The Parts Kit,landing Gear, cataloged under National Stock Number 1620-01-592-5531, is classified within Federal Supply Class 1620 (Aircraft Landing Gear Components) of the Aircraft Components and Accessories group. The manufacturer of record is Sps Technologies, Llc Dba Cherry Aerospace Div Div Cherry Aerospace. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 12 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1620-01-592-5531 |
| Primary Part Number | 520-14173-46 |
| Item Name | Parts Kit,landing Gear |
| FSC / FSG | 1620 / 16 — Aircraft Landing Gear Components |
| Manufacturer | Sps Technologies, Llc Dba Cherry Aerospace Div Div Cherry Aerospace |
| Status | ACTIVE |
| Functional Description | STA 538 RH |
| Usage Location | BULKHEAD |
| 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 |
|---|---|
| 520-14173-46 | Sps Technologies, Llc Dba Cherry Aerospace Div Div Cherry Aerospace (USA) |
| 520-14173-46 | The Boeing Company Div Services (USA) |
| 520-14173-46 | Hi-Shear Corporation (USA) |
| 520-14173-46 | Howmet Global Fastening Systems Inc Div Assembly Tooling Division (USA) |
| 520-14173-46 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| 520-14173-46 | West Coast Aerospace, Inc. (USA) |
| 520-14173-46 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| 520-14173-46 | Sonic Industries, Inc. Dba Sonic Industries Inc Div Sonic Industries (USA) |
| 520-14173-46 | The Boeing Company Div Defense (USA) |
| 520-14173-46 | Heartland Precision Fasteners Inc (USA) |
| 520-14173-46 | Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok (USA) |
| 520-14173-46 | Howmet Global Fastening Systems Inc. Div Voi-Shan Products (USA) |
| Reference | Meaning |
|---|---|
| 520-14173-46 | 3/2 Design control — primary reference U.S. Government activity |
| 520-14173-46 | 5/9 Secondary reference U.S. Government activity |
| 520-14173-46 | 5/2 Secondary reference U.S. Government activity |
NSN 1620-01-592-5531 is a Parts Kit,landing Gear, manufactured by Sps Technologies, Llc Dba Cherry Aerospace Div Div Cherry Aerospace, classified under FSC 1620, Aircraft Landing Gear Components. Status: active.
NSN 1620-01-592-5531 has 12 manufacturer part numbers on file: 520-14173-46 (Sps Technologies, Llc Dba Cherry Aerospace Div Div Cherry Aerospace), 520-14173-46 (The Boeing Company Div Services), 520-14173-46 (Hi-Shear Corporation), 520-14173-46 (Howmet Global Fastening Systems Inc Div Assembly Tooling Division), 520-14173-46 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company) and 7 more.
Key specifications for 520-14173-46: Special Features: CONSISTS OF 1 -20 RH MACHINED JPART KIT; Functional Description: STA 538 RH; Part Name Assigned by Controlling Agency: MAIN LANDING GEAR, SIDE SUPPORT REPAIR INSTALLATION; End Item Identification: B-52 ACFT. 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 1620-01-592-5531 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.