The Bearing,upper Oleo, cataloged under National Stock Number 1620-00-604-6327, is classified within Federal Supply Class 1620 (Aircraft Landing Gear Components) of the Aircraft Components and Accessories group. The manufacturer of record is Apex Manufacturing Company, Inc. Dba Apex Manufacturing Co. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 6 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 1620-00-604-6327 |
| Primary Part Number | 3-80735-2 |
| Item Name | Bearing,upper Oleo |
| FSC / FSG | 1620 / 16 — Aircraft Landing Gear Components |
| Manufacturer | Apex Manufacturing Company, Inc. Dba Apex Manufacturing Co |
| Status | ACTIVE |
| General Characteristics Item Description | PLASTIC SYNTHANE,3.990 IN. MIN TO 4.000 IN. MAX O/A LG,9.239 IN. MIN TO 9.242 IN. MAX O/A OD,8.255 IN. MIN TO 8.258 IN. MAX O/A ID,COUNTERBORE 8.585 IN. MIN TO 8.600 IN. MAX DIA 0.940 IN. MIN TO 0.950 IN. MAX DP,1 HOLE THRU WALL 0.690 IN. MIN TO 0.700 IN. MAX DIA IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 3-80735-2 | Apex Manufacturing Company, Inc. Dba Apex Manufacturing Co (USA) |
| 3-80735-2 | Es3 Prime Logistics Group Inc Dba Es3 Plg (USA) |
| 3-80735-2 | Aerometals, Inc. (USA) |
| 3-80735-2 | Federal Industries, Inc. Dba Federal Industries Inc (USA) |
| 3-80735-2 | Kamatics Corporation (USA) |
| 3-80735-2 | Cummins Aerospace, Llc Dba Cummins Aerospace Llc (USA) |
| Reference | Meaning |
|---|---|
| 3-80735-2 | 5/2 Secondary reference U.S. Government activity |
| 3-80735-2 | 3/2 Design control — primary reference U.S. Government activity |
NSN 1620-00-604-6327 is a Bearing,upper Oleo, manufactured by Apex Manufacturing Company, Inc. Dba Apex Manufacturing Co, classified under FSC 1620, Aircraft Landing Gear Components. Status: active.
NSN 1620-00-604-6327 has 6 manufacturer part numbers on file: 3-80735-2 (Apex Manufacturing Company, Inc. Dba Apex Manufacturing Co), 3-80735-2 (Es3 Prime Logistics Group Inc Dba Es3 Plg), 3-80735-2 (Aerometals, Inc.), 3-80735-2 (Federal Industries, Inc. Dba Federal Industries Inc), 3-80735-2 (Kamatics Corporation) and 1 more.
Key specifications for 3-80735-2: General Characteristics Item Description: PLASTIC SYNTHANE,3.990 IN. MIN TO 4.000 IN. MAX O/A LG,9.239 IN. MIN TO 9.242 IN. MAX O/A OD,8.255 IN. MIN TO 8.258 IN. MAX O/A ID,COUNTERBORE 8.585 IN. MIN TO 8.600 IN. MAX DIA 0.940 IN. MIN TO 0.950 IN. MAX DP,1 HOLE THRU WALL 0.690 IN. MIN TO 0.700 IN. MAX DIA IN; Part Name Assigned by Controlling Agency: BEARING,UPPER OLEO. 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.
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.