The Guide Solenoid, cataloged under National Stock Number 1620-01-135-5370, 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 1 manufacturer part number 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Guide Solenoid |
| FSC / FSG | 1620 — Aircraft Landing Gear Components (FSG 16) |
| Manufacturers | Thomas Instrument, Incorporated (CAGE 5H860) |
| Parameter | Value |
|---|---|
| NSN | 1620-01-135-5370 |
| Primary Part Number | 3219-071 |
| Item Name | Guide Solenoid |
| FSC / FSG | 1620 / 16 — Aircraft Landing Gear Components |
| Manufacturer | Thomas Instrument, Incorporated |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 3219-071 | Thomas Instrument, Incorporated (USA) |
| Reference | Meaning |
|---|---|
| 3219-071 | 3/9 Design control — primary reference U.S. Government activity |
| 3219-071 | 5/9 Secondary reference Woodward Hrt, Inc. Dba Woodward Hrt Inc |
NSN 1620-01-135-5370 is a Guide Solenoid, manufactured by Thomas Instrument, Incorporated, classified under FSC 1620, Aircraft Landing Gear Components. Status: active.
NSN 1620-01-135-5370 has 1 manufacturer part number on file: 3219-071 (Thomas Instrument, Incorporated).
2 possible matches (shared part number, not a government interchangeability claim): 6150-01-140-8463, 3120-01-365-5942. 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.
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.