The Elbow,tube to Hose, cataloged under National Stock Number 4730-00-057-0664, 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 20 specifications, cited from the U.S. Government catalog. 8 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 8 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-057-0664 |
| Item Name | Elbow,tube to Hose |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| Furnished Items and Quantity | 1 FERRULE SLEEVE AND 1 HOSE COUPLING NUT |
| Flow Angle | 90.0 DEGREES |
| Connection Style | SWIVEL NUT, FLARELESS (SWIVEL NUT ATTACHMENT METHOD OPTIONAL) (TUBE) FIRST END |
| Connection Style | SWIVEL NUT (HOSE GRIPPING) SECOND END |
| Nominal Inside Diameter Hose Accommodated | 0.188 INCHES SECOND END IN |
| Nominal Outside Diameter Hose Accommodated | 0.312 INCHES SECOND END IN |
| Nominal Outside Diameter Tube Accommodated | 0.250 INCHES FIRST END IN |
| Operating Pressure | 1500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Leg Length | 1.438 INCHES NOMINAL SECOND END IN |
| Leg Length | 0.875 INCHES NOMINAL FIRST END IN |
| Nominal Thread Size | 0.438 INCHES FIRST END IN |
| Seat Angle | 12.0 DEGREES FIRST END |
| Maximum Operating Temp | 450.0 FAHRENHEIT SECOND RESPONSE DEGF |
| Maximum Operating Temp | -65.0 FAHRENHEIT FIRST RESPONSE DEGF |
| Surface Treatment | PASSIVATE INSIDE |
| Surface Treatment | PASSIVATE OUTSIDE |
| Media for Which Designed | WATER-OIL-GAS SINGLE RESPONSE |
| Thread Class | 3B FIRST END |
| Material | STEEL CORROSION RESISTING OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) 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 |
| Reference | Meaning |
|---|---|
| R27385-4C | 5/9 Secondary reference Parker-Hannifin Corporation Dba Pneutronics Div Stratoflex Product Division |
| 148-05218-04 | 5/1 Secondary reference Hydrasearch Company, Llc |
| MS27385-4C | 5/1 Secondary reference Parker-Hannifin Corporation Dba Pneutronics Div Stratoflex Product Division |
| MIL-F-27272 | 5/9 Secondary reference U.S. Government activity |
| MS27385-4C | 2/2 Government specification standardization U.S. Government activity |
| 148-05218-04 | 5/9 Secondary reference Designed Metal Connections Inc Dba Permaswage Usa Div Permaswage, a Pcc Company |
| MIL-DTL-27272 | 4/1 Identification reference U.S. Government activity |
| MIL-DTL-27272C | 5/9 Secondary reference U.S. Government activity |
NSN 4730-00-057-0664 is a Elbow,tube to Hose, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
8 possible matches (shared part number, not a government interchangeability claim): 4730-00-057-6427, 4730-00-420-8669, 4730-00-889-2468. Verify interchangeability with system specifications before substitution.
Key specifications for 4730-00-057-0664: Furnished Items and Quantity: 1 FERRULE SLEEVE AND 1 HOSE COUPLING NUT; Flow Angle: 90.0 DEGREES; Connection Style: SWIVEL NUT, FLARELESS (SWIVEL NUT ATTACHMENT METHOD OPTIONAL) (TUBE) FIRST END; Connection Style: SWIVEL NUT (HOSE GRIPPING) SECOND 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.