The Cam Follower,needle Bearing, cataloged under National Stock Number 3110-01-274-9855, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Mcgill Mfg Co Inc Bearing Div. Government technical data includes 26 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 3110-01-274-9855 |
| Primary Part Number | CFH 1/2 SB |
| Item Name | Cam Follower,needle Bearing |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Mcgill Mfg Co Inc Bearing Div |
| Status | ACTIVE |
| Bearing Seal Type | CONTACT |
| Lubrication Material | GREASE |
| Outer Ring Width | 0.3700 INCHES MINIMUM AND 0.3750 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | MIL-C-13924 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.2500 INCHES MINIMUM IN |
| Style Designator | CAM FOLLOWER |
| Material Document and Classification | SAE ASSN STD SINGLE MATERIAL RESPONSE OUTER RING |
| Material Document and Classification | SAE ASSN STD SINGLE MATERIAL RESPONSE ROLLER |
| Material Document and Classification | SAE ASSN STD 1ST MATERIAL RESPONSE INNER RING |
| Material Document and Classification | SAE ASSN STD SINGLE MATERIAL RESPONSE WASHER |
| Overall Outside Diameter | 0.4990 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM IN |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.2500 INCHES IN |
| Stud Length | 0.5950 INCHES MINIMUM AND 0.6550 INCHES MAXIMUM IN |
| Surface Treatment | OXIDE OVERALL |
| Seal Quantity | 2 |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 28 |
| Material | STEEL COMP E52100 OUTER RING |
| Material | PLASTIC POLYAMIDE NYLON SEAL |
| Material | STEEL COMP E52100 WASHER |
| Material | STEEL COMP E50100 ROLLER |
| Material | STEEL COMP E52100 OR STEEL COMP 4118 OR STEEL COMP 4620 OR STEEL COMP 8620 INNER RING |
| Thread Series Designator | UNF |
| Lubrication Material Document and Classification | MIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE |
| Stud Diameter | 0.2500 INCHES MINIMUM AND 0.2510 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 | X |
| Part Number | Manufacturer |
|---|---|
| CFH 1/2 SB | Mcgill Mfg Co Inc Bearing Div (USA) |
| Reference | Meaning |
|---|---|
| 3256651-1 | 7/2 Vendor item drawing reference Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| CFH-1/2 SB | 3/2 Design control — primary reference U.S. Government activity |
NSN 3110-01-274-9855 is a Cam Follower,needle Bearing, manufactured by Mcgill Mfg Co Inc Bearing Div, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-274-9855 has 1 manufacturer part number on file: CFH 1/2 SB (Mcgill Mfg Co Inc Bearing Div).
Key specifications for CFH 1/2 SB: Bearing Seal Type: CONTACT; Lubrication Material: GREASE; Outer Ring Width: 0.3700 INCHES MINIMUM AND 0.3750 INCHES MAXIMUM IN; Surface Treatment Document and Classification: MIL-C-13924 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL. 26 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.