The Bearing,ball,duplex, cataloged under National Stock Number 3110-00-409-9545, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.. Government technical data includes 14 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-00-409-9545 |
| Primary Part Number | 3017252 |
| Item Name | Bearing,ball,duplex |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. |
| Status | ACTIVE |
| Retainer Fabrication Method | PRESSED |
| Internal Clearance | 0.0017 INCHES MINIMUM RADIAL AND 0.0023 INCHES MAXIMUM RADIAL IN |
| Surface Finish | GROUND |
| Criticality Code Justification | FEAT |
| Style Designator | COUNTERBORED OUTER RINGS, NON-SEPARABLE, BACK TO BACK MOUNTING |
| Material Document and Classification | UNABLE TO DECODE |
| Overall Outside Diameter | 3.1496 INCHES NOMINAL IN |
| Load Direction | ANGULAR |
| Standard Tolerance Designation | ABEC NO.5 |
| Bore Diameter | 1.5748 INCHES NOMINAL IN |
| Material | STEEL COMP 4340 RETAINER |
| Material | STEEL OUTER RING |
| Material | STEEL INNER RING |
| Material | STEEL BALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | F |
| Part Number | Manufacturer |
|---|---|
| 3101642-01 | Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. (CAN) |
| 3101798-01 | Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. (CAN) |
| 3017252 PRIMARY | Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. (CAN) |
| Reference | Meaning |
|---|---|
| 3101798-01 | 5/9 Secondary reference Skf Usa Inc. |
| 3032733 | 7/2 Vendor item drawing reference Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. |
| 3032733 | 5/9 Secondary reference U.S. Government activity |
NSN 3110-00-409-9545 is a Bearing,ball,duplex, manufactured by Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp., classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-00-409-9545 has 3 manufacturer part numbers on file: 3101642-01 (Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.), 3101798-01 (Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.), 3017252 (Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.).
1 possible match (shared part number, not a government interchangeability claim): 3040-01-079-0449. Verify interchangeability with system specifications before substitution.
Key specifications for 3017252: Retainer Fabrication Method: PRESSED; Internal Clearance: 0.0017 INCHES MINIMUM RADIAL AND 0.0023 INCHES MAXIMUM RADIAL IN; Surface Finish: GROUND; Criticality Code Justification: FEAT. 14 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.
NSN 3110-00-409-9545 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.