The Elbow,tube to Hose, cataloged under National Stock Number 4730-00-133-3205, 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 Satair A/s. Government technical data includes 20 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through both NSN and commercial part number lookups. 11 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-133-3205 |
| Primary Part Number | MS27057-20C |
| Item Name | Elbow,tube to Hose |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Satair A/s |
| Status | ACTIVE |
| Furnished Items and Quantity | 1 HOSE COUPLING SLEEVE AND 1 HOSE COUPLING NUT |
| Flow Angle | 90.0 DEGREES |
| Surface Treatment Document and Classification | MIL-T-8808,COMP 321,TY1 FED SPEC SINGLE TREATMENT RESPONSE AND QQ-S-763,CLASS 321,COND A FED SPEC 1ST TREATMENT RESPONSE AND QQ-S-763,CLASS 304,COND A FED SPEC 2ND TREATMENT RESPONSE AND QQ-W-423,CLASS 305,COND A FED SPEC 3RD TREATMENT RESPONSE OVERALL |
| Connection Style | SWIVEL NUT, FLARE (TUBE) STYLE 3 OPTIONAL END FIRST END |
| Connection Style | GRIPPING NIPPLE (NOSE) SECOND END |
| Nominal Inside Diameter Hose Accommodated | 1.125 INCHES SECOND END IN |
| Nominal Outside Diameter Hose Accommodated | 1.359 INCHES SECOND END IN |
| Material Document and Classification | MIL-T-8808,COMP FED SPEC SINGLE MATERIAL RESPONSE AND QQ-S-763,CLASS FED SPEC 1ST MATERIAL RESPONSE AND QQ-S-763,CLASS FED SPEC 2ND MATERIAL RESPONSE AND QQ-W-423,CLASS 305,COND A FED SPEC 3RD MATERIAL RESPONSE OVERALL |
| Nominal Outside Diameter Tube Accommodated | 1.250 INCHES FIRST END IN |
| Operating Pressure | 1000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Leg Length | 2.000 INCHES NOMINAL FIRST END IN |
| Leg Length | 3.438 INCHES NOMINAL SECOND END IN |
| Nominal Thread Size | 1.625 INCHES FIRST END IN |
| Seat Angle | 37.0 DEGREES FIRST END |
| Maximum Operating Temp | 450.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Surface Treatment | PASSIVATE OVERALL |
| Thread Class | 3B FIRST END |
| Thread Quantity Per Inch | 12 FIRST END |
| Material | STEEL OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT (UNJ) FIRST END |
| 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 |
|---|---|
| MS27057-20C | Satair A/s (DNK) |
| Reference | Meaning |
|---|---|
| Y40220-29 | 5/9 Secondary reference Smiths Tubular Systems-Laconia, Inc. |
| MS27057-20C | 5/1 Secondary reference Parker-Hannifin Corporation Dba Pneutronics Div Stratoflex Product Division |
| R27057-20C | 5/9 Secondary reference Parker-Hannifin Corporation Dba Pneutronics Div Stratoflex Product Division |
| MS27057-20C | 2/2 Government specification standardization U.S. Government activity |
| MILF27272 | 5/9 Secondary reference U.S. Government activity |
| MS27057-20C | 5/1 Secondary reference Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution |
| F6677-20 | 5/9 Secondary reference Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution |
| MIL-DTL-27272 | 4/1 Identification reference U.S. Government activity |
| R27057-20C | 5/9 Secondary reference Resistoflex Corp Southwestern Div |
| MS27057-20C | 5/1 Secondary reference Smiths Tubular Systems-Laconia, Inc. |
| MS27057-20C | 5/9 Secondary reference Resistoflex Corp Southwestern Div |
NSN 4730-00-133-3205 is a Elbow,tube to Hose, manufactured by Satair A/s, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-133-3205 has 1 manufacturer part number on file: MS27057-20C (Satair A/s).
Key specifications for MS27057-20C: Furnished Items and Quantity: 1 HOSE COUPLING SLEEVE AND 1 HOSE COUPLING NUT; Flow Angle: 90.0 DEGREES; Surface Treatment Document and Classification: MIL-T-8808,COMP 321,TY1 FED SPEC SINGLE TREATMENT RESPONSE AND QQ-S-763,CLASS 321,COND A FED SPEC 1ST TREATMENT RESPONSE AND QQ-S-763,CLASS 304,COND A FED SPEC 2ND TREATMENT RESPONSE AND QQ-W-423,CLASS 305,COND A FED SPEC 3RD TREATMENT RESPONSE OVERALL; Connection Style: SWIVEL NUT, FLARE (TUBE) STYLE 3 OPTIONAL END FIRST END. 20 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.