, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-465-8442 has 2 manufacturer part numbers on file: 2603509-15CP (Naval Inventory Control Point Mechanicsburg), 54401-1 (Hexco International Dba Acd).
Key specifications for 2603509-15CP: Nominal Pipe Size Designation: 6.000 INCHES IN; End Thickness: 0.250 INCHES NOMINAL IN; End Bolt Hole Diameter: 7.000 INCHES NOMINAL IN; End Style: PLAIN FACE, LONG NECK. 9 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.