The Flange,pipe, cataloged under National Stock Number 4730-01-201-8164, 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 12 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-201-8164 |
| Primary Part Number | 810-4715319, FIG.1-A, ITEM 33 |
| Item Name | Flange,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Flange Diameter | 6.125 INCHES NOMINAL IN |
| Face Seating Surface Condition | GROUND |
| Maximum Operating Temp and Media for Which Designed | 150.0 FAHRENHEIT GAS AND 150.0 FAHRENHEIT OIL AND 150.0 FAHRENHEIT WATER DEGF |
| Operating Pressure and Type | 150.0 POUNDS PER SQUARE INCH (PSI) GAS MAXIMUM REQUIRED AND 150.0 POUNDS PER SQUARE INCH (PSI) OIL MAXIMUM REQUIRED AND 150.0 POUNDS PER SQUARE INCH (PSI) WATER MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS |
| Flange Section Style | PLAIN FACE |
| Style Designator | ROUND, ONE BOLT HOLE CIRCLE |
| Bolt Hole Diameter | 0.562 INCHES NOMINAL IN |
| Material Document and Classification | MIL-C-15726,90/10 MIL SPEC SINGLE MATERIAL RESPONSE |
| Bolt Hole Quantity | 6 |
| Bolt Circle Diameter | 5.000 INCHES NOMINAL IN |
| Material | COPPER ALLOY |
| Thickness | 0.500 INCHES NOMINAL 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 |
|---|---|
| 810-4715319, FIG.1-A, ITEM 33 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 810-4715319 | D/9 Drawing number reference only Naval Sea Systems Command |
| 810-47153 19A,FIG.1-A,ITEM 33 | 5/9 Secondary reference Naval Sea Systems Command |
NSN 4730-01-201-8164 is a Flange,pipe, manufactured by Naval Sea Systems Command, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-201-8164 has 1 manufacturer part number on file: 810-4715319, FIG.1-A, ITEM 33 (Naval Sea Systems Command).
Key specifications for 810-4715319, FIG.1-A, ITEM 33: Flange Diameter: 6.125 INCHES NOMINAL IN; Face Seating Surface Condition: GROUND; Maximum Operating Temp and Media for Which Designed: 150.0 FAHRENHEIT GAS AND 150.0 FAHRENHEIT OIL AND 150.0 FAHRENHEIT WATER DEGF; Operating Pressure and Type: 150.0 POUNDS PER SQUARE INCH (PSI) GAS MAXIMUM REQUIRED AND 150.0 POUNDS PER SQUARE INCH (PSI) OIL MAXIMUM REQUIRED AND 150.0 POUNDS PER SQUARE INCH (PSI) WATER MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS. 12 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.