The Elbow,boss, cataloged under National Stock Number 4730-01-108-9506, 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 The Boeing Company Div Defense. Government technical data includes 17 specifications, cited from the U.S. Government catalog. The record lists 5 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 12 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-108-9506 |
| Primary Part Number | 74A450665-2001 |
| Item Name | Elbow,boss |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Flow Angle | 90.0 DEGREES |
| Connection Style | GASKET SEAL (BOSS) FIRST END |
| Connection Style | DOUBLE THREADED SECTION W/ GASKET AND LOCKNUT SEALING (BOSS) SECOND END |
| Criticality Code Justification | FEAT |
| Connection Type | THREADED INTERNAL BOSS FIRST END |
| Connection Type | THREADED EXTERNAL BOSS SECOND END |
| Leg Length | 0.625 INCHES NOMINAL FIRST END IN |
| Leg Length | 1.411 INCHES NOMINAL SECOND END IN |
| Nominal Thread Size | 0.375 INCHES SECOND END BULKHEAD IN |
| Nominal Thread Size | 0.375 INCHES SECOND END IN |
| Nominal Thread Size | 0.500 INCHES FIRST END IN |
| Thread Class | 3A SECOND END BULKHEAD A |
| Thread Class | 3A SECOND END A |
| Thread Class | 3B FIRST END |
| Material | STEEL CORROSION RESISTING OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) SECOND 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 | Y |
| Part Number | Manufacturer |
|---|---|
| 1958-C-65 | Goodrich Corporation (USA) |
| 74A450665-2001 | Safran Landing Systems Canada Inc. (CAN) |
| 74A450665-2002 | Heroux-Devtek Inc (CAN) |
| 74A450665-2001 PRIMARY | The Boeing Company Div Defense (USA) |
| 74A450665-2001 | Goodrich Corporation (USA) |
| Reference | Meaning |
|---|---|
| 74A450665-2001 | 5/9 Secondary reference Goodrich Corp Dba Goodrich Corp |
| 74A450665-2001 | 5/9 Secondary reference Circor Aerospace, Inc. Dba Circor Aerospace Machining Center |
| 74A450665-2001 | 5/9 Secondary reference All Tools, Inc. Dba E2 Precision Products |
| 74A450665-2001 | C/1 Advisory reference — outside the item-of-supply concept Israel Aerospace Industries Ltd.shl-Aero Assemblies Division |
| 74A450665-2001 | 5/9 Secondary reference Goodrich Corporation Div Advanced Structures Landing Systems |
| 74A450665-2001 | 5/9 Secondary reference Israel Aerospace Industries Ltd. Shl - Aero Assemblies Division |
| 74A450665-2001 | C/1 Advisory reference — outside the item-of-supply concept Circor Aerospace, Inc. Div Circor |
| 1958-C-65 | 5/9 Secondary reference Goodrich Corporation Div Advanced Structures Landing Systems |
| 10108524 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| 74A450665-2001 | 5/9 Secondary reference Anka Instrument Co |
| 74A450665 | D/9 Drawing number reference only The Boeing Company Div Defense |
| 1958C65 | 5/9 Secondary reference Anka Instrument Co |
NSN 4730-01-108-9506 is a Elbow,boss, manufactured by The Boeing Company Div Defense, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-108-9506 has 5 manufacturer part numbers on file: 1958-C-65 (Goodrich Corporation), 74A450665-2001 (Safran Landing Systems Canada Inc.), 74A450665-2002 (Heroux-Devtek Inc), 74A450665-2001 (The Boeing Company Div Defense), 74A450665-2001 (Goodrich Corporation).
Key specifications for 74A450665-2001: Flow Angle: 90.0 DEGREES; Connection Style: GASKET SEAL (BOSS) FIRST END; Connection Style: DOUBLE THREADED SECTION W/ GASKET AND LOCKNUT SEALING (BOSS) SECOND END; Criticality Code Justification: FEAT. 17 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.