The Elbow,swivel Flange to Hose, cataloged under National Stock Number 4730-00-555-3749, is classified within Federal Supply Class 4730 (No Item Name Available) of the Pipe, Tubing, Hose, and Fittings group. The primary manufacturer of record is Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 26 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-555-3749 |
| Primary Part Number | M83798/9-20 |
| Item Name | Elbow,swivel Flange to Hose |
| FSC / FSG | 4730 / 47 — No Item Name Available |
| Manufacturer | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| Status | ACTIVE |
| Leg Length | 3.375 INCHES NOMINAL SECOND END IN |
| Bolt Hole Quantity | 4 FIRST END |
| Connection Style | GRIPPING NIPPLE (NOSE) SECOND END |
| Nominal Length | 2.188 INCHES FIRST END IN |
| Leg Length | 1.500 INCHES NOMINAL FIRST END IN |
| Flange Shape | RECTANGULAR WITH HOLES FIRST END |
| Connection Type | FLANGE FIRST END |
| Surface Treatment Document and Classification | MIL-A-8625,TY 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Furnished Items and Quantity | 1 HOSE COUPLING NUT |
| Raised Face Nominal Height | 0.020 INCHES FIRST END IN |
| Nominal Inside Diameter Hose Accommodated | 1.125 INCHES SECOND END IN |
| Center to Center Nominal Distance Between Bolt Holes Along Length | 1.656 INCHES FIRST END IN |
| Nominal Outside Diameter Hose Accommodated | 1.438 INCHES SECOND END IN |
| Flange Face Design | RAISED SWIVEL FIRST END |
| Nominal Thickness | 0.234 INCHES FIRST END IN |
| Center to Center Nominal Distance Between Bolt Holes Along Width | 1.656 INCHES FIRST END IN |
| Raised Face Nominal Diameter | 1.844 INCHES FIRST END IN |
| Operating Pressure | 500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Bolt Hole Nominal Diameter | 0.266 INCHES FIRST END IN |
| Material | ALUMINUM ALLOY OVERALL |
| Surface Treatment | ANODIZE OVERALL |
| Media for Which Designed | OIL FIRST RESPONSE |
| Flow Angle | 90.0 DEGREES |
| Connection Type | THREADED EXTERNAL HOSE GRIPPING SECOND END |
| Media for Which Designed | FUEL SECOND RESPONSE |
| Nominal Width | 2.188 INCHES FIRST END IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| M83798/9-20 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| MIL-F-83798 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| 8890-20D | Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution (USA) |
| 685-20D | Parker Hannifin Corp Dba Pneutronics Div Stratoflex Products Division (USA) |
| MIL-DTL-83798/9 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
NSN 4730-00-555-3749 is a Elbow,swivel Flange to Hose, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 4730 (No Item Name Available). Status: active.
NSN 4730-00-555-3749 has 5 cross-referenced part numbers: M83798/9-20 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-F-83798 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 8890-20D (Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution), 685-20D (Parker Hannifin Corp Dba Pneutronics Div Stratoflex Products Division), MIL-DTL-83798/9 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).
There are 5 known substitutes for 4730-00-555-3749: 4730-01-078-8600, 4730-01-097-2832, 4730-01-124-9355 and 2 more. Verify interchangeability with system specifications before substitution.
Key specifications for M83798/9-20: Leg Length: 3.375 INCHES NOMINAL SECOND END IN; Bolt Hole Quantity: 4 FIRST END; Connection Style: GRIPPING NIPPLE (NOSE) SECOND END; Nominal Length: 2.188 INCHES FIRST END IN. 27 total characteristics are documented in the Federal Logistics Information System.