The Flange,pipe,swivel Retaining, cataloged under National Stock Number 4730-00-289-0789, is classified within Federal Supply Class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings) of the Pipe, Tubing, Hose, and Fittings group. Government technical data includes 17 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-289-0789 |
| Item Name | Flange,pipe,swivel Retaining |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| Flange Diameter | 2.094 INCHES NOMINAL IN |
| Face Seating Surface Condition | MACHINED |
| Surface Treatment Document and Classification | QQ-P-416,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE |
| Maximum Operating Temp and Media for Which Designed | 275.0 FAHRENHEIT WATER DEGF |
| Tube Outside Diameter for Which Designed | 1.500 INCHES NOMINAL IN |
| Operating Pressure and Type | 500.0 POUNDS PER SQUARE INCH (PSI) WATER MAXIMUM REQUIRED LBS |
| Flange Section Style | PLAIN RECESSED FACE |
| Style Designator | ROUND, NO BOLT HOLES |
| Bolt Hole Diameter | 0.266 INCHES NOMINAL IN |
| Recess Depth | 0.168 INCHES MINIMUM AND 0.188 INCHES MAXIMUM IN |
| Recess Diameter | 2.100 INCHES MINIMUM AND 2.135 INCHES MAXIMUM IN |
| Bolt Hole Quantity | 4 |
| Bolt Circle Diameter | 2.562 INCHES MINIMUM AND 2.578 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM AND PAINT |
| Flange Width | 2.375 INCHES MINIMUM AND 2.400 INCHES MAXIMUM IN |
| Material | STEEL OR STEEL COMP 1010 |
| Thickness | 0.297 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| AS4875 | 5/1 Secondary reference Sae International Dba Sae International |
| AN756-24 | 5/9 Secondary reference U.S. Government activity |
| SAE-AS4875 | 5/1 Secondary reference Sae International Dba Sae International |
| MS20756-24 | 2/2 Government specification standardization U.S. Government activity |
NSN 4730-00-289-0789 is a Flange,pipe,swivel Retaining, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
Key specifications for 4730-00-289-0789: Flange Diameter: 2.094 INCHES NOMINAL IN; Face Seating Surface Condition: MACHINED; Surface Treatment Document and Classification: QQ-P-416,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE; Maximum Operating Temp and Media for Which Designed: 275.0 FAHRENHEIT WATER DEGF. 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.