The Uplock Assembly,landing Gear, cataloged under National Stock Number 1620-01-476-7053, 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 5 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 1620-01-476-7053 |
| Primary Part Number | 74B401600-102 |
| Item Name | Uplock Assembly,landing Gear |
| FSC / FSG | 1620 / 16 — Aircraft Landing Gear Components |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Criticality Code Justification | AGAV |
| Material Document and Classification | QQ-A-250/11, COND T651 FED SPEC 1ST MATERIAL RESPONSE AND ZZ-R-765, CLASS 3A, GR 30 FED SPEC 2ND MATERIAL RESPONSE AND D-400, WOVEN DACRON CLOTH FED SPEC 3RD MATERIAL RESPONSE A |
| Material Thickness | 0.500 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY |
| Aircraft Mission Design Series | F/A18-E/F |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| 74B401600-102 PRIMARY | The Boeing Company Div Defense (USA) |
| Reference | Meaning |
|---|---|
| 74B401600-102 | 5/9 Secondary reference Goodrich Corp Dba Goodrich Corp |
NSN 1620-01-476-7053 is a Uplock Assembly,landing Gear, manufactured by The Boeing Company Div Defense, classified under FSC 1620, Aircraft Landing Gear Components. Status: active.
NSN 1620-01-476-7053 has 1 manufacturer part number on file: 74B401600-102 (The Boeing Company Div Defense).
Key specifications for 74B401600-102: Criticality Code Justification: AGAV; Material Document and Classification: QQ-A-250/11, COND T651 FED SPEC 1ST MATERIAL RESPONSE AND ZZ-R-765, CLASS 3A, GR 30 FED SPEC 2ND MATERIAL RESPONSE AND D-400, WOVEN DACRON CLOTH FED SPEC 3RD MATERIAL RESPONSE A; Overall Width: 2.250 INCHES NOMINAL IN; Material Thickness: 0.500 INCHES NOMINAL IN. 5 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 1620-01-476-7053 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.