The Collar,main Landing Gear Axle, cataloged under National Stock Number 1620-01-558-3988, is classified within Federal Supply Class 1620 (Aircraft Landing Gear Components) of the Aircraft Components and Accessories group. The manufacturer of record is Hdi Landing Gear Usa Inc. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 3 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 1620-01-558-3988 |
| Primary Part Number | 200735473-01 |
| Item Name | Collar,main Landing Gear Axle |
| FSC / FSG | 1620 / 16 — Aircraft Landing Gear Components |
| Manufacturer | Hdi Landing Gear Usa Inc |
| Status | ACTIVE |
| Material | ALUMINUM ALLOY |
| 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 |
|---|---|
| 200735473-01 | Hdi Landing Gear Usa Inc (USA) |
| 200735473-01 | Heroux-Devtek Inc (CAN) |
| 200735473-01 | Aerometals, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 200735473-01 | 3/2 Design control — primary reference U.S. Government activity |
| 200735473-01 | 5/2 Secondary reference U.S. Government activity |
NSN 1620-01-558-3988 is a Collar,main Landing Gear Axle, manufactured by Hdi Landing Gear Usa Inc, classified under FSC 1620, Aircraft Landing Gear Components. Status: active.
NSN 1620-01-558-3988 has 3 manufacturer part numbers on file: 200735473-01 (Hdi Landing Gear Usa Inc), 200735473-01 (Heroux-Devtek Inc), 200735473-01 (Aerometals, Inc.).
Key specifications for 200735473-01: Special Features: 2.625 INCHES DIA, 1.330 INCHES LONG, 2.000 INCHES INSIDE DIA;ALUMINUM ALLOY 2024, T4 IN; Part Name Assigned by Controlling Agency: COLLAR, INBOARD-MLG AXLE; End Item Identification: T-38 AIRCRAFT, MLG; Material: ALUMINUM ALLOY. 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 1620-01-558-3988 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.