The Adapter, cataloged under National Stock Number 1620-01-201-3555, is classified within Federal Supply Class 1620 (Aircraft Landing Gear Components) of the Aircraft Components and Accessories group. The manufacturer of record is Thomas Instrument, Incorporated. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Adapter |
| FSC / FSG | 1620 — Aircraft Landing Gear Components (FSG 16) |
| Manufacturers | Thomas Instrument, Incorporated (CAGE 50LP4); Thomas Instrument, Incorporated (CAGE 5H860) |
| Parameter | Value |
|---|---|
| NSN | 1620-01-201-3555 |
| Primary Part Number | 37593 |
| Item Name | Adapter |
| FSC / FSG | 1620 / 16 — Aircraft Landing Gear Components |
| Manufacturer | Thomas Instrument, Incorporated |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
NSN 1620-01-201-3555 is a Adapter, manufactured by Thomas Instrument, Incorporated, classified under FSC 1620, Aircraft Landing Gear Components. Status: active.
NSN 1620-01-201-3555 has 2 manufacturer part numbers on file: 37593 (Thomas Instrument, Incorporated), 37593 (Thomas Instrument, Incorporated).
1 possible match (shared part number, not a government interchangeability claim): 5310-01-287-0200. Verify interchangeability with system specifications before substitution.
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 1620-01-201-3555 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.