The Cam Follower,needle Bearing, cataloged under National Stock Number 3110-01-374-9310, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Sae International Dba Sae International. Government technical data includes 15 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-01-374-9310 |
| Primary Part Number | MS21440-102 |
| Item Name | Cam Follower,needle Bearing |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Sae International Dba Sae International |
| Status | ACTIVE |
| Bearing Seal Type | CONTACTCONTACT |
| Lubrication Material | GREASEGREASE |
| Outer Ring Width | 0.4060 INCHES NOMINAL0.4060 INCHES NOMINAL IN |
| Thread Length | 0.3125 INCHES MINIMUM0.3125 INCHES MINIMUM IN |
| Style Designator | CAM FOLLOWERCAM FOLLOWER |
| Overall Outside Diameter | 0.6250 INCHES NOMINAL0.6250 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HANDRIGHT-HAND |
| Nominal Thread Size | 0.2500 INCHES0.2500 INCHES IN |
| Stud Length | 0.7500 INCHES NOMINAL0.7500 INCHES NOMINAL IN |
| Seal Quantity | 22 |
| Thread Class | 2A2A |
| Thread Quantity Per Inch | 2828 |
| Thread Series Designator | UNFUNF |
| Lubrication Material Document and Classification | MIL-G-81322 MIL SPEC SINGLE MATERIAL RESPONSEMIL-G-81322 MIL SPEC SINGLE MATERIAL RESPONSE |
| Stud Diameter | 0.2500 INCHES NOMINAL0.2500 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 |
|---|---|
| MS21440-102 PRIMARY | Sae International Dba Sae International (USA) |
| Reference | Meaning |
|---|---|
| MS21440-102 | 5/9 Secondary reference U.S. Government activity |
| MS21440-102 | 5/9 Secondary reference U.S. Government activity |
| AS21440 | 5/9 Secondary reference U.S. Government activity |
| AS21440 | 3/1 Design control — primary reference Sae International Dba Sae International |
NSN 3110-01-374-9310 is a Cam Follower,needle Bearing, manufactured by Sae International Dba Sae International, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-374-9310 has 1 manufacturer part number on file: MS21440-102 (Sae International Dba Sae International).
Key specifications for MS21440-102: Bearing Seal Type: CONTACTCONTACT; Lubrication Material: GREASEGREASE; Outer Ring Width: 0.4060 INCHES NOMINAL0.4060 INCHES NOMINAL IN; Thread Length: 0.3125 INCHES MINIMUM0.3125 INCHES MINIMUM IN. 15 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.