The Elbow,swivel Flange to Hose, cataloged under National Stock Number 4730-00-052-9751, 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 29 specifications, cited from the U.S. Government catalog. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-052-9751 |
| Item Name | Elbow,swivel Flange to Hose |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| Flange Shape | RECTANGULAR WITH HOLES FIRST END |
| Flow Angle | 45.0 DEGREES |
| Flange Face Design | RAISED SWIVEL FIRST END |
| Surface Treatment Document and Classification | MIL-F-27272 MIL SPEC SINGLE TREATMENT RESPONSE INSIDE |
| Surface Treatment Document and Classification | MIL-F-27272 MIL SPEC SINGLE TREATMENT RESPONSE OUTSIDE |
| Connection Style | GRIPPING NIPPLE (NOSE) SECOND END |
| Nominal Length | 2.188 INCHES FIRST END IN |
| Nominal Inside Diameter Hose Accommodated | 1.151 INCHES SECOND END IN |
| Nominal Outside Diameter Hose Accommodated | 1.275 INCHES SECOND END IN |
| Material Document and Classification | MIL-T-8808,COMP 321,TYPE 1 FED SPEC SINGLE MATERIAL RESPONSE ELBOW |
| Material Document and Classification | QQ-S-763,CLASS 304,COND A FED SPEC SINGLE MATERIAL RESPONSE FLANGE |
| Material Document and Classification | QQ-S-763,CLASS 304,COND A FED SPEC SINGLE MATERIAL RESPONSE UNION |
| Material Document and Classification | QQ-S-763,CLASS 321,COND A FED SPEC SINGLE MATERIAL RESPONSE NIPPLE |
| Material Document and Classification | QQ-S-763,CLASS 321,COND A FED SPEC SINGLE MATERIAL RESPONSE SHOULDER |
| Bolt Hole Nominal Diameter | 0.266 INCHES FIRST END IN |
| Operating Pressure | 1000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Leg Length | 0.569 INCHES NOMINAL FIRST END IN |
| Leg Length | 2.052 INCHES NOMINAL SECOND END IN |
| Maximum Operating Temp | 232.0 CELSIUS SINGLE RESPONSE DEGC |
| Center to Center Nominal Distance Between Bolt Holes Along Width | 1.656 INCHES FIRST END IN |
| Bolt Hole Quantity | 4 FIRST END |
| Surface Treatment | PASSIVATE INSIDE |
| Surface Treatment | PASSIVATE OUTSIDE |
| Nominal Width | 2.188 INCHES FIRST END IN |
| Center to Center Nominal Distance Between Bolt Holes Along Length | 1.656 INCHES FIRST END IN |
| Material | STEEL OVERALL |
| Raised Face Nominal Diameter | 1.844 INCHES FIRST END IN |
| Raised Face Nominal Height | 0.020 INCHES FIRST END IN |
| Nominal Thickness | 0.234 INCHES FIRST 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 |
| Reference | Meaning |
|---|---|
| MS27064-20C | 5/9 Secondary reference Resistoflex Corp Southwestern Div |
| MS27064-20C | 5/1 Secondary reference Parker-Hannifin Corporation Dba Pneutronics Div Stratoflex Product Division |
| MS27064-20C | 5/1 Secondary reference Smiths Tubular Systems-Laconia, Inc. |
| MIL-DTL-27272 | 4/1 Identification reference U.S. Government activity |
| MILF27272 | 5/9 Secondary reference U.S. Government activity |
| MS27064-20C | 2/2 Government specification standardization U.S. Government activity |
| MS27064-20C | 5/1 Secondary reference Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution |
NSN 4730-00-052-9751 is a Elbow,swivel Flange to Hose, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
Key specifications for 4730-00-052-9751: Flange Shape: RECTANGULAR WITH HOLES FIRST END; Flow Angle: 45.0 DEGREES; Flange Face Design: RAISED SWIVEL FIRST END; Surface Treatment Document and Classification: MIL-F-27272 MIL SPEC SINGLE TREATMENT RESPONSE INSIDE. 29 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.