The Ring Assembly, cataloged under National Stock Number 1620-01-107-6812, 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 1 specification, 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1620-01-107-6812 |
| Primary Part Number | 74A450615-1001 |
| Item Name | Ring Assembly |
| FSC / FSG | 1620 / 16 — Aircraft Landing Gear Components |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| General Characteristics Item Description | ALUMINUM ALLOY PER QQ-A-225/9; CIRCULAR SHAPE; 3.000-12 UNJ-3A EXTERNAL THD; 1.190 IN. O/A THK A |
| 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 |
|---|---|
| 74A450615-1001 PRIMARY | The Boeing Company Div Defense (USA) |
| Reference | Meaning |
|---|---|
| 10153669 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| 1958-C-61 | 5/9 Secondary reference Goodrich Corporation Div Advanced Structures Landing Systems |
| 74A450615-1001 | 5/9 Secondary reference Goodrich Corporation Div Advanced Structures Landing Systems |
| 74A450615-1001 | 5/9 Secondary reference U.S. Government activity |
NSN 1620-01-107-6812 is a Ring Assembly, manufactured by The Boeing Company Div Defense, classified under FSC 1620, Aircraft Landing Gear Components. Status: active.
NSN 1620-01-107-6812 has 1 manufacturer part number on file: 74A450615-1001 (The Boeing Company Div Defense).
Key specifications for 74A450615-1001: General Characteristics Item Description: ALUMINUM ALLOY PER QQ-A-225/9; CIRCULAR SHAPE; 3.000-12 UNJ-3A EXTERNAL THD; 1.190 IN. O/A THK A. 1 specification is 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.