The Bearing,ball,annular, cataloged under National Stock Number 3110-00-720-3555, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Us Army Aviation and Missile Command. Government technical data includes 13 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-00-720-3555 |
| Primary Part Number | 9144127 |
| Item Name | Bearing,ball,annular |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Us Army Aviation and Missile Command |
| Status | ACTIVE |
| Lubrication Material | GREASE |
| Internal Clearance | 0.0000 INCHES MINIMUM RADIAL AND 0.0002 INCHES MAXIMUM RADIAL IN |
| Surface Finish | GROUND |
| Shield Quantity | 2 |
| Style Designator | NON-LOADING GROOVE, NON-SEPARABLE |
| Material Document and Classification | QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Overall Outside Diameter | 1.6248 INCHES MINIMUM AND 1.6250 INCHES MAXIMUM IN |
| Bore Shape | STRAIGHT |
| Load Direction | RADIAL |
| Standard Tolerance Designation | ABEC NO.5 |
| Bore Diameter | 0.7498 INCHES MINIMUM AND 0.7500 INCHES MAXIMUM IN |
| Material | STEEL COMP 440C OVERALL |
| Lubrication Material Document and Classification | MIL-G-3278 MIL SPEC SINGLE MATERIAL RESPONSE |
| 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 |
|---|---|
| 9144127 PRIMARY | Us Army Aviation and Missile Command (USA) |
| Reference | Meaning |
|---|---|
| AHWS8KDDFS60160B | 5/9 Secondary reference Timken Co Div the Timken Company |
| SSRS77R12 | 5/9 Secondary reference General Motors Corp Delco Moraine Ndh Div |
NSN 3110-00-720-3555 is a Bearing,ball,annular, manufactured by Us Army Aviation and Missile Command, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-00-720-3555 has 1 manufacturer part number on file: 9144127 (Us Army Aviation and Missile Command).
Key specifications for 9144127: Lubrication Material: GREASE; Internal Clearance: 0.0000 INCHES MINIMUM RADIAL AND 0.0002 INCHES MAXIMUM RADIAL IN; Surface Finish: GROUND; Shield Quantity: 2. 13 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.