The Bearing,roller,needle, cataloged under National Stock Number 3110-01-307-4738, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Timken Aerospace, Inc Dba Torrington Product. Government technical data includes 9 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-01-307-4738 |
| Primary Part Number | DC55999 |
| Item Name | Bearing,roller,needle |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Timken Aerospace, Inc Dba Torrington Product |
| Status | ACTIVE |
| Surface Finish | GROUND |
| Style Designator | NON-SEPARABLE, CLOSED END, DRAWN SHELL |
| Material Document and Classification | FED-STD-66 FED STD 1ST MATERIAL RESPONSE ROLLER |
| Material Document and Classification | FED-STD-66 FED STD 2ND MATERIAL RESPONSE SHELL |
| Overall Outside Diameter | 0.3438 INCHES MINIMUM IN |
| Alignment Type | RIGID |
| Bore Diameter | 0.1881 INCHES MINIMUM AND 0.1886 INCHES MAXIMUM IN |
| Material | STEEL COMP 1012 SHELL |
| Material | STEEL COMP 1095 ROLLER |
| 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 |
|---|---|
| DC55999 PRIMARY | Timken Aerospace, Inc Dba Torrington Product (USA) |
| Reference | Meaning |
|---|---|
| 3221921 | 5/9 Secondary reference Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
NSN 3110-01-307-4738 is a Bearing,roller,needle, manufactured by Timken Aerospace, Inc Dba Torrington Product, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-307-4738 has 1 manufacturer part number on file: DC55999 (Timken Aerospace, Inc Dba Torrington Product).
Key specifications for DC55999: Surface Finish: GROUND; Style Designator: NON-SEPARABLE, CLOSED END, DRAWN SHELL; Material Document and Classification: FED-STD-66 FED STD 1ST MATERIAL RESPONSE ROLLER; Material Document and Classification: FED-STD-66 FED STD 2ND MATERIAL RESPONSE SHELL. 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.
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.