The Bearing,roller,cylindrical, cataloged under National Stock Number 3110-01-038-9657, 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 7 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-01-038-9657 |
| Primary Part Number | 597050 |
| Item Name | Bearing,roller,cylindrical |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | ACTIVE |
| Surface Finish | UNGROUND |
| Style Designator | LOADING GROOVE, NON-SEPARABLE |
| Material Document and Classification | =WA 725,FSCM 16359 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| Overall Outside Diameter | 2.8345 INCHES NOMINAL IN |
| Bore Shape | STRAIGHT |
| Bore Diameter | 1.3779 INCHES NOMINAL IN |
| Material | STEEL OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 3110-01-038-9657 is a Bearing,roller,cylindrical, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-038-9657 has 2 manufacturer part numbers on file: 740835 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 597050 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
Key specifications for 597050: Surface Finish: UNGROUND; Style Designator: LOADING GROOVE, NON-SEPARABLE; Material Document and Classification: =WA 725,FSCM 16359 MFR REF SINGLE MATERIAL RESPONSE OVERALL; Overall Width: 0.6668 INCHES NOMINAL IN. 7 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.