The Retainer,ring,wiper, cataloged under National Stock Number 1620-01-116-1433, 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 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1620-01-116-1433 |
| Primary Part Number | 74A410618-2001 |
| Item Name | Retainer,ring,wiper |
| FSC / FSG | 1620 / 16 — Aircraft Landing Gear Components |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Overall Diameter | 5.125 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY |
| 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 |
|---|---|
| 74A410618-2001 PRIMARY | The Boeing Company Div Defense (USA) |
| Reference | Meaning |
|---|---|
| 74A410618-2001 | 5/9 Secondary reference Goodrich Corporation Div Advanced Structures Landing Systems |
NSN 1620-01-116-1433 is a Retainer,ring,wiper, manufactured by The Boeing Company Div Defense, classified under FSC 1620, Aircraft Landing Gear Components. Status: active.
NSN 1620-01-116-1433 has 1 manufacturer part number on file: 74A410618-2001 (The Boeing Company Div Defense).
Key specifications for 74A410618-2001: Overall Diameter: 5.125 INCHES NOMINAL IN; Special Features: 3.657 IN. ID; 0.375 IN. THK; WITH 0.196 IN DIA 4 HOLES EQUALLY SPACED ON A 4.250 IN. DIA BOLT CIRCLE IN; Material: ALUMINUM ALLOY. 2 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.