The Shoe,fwd, cataloged under National Stock Number 1620-01-560-7659, is classified within Federal Supply Class 1620 (Aircraft Landing Gear Components) of the Aircraft Components and Accessories group. The manufacturer of record is Naval Inventory Control Point Mechanicsburg. Government technical data includes 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1620-01-560-7659 |
| Primary Part Number | 6640217-31SQ |
| Item Name | Shoe,fwd |
| FSC / FSG | 1620 / 16 — Aircraft Landing Gear Components |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Criticality Code Justification | ZZZY |
| Reference Number Differentiating Characteristics | QUALITY ASSURANCE TESTED FOR SUBMARINE ANTENNA APPLICATIONS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | S |
| Part Number | Manufacturer |
|---|---|
| 6640217-31SQ | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| 6640217-31 | 3/1 Design control — primary reference Naval Sea Systems Command |
NSN 1620-01-560-7659 is a Shoe,fwd, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 1620, Aircraft Landing Gear Components. Status: active.
NSN 1620-01-560-7659 has 1 manufacturer part number on file: 6640217-31SQ (Naval Inventory Control Point Mechanicsburg).
Key specifications for 6640217-31SQ: Criticality Code Justification: ZZZY; End Item Identification: 400-6640216(53711),BEARING FRAME ASSY PERIS NO; Reference Number Differentiating Characteristics: QUALITY ASSURANCE TESTED FOR SUBMARINE ANTENNA APPLICATIONS. 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 1620-01-560-7659 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.