The Bearing,ball,annular, cataloged under National Stock Number 3110-01-181-4126, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Hamilton Sundstrand Corporation Dba Collins Aerospace. Government technical data includes 12 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 3110-01-181-4126 |
| Primary Part Number | 784574-1 |
| Item Name | Bearing,ball,annular |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Hamilton Sundstrand Corporation Dba Collins Aerospace |
| Status | ACTIVE |
| Retainer Fabrication Method | MACHINED |
| Internal Clearance | 0.0002 INCHES MINIMUM RADIAL AND 0.0005 INCHES MAXIMUM RADIAL IN |
| Surface Finish | GROUND |
| Shield Quantity | 2 |
| Style Designator | NON-LOADING GROOVE, NON-SEPARABLE |
| Material Document and Classification | AISI-440C ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Overall Outside Diameter | 0.9996 INCHES MINIMUM AND 0.9999 INCHES MAXIMUM IN |
| Bore Shape | STRAIGHT |
| Load Direction | RADIAL |
| Standard Tolerance Designation | ABEC NO. 5T |
| Bore Diameter | 0.7496 INCHES MINIMUM AND 0.7499 INCHES MAXIMUM IN |
| Material | STEEL COMP 440C OVERALL |
| 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 |
|---|---|
| 784574-1 | Hamilton Sundstrand Corporation Dba Collins Aerospace (USA) |
| Reference | Meaning |
|---|---|
| SSRI-1634X99ZZSD600KFA5 | 3/2 Design control — primary reference U.S. Government activity |
| SR1232PPTC20K25 | 5/9 Secondary reference U.S. Government activity |
NSN 3110-01-181-4126 is a Bearing,ball,annular, manufactured by Hamilton Sundstrand Corporation Dba Collins Aerospace, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-181-4126 has 1 manufacturer part number on file: 784574-1 (Hamilton Sundstrand Corporation Dba Collins Aerospace).
Key specifications for 784574-1: Retainer Fabrication Method: MACHINED; Internal Clearance: 0.0002 INCHES MINIMUM RADIAL AND 0.0005 INCHES MAXIMUM RADIAL IN; Surface Finish: GROUND; Shield Quantity: 2. 12 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.