The Ring,thrust,pitch Positioner, cataloged under National Stock Number 1620-00-889-9977, is classified within Federal Supply Class 1620 (Aircraft Landing Gear Components) of the Aircraft Components and Accessories group. Government technical data includes 2 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1620-00-889-9977 |
| Item Name | Ring,thrust,pitch Positioner |
| FSC / FSG | 1620 / 16 — Aircraft Landing Gear Components |
| Status | ACTIVE |
| FSC Application Data | MAIN LANDING GEAR BOGIE |
| General Characteristics Item Description | CRES VAR 17-4PH,AMS5643 ANNEALED;3.700 IN.LG;3.170 IN.MIN,3.175 IN.MAX DIA 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 |
| Reference | Meaning |
|---|---|
| 4G13172-101A | 3/2 Design control — primary reference U.S. Government activity |
NSN 1620-00-889-9977 is a Ring,thrust,pitch Positioner, classified under FSC 1620, Aircraft Landing Gear Components. Status: active.
Key specifications for 1620-00-889-9977: FSC Application Data: MAIN LANDING GEAR BOGIE; General Characteristics Item Description: CRES VAR 17-4PH,AMS5643 ANNEALED;3.700 IN.LG;3.170 IN.MIN,3.175 IN.MAX DIA IN. 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.
NSN 1620-00-889-9977 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.