The Elbow,tube to Boss, cataloged under National Stock Number 4730-01-628-7440, 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 18 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-628-7440 |
| Primary Part Number | AS1040W2020 |
| Item Name | Elbow,tube to Boss |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Sae International Dba Sae International |
| Status | ACTIVE |
| Flow Angle | 45.0 DEGREES |
| Connection Style | FLARED (TUBE) ALL ENDS |
| Connection Type | THREADED EXTERNAL TUBE FIRST END BULKHEAD |
| Connection Type | THREADED EXTERNAL TUBE ALL ENDS |
| Nominal Outside Diameter Tube Accommodated | 1.250 INCHES FIRST END IN |
| Nominal Outside Diameter Tube Accommodated | 1.250 INCHES SECOND END IN |
| Leg Length | 2.679 INCHES NOMINAL FIRST END IN |
| Leg Length | 1.601 INCHES NOMINAL SECOND END IN |
| Nominal Thread Size | 1.625 INCHES ALL ENDS IN |
| Nominal Thread Size | 1.625 INCHES FIRST END BULKHEAD IN |
| Seat Angle | 37.0 DEGREES SECOND END |
| Thread Class | 3A FIRST END BULKHEAD A |
| Thread Class | 3A ALL ENDS A |
| Thread Quantity Per Inch | 12 FIRST END BULKHEAD |
| Thread Quantity Per Inch | 12 ALL ENDS |
| Material | ALUMINUM ALLOY 7075 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT (UNJ) FIRST END BULKHEAD |
| Thread Series Designator | UNIFIED NATIONAL JOINT (UNJ) 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 |
|---|---|
| AS1040W2020 PRIMARY | Sae International Dba Sae International (USA) |
| Reference | Meaning |
|---|---|
| AS1040W2020 | 3/9 Design control — primary reference U.S. Government activity |
| SAE-AS4841 | 3/1 Design control — primary reference Sae International Dba Sae International |
NSN 4730-01-628-7440 is a Elbow,tube to Boss, manufactured by Sae International Dba Sae International, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-628-7440 has 1 manufacturer part number on file: AS1040W2020 (Sae International Dba Sae International).
Key specifications for AS1040W2020: Flow Angle: 45.0 DEGREES; Connection Style: FLARED (TUBE) ALL ENDS; Connection Type: THREADED EXTERNAL TUBE FIRST END BULKHEAD; Connection Type: THREADED EXTERNAL TUBE ALL ENDS. 18 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.