The Bearing,roller,needle, cataloged under National Stock Number 3110-01-411-3208, 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 17 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 3110-01-411-3208 |
| Primary Part Number | AS21438 |
| Item Name | Bearing,roller,needle |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Sae International Dba Sae International |
| Status | ACTIVE |
| Bearing Seal Type | CONTACT |
| Lubrication Material | GREASE |
| Outer Ring Width | 1.0750 INCHES NOMINAL IN |
| Surface Finish | GROUND |
| Style Designator | TRACK ROLLER, NON-SEPARABLE |
| Alignment Type | SELF-ALIGNING |
| Surface Treatment | CHROMIUM OUTER RING |
| Surface Treatment | CADMIUM END PLATE |
| Surface Treatment | CADMIUM INNER RING |
| Seal Quantity | 2 |
| Bore Diameter | 0.8750 INCHES NOMINAL IN |
| Material | STEEL OUTER RING |
| Material | STEEL INNER RING |
| Material | STEEL END PLATE |
| Material | STEEL ROLLER |
| Self-Alignment Location | EXTERNAL |
| Inner Ring Width | 1.1250 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 |
|---|---|
| AS21438 PRIMARY | Sae International Dba Sae International (USA) |
| MS21438-114 PRIMARY | Sae International Dba Sae International (USA) |
| Reference | Meaning |
|---|---|
| MS21438-114 | 5/9 Secondary reference U.S. Government activity |
| AS21438 | 5/9 Secondary reference U.S. Government activity |
| 10326694 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| MS21438-114 | 5/9 Secondary reference U.S. Government activity |
NSN 3110-01-411-3208 is a Bearing,roller,needle, manufactured by Sae International Dba Sae International, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-411-3208 has 2 manufacturer part numbers on file: AS21438 (Sae International Dba Sae International), MS21438-114 (Sae International Dba Sae International).
Key specifications for AS21438: Bearing Seal Type: CONTACT; Lubrication Material: GREASE; Outer Ring Width: 1.0750 INCHES NOMINAL IN; Surface Finish: GROUND. 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.