The Elbow,swivel Flange to Hose, cataloged under National Stock Number 4730-01-020-6753, 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 21 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-020-6753 |
| Primary Part Number | FC9637-5664-189 |
| 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 END |
| Flow Angle | 90.0 DEGREES |
| Flange Face Design | RAISED STRAIGHT FIRST END |
| Connection Style | GRIPPING NIPPLE (NOSE) SECOND END |
| Bolt Circle Nominal Diameter | 6.060 INCHES FIRST END IN |
| Nominal Inside Diameter Hose Accommodated | 4.000 INCHES SECOND END IN |
| Nominal Outside Diameter Hose Accommodated | 4.860 INCHES SECOND END IN |
| Connection Type | THREADED EXTERNAL HOSE GRIPPING SECOND END |
| Connection Type | FLANGE FIRST END |
| Material Document and Classification | MIL-B-24480 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Bolt Hole Nominal Diameter | 0.690 INCHES FIRST END IN |
| Leg Length | 5.620 INCHES NOMINAL FIRST END IN |
| Leg Length | 6.480 INCHES NOMINAL SECOND END IN |
| Specification/standard Data | 81349-MIL-H-24136 GOVERNMENT SPECIFICATION |
| Nondefinitive Spec/std Data | BII TYPE |
| Nominal Outside Diameter | 7.190 INCHES FIRST END IN |
| Bolt Hole Quantity | 8 FIRST END |
| Material | NICKEL AND ALUMINUM AND COPPER ALLOY OVERALL |
| Raised Face Nominal Diameter | 5.220 INCHES FIRST END IN |
| Raised Face Nominal Height | 0.015 INCHES FIRST END IN |
| Nominal Thickness | 1.000 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 |
| Part Number | Manufacturer |
|---|---|
| FC9637-5664-189 PRIMARY | Danfoss Power Solutions II, Llc (USA) |
| Reference | Meaning |
|---|---|
| FC9637-189 | D/9 Drawing number reference only Danfoss Power Solutions II, Llc |
| MIL-H-24136 | 4/1 Identification reference U.S. Government activity |
NSN 4730-01-020-6753 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 4730-01-020-6753 has 1 manufacturer part number on file: FC9637-5664-189 (Danfoss Power Solutions II, Llc).
1 possible match (shared part number, not a government interchangeability claim): 4730-01-020-7187. Verify interchangeability with system specifications before substitution.
Key specifications for FC9637-5664-189: Flange Shape: ROUND WITH HOLES FIRST END; Flow Angle: 90.0 DEGREES; Flange Face Design: RAISED STRAIGHT FIRST END; Connection Style: GRIPPING NIPPLE (NOSE) SECOND END. 21 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.