The Adapter,straight,flange to Pipe, cataloged under National Stock Number 4730-01-470-1618, 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 Sea Systems Command. Government technical data includes 17 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-470-1618 |
| Primary Part Number | 5338771 |
| Item Name | Adapter,straight,flange to Pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Flange Shape | ROUND WITH HOLES SECOND END |
| Nominal Width Across Flats | 3.000 INCHES SECOND END IN |
| Nominal Pipe Size Accommodated | 1.750 INCHES FIRST END IN |
| Flange Face Design | PLAIN SECOND END |
| Connection Style | PLAIN (PIPE) FIRST END |
| Bolt Circle Nominal Diameter | 0.900 INCHES SECOND END IN |
| Nominal Overall Length | 1.250 INCHES IN |
| Connection Type | FLANGE SECOND END |
| Connection Type | UNTHREADED EXTERNAL PIPE FIRST END |
| Bolt Hole Nominal Diameter | 0.531 INCHES SECOND END IN |
| Center to Center Nominal Distance Between Bolt Holes Along Width | 2.050 INCHES SECOND END IN |
| Nominal Outside Diameter | 1.560 INCHES SECOND END IN |
| Bolt Hole Quantity | 4 SECOND END |
| Nominal Width | 3.000 INCHES SECOND END IN |
| Center to Center Nominal Distance Between Bolt Holes Along Length | 2.050 INCHES SECOND END IN |
| Material | STEEL OVERALL |
| Nominal Thickness | 0.120 INCHES SECOND END IN |
| 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 |
|---|---|
| 5338771 PRIMARY | Naval Sea Systems Command (USA) |
NSN 4730-01-470-1618 is a Adapter,straight,flange to Pipe, manufactured by Naval Sea Systems Command, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-470-1618 has 1 manufacturer part number on file: 5338771 (Naval Sea Systems Command).
Key specifications for 5338771: Flange Shape: ROUND WITH HOLES SECOND END; Nominal Width Across Flats: 3.000 INCHES SECOND END IN; Nominal Pipe Size Accommodated: 1.750 INCHES FIRST END IN; Flange Face Design: PLAIN SECOND END. 17 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.