The Elbow,swivel Flange to Hose, cataloged under National Stock Number 4730-01-009-5831, 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 Danfoss Power Solutions II, Llc. Government technical data includes 30 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 4730-01-009-5831 |
| Primary Part Number | FC7751-8080-189 |
| Item Name | Elbow,swivel Flange to Hose |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Danfoss Power Solutions II, Llc |
| Status | ACTIVE |
| Flange Shape | ROUND WITH HOLES FIRST ENDUNABLE TO DECODE |
| Flow Angle | 90.0 DEGREES |
| Maximum Operating Pressure | UNABLE TO DECODEUNABLE TO DECODE |
| Flange Face Design | RAISED SWIVEL FIRST ENDUNABLE TO DECODE |
| Connection Style | SOCKET (HOSE) SECOND ENDUNABLE TO DECODE |
| Bolt Circle Nominal Diameter | 7.810 INCHES FIRST ENDUNABLE TO DECODE IN |
| Nominal Inside Diameter Hose Accommodated | 0.063 INCHES FIRST ENDUNABLE TO DECODE IN |
| Nominal Outside Diameter Hose Accommodated | 6.312 INCHES SECOND ENDUNABLE TO DECODE IN |
| Connection Type | FLANGE FIRST ENDUNABLE TO DECODE |
| Connection Type | UNTHREADED INTERNAL HOSE SECOND ENDUNABLE TO DECODE |
| Material Document and Classification | MIL-B-24480 MIL SPEC SINGLE MATERIAL RESPONSE NIPPLE |
| Material Document and Classification | MIL-B-24480 MIL SPEC SINGLE MATERIAL RESPONSE SOCKET |
| Material Document and Classification | QQ-C-390 ALLOY D5 FED SPEC SINGLE MATERIAL RESPONSE FLANGE |
| Material Document and Classification | QQ-N-281 CLASS A OR B FED SPEC SINGLE MATERIAL RESPONSE NUT |
| Material Document and Classification | QQ-N-286 CLASS A OR B FED SPEC SINGLE MATERIAL RESPONSE BOLT |
| Bolt Hole Nominal Diameter | 0.690 INCHES FIRST ENDUNABLE TO DECODE IN |
| Operating Pressure | 300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Leg Length | 6.810 INCHES NOMINAL FIRST ENDUNABLE TO DECODE IN |
| Leg Length | 8.641 INCHES NOMINAL SECOND ENDUNABLE TO DECODE IN |
| Maximum Operating Temp | 200.0 FAHRENHEIT SINGLE RESPONSEUNABLE TO DECODE DEGF |
| Nominal Outside Diameter | 9.060 INCHES FIRST ENDUNABLE TO DECODE IN |
| Bolt Hole Quantity | 10 FIRST ENDUNABLE TO DECODE |
| Media for Which Designed | WATER-OIL-GAS SECOND RESPONSE |
| Media for Which Designed | UNABLE TO DECODE |
| Media for Which Designed | STEAM FIRST RESPONSE |
| Material | NICKEL ALLOY NUT |
| Material | NICKEL ALLOY SOCKET |
| Material | NICKEL ALLOY BOLT |
| Material | NICKEL ALLOY NIPPLE |
| Material | COPPER ALLOY FLANGE |
| 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 |
|---|---|
| 90EF-5-150/400F | Hydrasearch Company, Llc (USA) |
| FC7751-8080-189 PRIMARY | Danfoss Power Solutions II, Llc (USA) |
| Reference | Meaning |
|---|---|
| 19-00-9580 | 5/2 Secondary reference U.S. Government activity |
| MIL-DTL-24787/1 | 4/1 Identification reference U.S. Government activity |
| MIL-F-24787/1 GR IX TY FL CL II | 5/9 Secondary reference U.S. Government activity |
| MIL-H-24136 | 5/9 Secondary reference U.S. Government activity |
| MIL-F-24787 | 4/1 Identification reference U.S. Government activity |
| MIL-F-24787/1 | 5/9 Secondary reference U.S. Government activity |
NSN 4730-01-009-5831 is a Elbow,swivel Flange to Hose, manufactured by Danfoss Power Solutions II, Llc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-009-5831 has 2 manufacturer part numbers on file: 90EF-5-150/400F (Hydrasearch Company, Llc), FC7751-8080-189 (Danfoss Power Solutions II, Llc).
2 possible matches (shared part number, not a government interchangeability claim): 4730-01-092-5606, 4730-01-093-3930. Verify interchangeability with system specifications before substitution.
Key specifications for FC7751-8080-189: Flange Shape: ROUND WITH HOLES FIRST ENDUNABLE TO DECODE; Flow Angle: 90.0 DEGREES; Maximum Operating Pressure: UNABLE TO DECODEUNABLE TO DECODE; Flange Face Design: RAISED SWIVEL FIRST ENDUNABLE TO DECODE. 30 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.