The Bearing,roller,needle, cataloged under National Stock Number 3110-01-256-7204, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. Government technical data includes 9 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-01-256-7204 |
| Item Name | Bearing,roller,needle |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Status | ACTIVE |
| Lubrication Material | LUBRICANT |
| Surface Finish | GROUND |
| Style Designator | NON-SEPARABLE, WITH ROLLER RETAINER, HARDENED AND GROUND |
| Material Document and Classification | AISI 52100 ASSN STD SINGLE MATERIAL RESPONSE ROLLER |
| Overall Outside Diameter | 1.8745 INCHES MINIMUM AND 1.8750 INCHES MAXIMUM IN |
| Alignment Type | RIGID |
| Bore Diameter | 1.3759 INCHES MINIMUM AND 1.3769 INCHES MAXIMUM IN |
| Material | STEEL COMP E52100 ROLLER |
| Lubrication Material Document and Classification | MIL-H-5606 MIL SPEC 1ST MATERIAL RESPONSE AND MIL-T-5624 MIL SPEC 2ND MATERIAL RESPONSE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| HJ223020X2 | 5/9 Secondary reference Timken Aerospace, Inc Dba Torrington Product |
| MR-22-7 | 5/1 Secondary reference U.S. Government activity |
| 214-011-803-101 | 1/2 Source control — Government-approved source U.S. Government activity |
| 214-011-803-101 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3110-01-256-7204 is a Bearing,roller,needle, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
Key specifications for 3110-01-256-7204: Lubrication Material: LUBRICANT; Surface Finish: GROUND; Style Designator: NON-SEPARABLE, WITH ROLLER RETAINER, HARDENED AND GROUND; Material Document and Classification: AISI 52100 ASSN STD SINGLE MATERIAL RESPONSE ROLLER. 9 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.
NSN 3110-01-256-7204 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.