The Elbow,tube, cataloged under National Stock Number 4730-00-900-0736, 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 Parker Hannifin Corp Stratoflex Div Aircraft Fittings Opn. Government technical data includes 19 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 7 items share a part number with this NSN in the catalog (possible match — not a government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 | 4730-00-900-0736 |
| Primary Part Number | ER837D0506 |
| Item Name | Elbow,tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Parker Hannifin Corp Stratoflex Div Aircraft Fittings Opn |
| Status | ACTIVE |
| Flow Angle | 45.0 DEGREES |
| Connection Style | FLARELESS (TUBE) ALL ENDS |
| Connection Type | THREADED EXTERNAL TUBE ALL ENDS |
| Nominal Outside Diameter Tube Accommodated | 0.375 INCHES SECOND END IN |
| Nominal Outside Diameter Tube Accommodated | 0.312 INCHES FIRST END IN |
| Leg Length | 0.836 INCHES NOMINAL SECOND END IN |
| Leg Length | 1.540 INCHES NOMINAL FIRST END IN |
| Nominal Thread Size | 0.500 INCHES FIRST END BULKHEAD IN |
| Nominal Thread Size | 0.562 INCHES SECOND END IN |
| Nominal Thread Size | 0.500 INCHES FIRST END IN |
| Seat Angle | 12.0 DEGREES ALL ENDS |
| Specification/standard Data | 81343-AS1010 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Nondefinitive Spec/std Data | 2 STYLE |
| Surface Treatment | ANODIZE OVERALL |
| Thread Class | 3A FIRST END BULKHEAD A |
| Thread Class | 3A ALL ENDS A |
| Material | ALUMINUM ALLOY 2014 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) FIRST END BULKHEAD |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) ALL ENDS |
| 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 |
|---|---|
| ER837D0506 PRIMARY | Parker Hannifin Corp Stratoflex Div Aircraft Fittings Opn (USA) |
| AS1010D0506 | Sae International Dba Sae International (USA) |
| Reference | Meaning |
|---|---|
| AS1010D0506 | 5/9 Secondary reference U.S. Government activity |
| ER837D0506 | 5/9 Secondary reference U.S. Government activity |
| ER837D0506 | 5/9 Secondary reference Parker-Hannifin Corporation Dba Pneutronics Div Corporate Headquarters |
| AS1010 | 5/9 Secondary reference U.S. Government activity |
| AS1010 | 5/1 Secondary reference Sae International Dba Sae International |
NSN 4730-00-900-0736 is a Elbow,tube, manufactured by Parker Hannifin Corp Stratoflex Div Aircraft Fittings Opn, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-900-0736 has 2 manufacturer part numbers on file: ER837D0506 (Parker Hannifin Corp Stratoflex Div Aircraft Fittings Opn), AS1010D0506 (Sae International Dba Sae International).
7 possible matches (shared part number, not a government interchangeability claim): 4730-01-012-3414, 4730-01-012-3415, 4730-01-027-8801. Verify interchangeability with system specifications before substitution.
Key specifications for ER837D0506: Flow Angle: 45.0 DEGREES; Connection Style: FLARELESS (TUBE) ALL ENDS; Connection Type: THREADED EXTERNAL TUBE ALL ENDS; Nominal Outside Diameter Tube Accommodated: 0.375 INCHES SECOND END IN. 19 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.