The Retainer,roll Positioner,main La, cataloged under National Stock Number 1620-01-015-6416, is classified within Federal Supply Class 1620 (Aircraft Landing Gear Components) of the Aircraft Components and Accessories group. The manufacturer of record is Mayday Manufacturing Co.. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 2 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 1620-01-015-6416 |
| Primary Part Number | 4G14554-101A |
| Item Name | Retainer,roll Positioner,main La |
| FSC / FSG | 1620 / 16 — Aircraft Landing Gear Components |
| Manufacturer | Mayday Manufacturing Co. |
| Status | ACTIVE |
| General Characteristics Item Description | STEEL MIL-S-5626 COMP 4140 COND E-1,1.050 IN. LG,1.800 IN. OD,125 SURFACE FINISH IN |
| 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 |
|---|---|
| 4G14554-101A | Mayday Manufacturing Co. (USA) |
| 4G14554-101A | Southwest Industrial Service, Inc Dba Southwest Industrl Services (USA) |
| Reference | Meaning |
|---|---|
| 4G14554-101A | 3/2 Design control — primary reference U.S. Government activity |
| 4G14554-101A | 5/2 Secondary reference U.S. Government activity |
NSN 1620-01-015-6416 is a Retainer,roll Positioner,main La, manufactured by Mayday Manufacturing Co., classified under FSC 1620, Aircraft Landing Gear Components. Status: active.
NSN 1620-01-015-6416 has 2 manufacturer part numbers on file: 4G14554-101A (Mayday Manufacturing Co.), 4G14554-101A (Southwest Industrial Service, Inc Dba Southwest Industrl Services).
Key specifications for 4G14554-101A: General Characteristics Item Description: STEEL MIL-S-5626 COMP 4140 COND E-1,1.050 IN. LG,1.800 IN. OD,125 SURFACE FINISH IN. 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.