The Bearing,roller,cylindrical, cataloged under National Stock Number 3110-00-489-1950, 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 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-00-489-1950 |
| Primary Part Number | 663130 |
| Item Name | Bearing,roller,cylindrical |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | ACTIVE |
| Locating Feature | NONLOCATING |
| Surface Finish | UNGROUND |
| Style Designator | CYLINDRICAL INNER RING, CYLINDRICAL OUTER RING, SEPARABLE |
| Material Document and Classification | AMS 5630 ASSN STD SINGLE MATERIAL RESPONSE OUTER RACE |
| Material Document and Classification | AMS 5630 FED STD SINGLE MATERIAL RESPONSE ROLLER |
| Material Document and Classification | AMS 5630 FED STD SINGLE MATERIAL RESPONSE STUD |
| Overall Outside Diameter | 0.9995 INCHES MINIMUM AND 1.0000 INCHES MAXIMUM IN |
| Bore Shape | STRAIGHT |
| Bore Diameter | 0.3745 INCHES MINIMUM AND 0.3750 INCHES MAXIMUM IN |
| Material | STEEL COMP 440C ROLLER |
| Material | STEEL COMP 440C OUTER RACE |
| Material | STEEL COMP 440C STUD |
| 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 |
|---|---|
| 663130 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
NSN 3110-00-489-1950 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 3110-00-489-1950 has 1 manufacturer part number on file: 663130 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
Key specifications for 663130: Locating Feature: NONLOCATING; Surface Finish: UNGROUND; Style Designator: CYLINDRICAL INNER RING, CYLINDRICAL OUTER RING, SEPARABLE; Material Document and Classification: AMS 5630 ASSN STD SINGLE MATERIAL RESPONSE OUTER RACE. 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.