The Bearing,inner,upper, cataloged under National Stock Number 3110-00-006-6533, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Northrop Grumman Systems Corporation. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-00-006-6533 |
| Primary Part Number | A51K56563-11 |
| Item Name | Bearing,inner,upper |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| General Characteristics Item Description | ALUMINUM ALLOY,QQ-C-465,ALLOY 630,2.165 IN. MIN,2.166 IN. MAX OD,2.039 IN. MIN,2.040 IN. MAX ID,0.374 IN. MIN,0.380 IN. MAX THK,SPLIT THRU OD TO ID 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 |
|---|---|
| A51K56563-11 PRIMARY | Northrop Grumman Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| A51K56563-11 | 5/9 Secondary reference Northrop Grumman Systems Corporation |
| A51K56563-11 | 3/9 Design control — primary reference Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Northrop Grumman Aeronautics Systems |
NSN 3110-00-006-6533 is a Bearing,inner,upper, manufactured by Northrop Grumman Systems Corporation, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-00-006-6533 has 1 manufacturer part number on file: A51K56563-11 (Northrop Grumman Systems Corporation).
Key specifications for A51K56563-11: General Characteristics Item Description: ALUMINUM ALLOY,QQ-C-465,ALLOY 630,2.165 IN. MIN,2.166 IN. MAX OD,2.039 IN. MIN,2.040 IN. MAX ID,0.374 IN. MIN,0.380 IN. MAX THK,SPLIT THRU OD TO ID IN. 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.