The Cam Follower,needle Bearing, cataloged under National Stock Number 3110-00-019-9519, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Rbc Aircraft Products, Inc.. Government technical data includes 17 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 3110-00-019-9519 |
| Primary Part Number | HRT-1C4 |
| Item Name | Cam Follower,needle Bearing |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Rbc Aircraft Products, Inc. |
| Status | ACTIVE |
| Lubrication Material | GREASE |
| Outer Ring Width | 0.2760 INCHES MINIMUM AND 0.2810 INCHES MAXIMUM IN |
| Thread Length | 0.3750 INCHES NOMINAL IN |
| Style Designator | CAM FOLLOWER |
| Overall Outside Diameter | 0.4995 INCHES MINIMUM AND 0.5010 INCHES MAXIMUM IN |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.190 INCHES IN |
| Stud Length | 0.5000 INCHES NOMINAL IN |
| Surface Treatment | CHROMIUM OUTER RING |
| Surface Treatment | CADMIUM STUD |
| Surface Treatment | CADMIUM WASHER |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 32 |
| Material | STEEL OVERALL |
| Thread Series Designator | UNF |
| Lubrication Material Document and Classification | MIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE |
| Stud Diameter | 0.1890 INCHES MINIMUM AND 0.1900 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | F |
| Part Number | Manufacturer |
|---|---|
| HRT-1C4 | Rbc Aircraft Products, Inc. (USA) |
| Reference | Meaning |
|---|---|
| HRT-1C4 | 3/2 Design control — primary reference U.S. Government activity |
| HRT-1C4 | 5/9 Secondary reference Timken Aerospace, Inc Dba Torrington Product |
NSN 3110-00-019-9519 is a Cam Follower,needle Bearing, manufactured by Rbc Aircraft Products, Inc., classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-00-019-9519 has 1 manufacturer part number on file: HRT-1C4 (Rbc Aircraft Products, Inc.).
Key specifications for HRT-1C4: Lubrication Material: GREASE; Outer Ring Width: 0.2760 INCHES MINIMUM AND 0.2810 INCHES MAXIMUM IN; Thread Length: 0.3750 INCHES NOMINAL IN; Style Designator: CAM FOLLOWER. 17 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.