The Cam Follower,needle Bearing, cataloged under National Stock Number 3110-01-520-4329, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is The Entwistle Company Llc. Government technical data includes 14 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 3110-01-520-4329 |
| Primary Part Number | EJ-22231 |
| Item Name | Cam Follower,needle Bearing |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | The Entwistle Company Llc |
| Status | ACTIVE |
| Cam End Diameter | 1.0000 INCHES NOMINAL IN |
| Outer Ring Width | 1.0000 INCHES NOMINAL IN |
| Eccentricity | 0.6300 INCHES NOMINAL IN |
| Thread Length | 0.5000 INCHES NOMINAL IN |
| Style Designator | CAM FOLLOWER, ADJUSTABLE |
| Overall Outside Diameter | 1.0000 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.4375 INCHES IN |
| Stud Length | 0.5000 INCHES NOMINAL IN |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 20 |
| Material | STEEL OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Stud Diameter | 0.4375 INCHES NOMINAL 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 |
|---|---|
| EJ-22231 | The Entwistle Company Llc (USA) |
| EJ-42180 REV H ITEM NO 39 | The Entwistle Company Llc (USA) |
| EJ-42196 REV E ITEM NO 4 | The Entwistle Company Llc (USA) |
| Reference | Meaning |
|---|---|
| CCFE-1-SB | 3/2 Design control — primary reference U.S. Government activity |
| EJ-42180 REV H ITEM NO 39 | 5/2 Secondary reference U.S. Government activity |
NSN 3110-01-520-4329 is a Cam Follower,needle Bearing, manufactured by The Entwistle Company Llc, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-520-4329 has 3 manufacturer part numbers on file: EJ-22231 (The Entwistle Company Llc), EJ-42180 REV H ITEM NO 39 (The Entwistle Company Llc), EJ-42196 REV E ITEM NO 4 (The Entwistle Company Llc).
Key specifications for EJ-22231: Cam End Diameter: 1.0000 INCHES NOMINAL IN; Outer Ring Width: 1.0000 INCHES NOMINAL IN; Eccentricity: 0.6300 INCHES NOMINAL IN; Thread Length: 0.5000 INCHES NOMINAL IN. 14 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.