The Bearing,ball,airframe, cataloged under National Stock Number 3110-00-789-8395, 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 10 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3110-00-789-8395 |
| Primary Part Number | 1800516-18 |
| Item Name | Bearing,ball,airframe |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Lubrication Material | GREASE |
| Outer Ring Width | 0.2500 INCHES NOMINAL IN |
| Shield Quantity | 2 |
| Style Designator | SINGLE ROW, EXTERNAL SELF ALIGNING, W/ALIGNING RING |
| Overall Outside Diameter | 1.9996 INCHES MINIMUM AND 2.0000 INCHES MAXIMUM IN |
| Load Direction | RADIAL |
| Bore Diameter | 1.5622 INCHES MINIMUM AND 1.5625 INCHES MAXIMUM IN |
| Material | STEEL CORROSION RESISTING OVERALL |
| Lubrication Material Document and Classification | MIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE |
| Inner Ring Width | 0.2760 INCHES MINIMUM AND 0.2810 INCHES MAXIMUM 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 |
|---|---|
| 1800516-18 PRIMARY | Northrop Grumman Systems Corporation (USA) |
| 3TWA25-32UG8 PRIMARY | Mpb Corporation Dba Mpb Corp (USA) |
| Reference | Meaning |
|---|---|
| 1800516-18 | 5/9 Secondary reference Lockheed Martin Corporation Div Rms - Mitchel Field |
NSN 3110-00-789-8395 is a Bearing,ball,airframe, manufactured by Northrop Grumman Systems Corporation, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-00-789-8395 has 2 manufacturer part numbers on file: 1800516-18 (Northrop Grumman Systems Corporation), 3TWA25-32UG8 (Mpb Corporation Dba Mpb Corp).
Key specifications for 1800516-18: Lubrication Material: GREASE; Outer Ring Width: 0.2500 INCHES NOMINAL IN; Shield Quantity: 2; Style Designator: SINGLE ROW, EXTERNAL SELF ALIGNING, W/ALIGNING RING. 10 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.
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.