The Elbow,tube, cataloged under National Stock Number 4730-01-645-5750, 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 Sae International Dba Sae International. Government technical data includes 12 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 4730-01-645-5750 |
| Primary Part Number | SAE J1453-3 6-6 520701CE |
| Item Name | Elbow,tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Sae International Dba Sae International |
| Status | ACTIVE |
| Flow Angle | 90.0 DEGREES |
| Connection Style | GASKET SEAL (TUBE) ALL ENDS |
| Connection Type | THREADED EXTERNAL TUBE FIRST END BULKHEAD |
| Connection Type | THREADED EXTERNAL TUBE SECOND END |
| Style Designator | ELBOW |
| Nominal Outside Diameter Tube Accommodated | 0.375 INCHES ALL ENDS IN |
| Leg Length | 26.0 MILLIMETERS NOMINAL SECOND END MM |
| Leg Length | 52.0 MILLIMETERS NOMINAL FIRST END BULKHEAD MM |
| Nominal Thread Size | 0.6875 INCHES ALL ENDS IN |
| Thread Quantity Per Inch | 16 ALL ENDS |
| Material | STEEL BODY |
| Material | RUBBER SYNTHETIC GASKET |
| 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 |
|---|---|
| SAE J1453-3 6-6 520701CE PRIMARY | Sae International Dba Sae International (USA) |
| Reference | Meaning |
|---|---|
| SAE J1453 6-6 520701CE | 5/9 Secondary reference U.S. Government activity |
| SAE J1453 | 5/9 Secondary reference U.S. Government activity |
| SAE J1453 | 5/9 Secondary reference Sae International Dba Sae International |
| SAE J1453-3 | 5/9 Secondary reference U.S. Government activity |
| SAE-J1453/3 | 3/1 Design control — primary reference Sae International Dba Sae International |
NSN 4730-01-645-5750 is a Elbow,tube, manufactured by Sae International Dba Sae International, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-645-5750 has 1 manufacturer part number on file: SAE J1453-3 6-6 520701CE (Sae International Dba Sae International).
2 possible matches (shared part number, not a government interchangeability claim): 4730-01-645-5760, 4730-01-666-1863. Verify interchangeability with system specifications before substitution.
Key specifications for SAE J1453-3 6-6 520701CE: Flow Angle: 90.0 DEGREES; Connection Style: GASKET SEAL (TUBE) ALL ENDS; Connection Type: THREADED EXTERNAL TUBE FIRST END BULKHEAD; Connection Type: THREADED EXTERNAL TUBE SECOND END. 12 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.