The Flange,pipe, cataloged under National Stock Number 4730-01-325-5464, 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 3 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4730-01-325-5464 |
| Primary Part Number | 522 6640221 REV-ITEM 03SQ |
| Item Name | Flange,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Material Document and Classification | QQ-C-465,C63000 FED SPEC SINGLE MATERIAL RESPONSE |
| Material | COPPER ALLOY |
| Reference Number Differentiating Characteristics | QUALITY ASSURANCE TESTED FOR SUBMARINE ANTENNA APPLICATION |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | N |
| Part Number | Manufacturer |
|---|---|
| 522 6640221 REV-ITEM 03SQ | Naval Inventory Control Point Mechanicsburg (USA) |
| 522 5489362 ITEM SQ | Naval Inventory Control Point Mechanicsburg (USA) |
| L8832403SQ | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| L8832403 | 5/9 Secondary reference Naval Ship Engineering Center Philadelphia Division Submarine Antenna Quality Assurance |
| 522 6640221 REV-ITEM 03 | 5/1 Secondary reference Naval Sea Systems Command |
| 522 5489362 ITEM 3 | 3/1 Design control — primary reference Naval Sea Systems Command |
NSN 4730-01-325-5464 is a Flange,pipe, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-325-5464 has 3 manufacturer part numbers on file: 522 6640221 REV-ITEM 03SQ (Naval Inventory Control Point Mechanicsburg), 522 5489362 ITEM SQ (Naval Inventory Control Point Mechanicsburg), L8832403SQ (Naval Inventory Control Point Mechanicsburg).
Key specifications for 522 6640221 REV-ITEM 03SQ: Material Document and Classification: QQ-C-465,C63000 FED SPEC SINGLE MATERIAL RESPONSE; End Item Identification: PERIS HOIST CYL PERISCOPE NO 1; Material: COPPER ALLOY; Reference Number Differentiating Characteristics: QUALITY ASSURANCE TESTED FOR SUBMARINE ANTENNA APPLICATION. 3 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.