The Guide,lower,roll Positioner,main, cataloged under National Stock Number 1620-01-015-6418, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1620-01-015-6418 |
| Primary Part Number | 4G14558-101A |
| Item Name | Guide,lower,roll Positioner,main |
| FSC / FSG | 1620 / 16 — Aircraft Landing Gear Components |
| Manufacturer | Mayday Manufacturing Co. |
| Status | ACTIVE |
| General Characteristics Item Description | STEEL MIL-S-5000 COMP 4340 COND E-1,0.610 IN. LG,2.617 IN. OD AFTER PLATE,125 SURFACE FINISH IN |
| 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 |
|---|---|
| 4G14558-101A | Mayday Manufacturing Co. (USA) |
| 4G14558-101A | Caprice Engineering Company, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 4G14558-101A | 3/2 Design control — primary reference U.S. Government activity |
NSN 1620-01-015-6418 is a Guide,lower,roll Positioner,main, manufactured by Mayday Manufacturing Co., classified under FSC 1620, Aircraft Landing Gear Components. Status: active.
NSN 1620-01-015-6418 has 2 manufacturer part numbers on file: 4G14558-101A (Mayday Manufacturing Co.), 4G14558-101A (Caprice Engineering Company, Inc.).
Key specifications for 4G14558-101A: General Characteristics Item Description: STEEL MIL-S-5000 COMP 4340 COND E-1,0.610 IN. LG,2.617 IN. OD AFTER PLATE,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.
NSN 1620-01-015-6418 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.