The Piston Assy,connect, cataloged under National Stock Number 1620-01-599-8094, is classified within Federal Supply Class 1620 (Aircraft Landing Gear Components) of the Aircraft Components and Accessories group. The manufacturer of record is The Boeing Company Div Defense. Government technical data includes 3 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1620-01-599-8094 |
| Primary Part Number | 74A411647-1001 |
| Item Name | Piston Assy,connect |
| FSC / FSG | 1620 / 16 — Aircraft Landing Gear Components |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Overall Diameter | 0.997 INCHES NOMINAL IN |
| Material | STEEL CORROSION RESISTING |
| Thread Size and Series/type Designator | 0.750-16-3A UNIFIED NATIONAL JOINT FINE (UNJF) A |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | F |
| Part Number | Manufacturer |
|---|---|
| 74A411647-1001 | A. J. Associates Manufacturing & Engineering Co. Inc. (USA) |
| 74A411647-1001 PRIMARY | The Boeing Company Div Defense (USA) |
| 74A411647-1001 | Hdi Landing Gear Usa Inc (USA) |
| 74A411647-1001 | Nassau Tool Works, Inc (USA) |
| 74A411647-1001 | Israel Aerospace Industries Ltd.shl-Aero Assemblies Division (ISR) |
| Reference | Meaning |
|---|---|
| 74A411647-1001 | 5/2 Secondary reference U.S. Government activity |
| 10378560 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
NSN 1620-01-599-8094 is a Piston Assy,connect, manufactured by The Boeing Company Div Defense, classified under FSC 1620, Aircraft Landing Gear Components. Status: active.
NSN 1620-01-599-8094 has 5 manufacturer part numbers on file: 74A411647-1001 (A. J. Associates Manufacturing & Engineering Co. Inc.), 74A411647-1001 (The Boeing Company Div Defense), 74A411647-1001 (Hdi Landing Gear Usa Inc), 74A411647-1001 (Nassau Tool Works, Inc), 74A411647-1001 (Israel Aerospace Industries Ltd.shl-Aero Assemblies Division).
Key specifications for 74A411647-1001: Overall Diameter: 0.997 INCHES NOMINAL IN; Overall Length: 9.435 INCHES NOMINAL IN; End Item Identification: F/18-18 C/D; Material: STEEL CORROSION RESISTING. 3 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.