The Elbow,pipe, cataloged under National Stock Number 4730-01-364-1683, 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 15 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-364-1683 |
| Primary Part Number | 508-4553627 SHEET 52L1 |
| Item Name | Elbow,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Flange Shape | ROUND WITH HOLES SECOND END |
| Flow Angle | 90.0 DEGREES |
| Nominal Pipe Size Accommodated | 1.500 INCHES FIRST END IN |
| Connection Style | SOCKET (PIPE) FIRST END |
| Bolt Circle Nominal Diameter | 3.938 INCHES SECOND END IN |
| Criticality Code Justification | ZZZY |
| Connection Type | UNTHREADED INTERNAL PIPE FIRST END |
| Connection Type | FLANGE SECOND END |
| Material Document and Classification | MIL-C-20159 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Bolt Hole Nominal Diameter | 0.562 INCHES SECOND END IN |
| Nominal Outside Diameter | 5.062 INCHES SECOND END IN |
| Bolt Hole Quantity | 6 SECOND END |
| Material | COPPER ALLOY OVERALL |
| Nominal Thickness | 0.812 INCHES SECOND END IN |
| Reference Number Differentiating Characteristics | QUALITY CONTROL IN ACCORDANCE WITH NAVSHIPS 0948-045-7010 MATERIAL IDENTIFICATION AND CONTROL INSTRUCTION FOR LEVEL 1 ITEMS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | S |
| Part Number | Manufacturer |
|---|---|
| 508-4553627 SHEET 52L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| 4553627 SHEET 52L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| 508-4553627 SHEET 52 | 3/1 Design control — primary reference Huntington Ingalls Inc Div Newport News Shipbuilding |
| 4553627 SHEET 52 | 5/1 Secondary reference Huntington Ingalls Inc Div Newport News Shipbuilding |
NSN 4730-01-364-1683 is a Elbow,pipe, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-364-1683 has 2 manufacturer part numbers on file: 508-4553627 SHEET 52L1 (Naval Inventory Control Point Mechanicsburg), 4553627 SHEET 52L1 (Naval Inventory Control Point Mechanicsburg).
Key specifications for 508-4553627 SHEET 52L1: Flange Shape: ROUND WITH HOLES SECOND END; Flow Angle: 90.0 DEGREES; Nominal Pipe Size Accommodated: 1.500 INCHES FIRST END IN; Connection Style: SOCKET (PIPE) FIRST END. 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.