The Bearing,ball,duplex, cataloged under National Stock Number 3110-00-151-8136, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. Government technical data includes 13 specifications, cited from the U.S. Government catalog. The record lists 5 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-00-151-8136 |
| Primary Part Number | 64G180-1 |
| Item Name | Bearing,ball,duplex |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | ACTIVE |
| Bearing Preload Rating | 20.0 POUNDS NOMINAL LBS |
| Internal Fit-Up Designation | STANDARD |
| Surface Finish | GROUND |
| Style Designator | COUNTERBORED OUTER RINGS, NON-SEPARABLE, BACK TO BACK MOUNTING |
| Material Document and Classification | UNABLE TO DECODE |
| Overall Outside Diameter | 2.4407 INCHES MINIMUM AND 2.4409 INCHES MAXIMUM IN |
| Load Direction | ANGULAR |
| Standard Tolerance Designation | ABEC NO.7 |
| Bore Diameter | 1.18095 INCHES MINIMUM AND 1.18110 INCHES MAXIMUM IN |
| Material | STEEL COMP E51100 BALL |
| Material | PLASTIC PHENOLIC RETAINER |
| Material | STEEL COMP E52100 OUTER RING |
| Material | STEEL COMP E52100 INNER RING |
| 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 |
|---|---|
| 64G180-1 | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| 103T935 | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| 14G315-14 | Westinghouse Electric Corp (USA) |
| 103T935 | Westinghouse Electric Corp (USA) |
| 64G180-1 | Westinghouse Electric Corp (USA) |
| Reference | Meaning |
|---|---|
| 64G180-1 | 3/9 Design control — primary reference Westinghouse Electric Corp Power Generation-Generator Div |
| 103T935 | 5/9 Secondary reference Westinghouse Electric Corp Power Generation-Generator Div |
| 14G315-14 | 5/9 Secondary reference Colt Industries Operating Corp Pratt and Whitney Machine Tool Div |
| 14G315-14 | 5/9 Secondary reference Westinghouse Electric Corp Power Generation-Generator Div |
NSN 3110-00-151-8136 is a Bearing,ball,duplex, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-00-151-8136 has 5 manufacturer part numbers on file: 64G180-1 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 103T935 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 14G315-14 (Westinghouse Electric Corp), 103T935 (Westinghouse Electric Corp), 64G180-1 (Westinghouse Electric Corp).
Key specifications for 64G180-1: Bearing Preload Rating: 20.0 POUNDS NOMINAL LBS; Internal Fit-Up Designation: STANDARD; Surface Finish: GROUND; Style Designator: COUNTERBORED OUTER RINGS, NON-SEPARABLE, BACK TO BACK MOUNTING. 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.