The Support Assembly,switch Sensor, cataloged under National Stock Number 1620-01-107-6840, 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. The record lists 8 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 10 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1620-01-107-6840 |
| Primary Part Number | 74A450933-1003 |
| Item Name | Support Assembly,switch Sensor |
| FSC / FSG | 1620 / 16 — Aircraft Landing Gear Components |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 74A450933-1003 | Blair Industries Inc (USA) |
| 74A450933-1003 | Nassau Tool Works, Inc (USA) |
| 74A450933-1003 | Heroux-Devtek Inc (CAN) |
| 74A450933-1003 | Hdi Landing Gear Usa Inc (USA) |
| 74A450933-1003 PRIMARY | The Boeing Company Div Defense (USA) |
| 74A450933-1003 | Apex Manufacturing Company, Inc. Dba Apex Manufacturing Co (USA) |
| 74A450933-1003 | Associated Aircraft Manufacturing & Sales, Inc. Dba Associated Aircraft Manufacturing & Sales Inc (USA) |
| 74A450933-1003 | Safran Landing Systems Canada Inc. (CAN) |
| Reference | Meaning |
|---|---|
| 74A450933-1003 | C/1 Advisory reference — outside the item-of-supply concept Israel Aerospace Industries Ltd.shl-Aero Assemblies Division |
| 74A450933-1003 | 5/9 Secondary reference Goodrich Corporation Div Advanced Structures Landing Systems |
| 1958C453 | 5/9 Secondary reference Goodrich Corporation Div Advanced Structures Landing Systems |
| 74A450933-1003 | 5/9 Secondary reference Goodrich Corp Dba Goodrich Corp |
| 74A450933-1003 | 5/9 Secondary reference Circor Aerospace, Inc. Dba Circor Aerospace Machining Center |
| 10153686 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| 74A450933-1003 | 5/2 Secondary reference U.S. Government activity |
| 74A450933-1001 | 5/9 Secondary reference All Tools, Inc. Dba E2 Precision Products |
| 74A450933-1003 | 5/9 Secondary reference Israel Aerospace Industries Ltd. Shl - Aero Assemblies Division |
| 74A450933-1001 | 5/9 Secondary reference The Boeing Company Div Defense |
NSN 1620-01-107-6840 is a Support Assembly,switch Sensor, manufactured by The Boeing Company Div Defense, classified under FSC 1620, Aircraft Landing Gear Components. Status: active.
NSN 1620-01-107-6840 has 8 manufacturer part numbers on file: 74A450933-1003 (Blair Industries Inc), 74A450933-1003 (Nassau Tool Works, Inc), 74A450933-1003 (Heroux-Devtek Inc), 74A450933-1003 (Hdi Landing Gear Usa Inc), 74A450933-1003 (The Boeing Company Div Defense) and 3 more.
Key specifications for 74A450933-1003: End Item Identification: AIRCRAFT MODEL F-18. 0 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.
NSN 1620-01-107-6840 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.