The Head,cylinder,landing Gear, cataloged under National Stock Number 1620-00-073-7552, is classified within Federal Supply Class 1620 (Aircraft Landing Gear Components) of the Aircraft Components and Accessories group. The manufacturer of record is The Boeing Company Div Defense. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 10 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1620-00-073-7552 |
| Primary Part Number | 53-41410-3 |
| Item Name | Head,cylinder,landing Gear |
| FSC / FSG | 1620 / 16 — Aircraft Landing Gear Components |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Overall Diameter | 3.615 INCHES MINIMUM AND 3.617 INCHES MAXIMUM IN |
| General Characteristics Item Description | AMS 6322 CL G2;THRU BORE 1.820 IN. DIA; COUNTERBORE ONE END 2.504 IN. MIN TO 2.506 IN. MAX DIA, 0.906 IN. DEEP; 2 7/16-16 N-3B THREADS, 0.429 IN LG; MACHINED SURFACES 32.0 AND 125.0 MICROINCH FINISH; HEAT TREAT 180000 TO 200000 PSI IN |
| Criticality Code Justification | FEAT |
| Material | STEEL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| 53-41410-3 PRIMARY | The Boeing Company Div Defense (USA) |
| Reference | Meaning |
|---|---|
| 2571561 | 5/9 Secondary reference Honeywell International Inc. Dba Honeywell Div Aerospace-South Bend (westmoor St) |
| 53-41410-3 | 5/9 Secondary reference United Aeronautical Corporation Dba United Aeronautical Corp |
| 53-41410-3 | 5/9 Secondary reference Derco Aerospace, Inc. Dba Derco Aerospace, Inc. a Lockheed Martin Company |
| 53-41410-3 | 5/9 Secondary reference Cummins Aerospace, Llc Dba Cummins Aerospace Llc |
| 2571561 | 5/9 Secondary reference Goodrich Corp Dba Goodrich Corp |
| 2571561 | 5/9 Secondary reference Goodrich Corporation Div Advanced Structures Landing Systems |
| 53-41410-3 | 5/9 Secondary reference Kitco Llc |
| 53-41410-3 | 5/9 Secondary reference Perez Machine, Inc. Dba Perez Machine Inc |
| 53-41410-3 | 5/9 Secondary reference Ramm Defense Products, Inc. Dba Ramm Defense Products |
| 53-41410-3 | 5/9 Secondary reference Jarvis Corp |
NSN 1620-00-073-7552 is a Head,cylinder,landing Gear, manufactured by The Boeing Company Div Defense, classified under FSC 1620, Aircraft Landing Gear Components. Status: active.
NSN 1620-00-073-7552 has 1 manufacturer part number on file: 53-41410-3 (The Boeing Company Div Defense).
Key specifications for 53-41410-3: Overall Diameter: 3.615 INCHES MINIMUM AND 3.617 INCHES MAXIMUM IN; General Characteristics Item Description: AMS 6322 CL G2;THRU BORE 1.820 IN. DIA; COUNTERBORE ONE END 2.504 IN. MIN TO 2.506 IN. MAX DIA, 0.906 IN. DEEP; 2 7/16-16 N-3B THREADS, 0.429 IN LG; MACHINED SURFACES 32.0 AND 125.0 MICROINCH FINISH; HEAT TREAT 180000 TO 200000 PSI IN; Criticality Code Justification: FEAT; Overall Length: 2.040 INCHES NOMINAL IN. 4 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 1620-00-073-7552 has DEMIL Code B. 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.