The Flange,pipe, cataloged under National Stock Number 4730-00-203-6053, 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 Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings). Government technical data includes 15 specifications, cited from the U.S. Government catalog. The record lists 6 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4730-00-203-6053 |
| Primary Part Number | CS4730-0108A068DJ |
| Item Name | Flange,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) |
| Status | ACTIVE |
| Socket Diameter | 1.900 INCHES NOMINAL IN |
| Flange Diameter | 5.937 INCHES NOMINAL IN |
| Face Seating Surface Condition | MACHINED |
| Maximum Operating Temp and Media for Which Designed | 150.0 FAHRENHEIT AIR AND 425.0 FAHRENHEIT STEAM AND 150.0 FAHRENHEIT GAS AND 150.0 FAHRENHEIT OIL AND 150.0 FAHRENHEIT WATER DEGF |
| Tube Outside Diameter for Which Designed | 1.900 INCHES NOMINAL IN |
| Operating Pressure and Type | 400.0 POUNDS PER SQUARE INCH (PSI) AIR MAXIMUM REQUIRED AND 200.0 POUNDS PER SQUARE INCH (PSI) STEAM MAXIMUM REQUIRED AND 400.0 POUNDS PER SQUARE INCH (PSI) GAS MAXIMUM REQUIRED AND 400.0 POUNDS PER SQUARE INCH (PSI) OIL MAXIMUM REQUIRED AND 400.0 POUNDS PER SQUARE INCH (PSI) WATER MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS |
| Flange Section Style | PLAIN FACE, SOCKET BRAZING NECK |
| Style Designator | ROUND, ONE BOLT HOLE CIRCLE |
| Bolt Hole Diameter | 0.687 INCHES NOMINAL IN |
| Neck Height | 0.937 INCHES NOMINAL IN |
| Nondefinitive Spec/std Data | PR TYPE AND 400 CLASS |
| Bolt Hole Quantity | 6 |
| Bolt Circle Diameter | 4.625 INCHES NOMINAL IN |
| Material | COPPER ALLOY |
| Thickness | 0.812 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 |
|---|---|
| CS4730-0108A068DJ | Flagg Stanley G & Co Inc Dba Flagg Brass (USA) |
| 5178-300 | Flagg Stanley G & Co Inc Dba Flagg Brass (USA) |
| CS4730-0108A068DJ PRIMARY | Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) (USA) |
| CS4730-0108A068DJ | Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc (USA) |
| CS4730-0108A068DJ | The Walworth Company (USA) |
| CS4730-0108A068DJ | Derbyshire Machine & Tool Co (USA) |
| Reference | Meaning |
|---|---|
| MIL-F-20042 | 5/1 Secondary reference U.S. Government activity |
| 00699067582712 | 5/1 Secondary reference Flagg Stanley G & Co Inc Dba Flagg Brass |
NSN 4730-00-203-6053 is a Flange,pipe, manufactured by Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings), classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-203-6053 has 6 manufacturer part numbers on file: CS4730-0108A068DJ (Flagg Stanley G & Co Inc Dba Flagg Brass), 5178-300 (Flagg Stanley G & Co Inc Dba Flagg Brass), CS4730-0108A068DJ (Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings)), CS4730-0108A068DJ (Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc), CS4730-0108A068DJ (The Walworth Company) and 1 more.
Key specifications for CS4730-0108A068DJ: Socket Diameter: 1.900 INCHES NOMINAL IN; Flange Diameter: 5.937 INCHES NOMINAL IN; Face Seating Surface Condition: MACHINED; Maximum Operating Temp and Media for Which Designed: 150.0 FAHRENHEIT AIR AND 425.0 FAHRENHEIT STEAM AND 150.0 FAHRENHEIT GAS AND 150.0 FAHRENHEIT OIL AND 150.0 FAHRENHEIT WATER DEGF. 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.