The Bearing,roller,needle, cataloged under National Stock Number 3110-00-245-4876, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems. Government technical data includes 14 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-00-245-4876 |
| Primary Part Number | 139C7757-2 |
| Item Name | Bearing,roller,needle |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems |
| Status | ACTIVE |
| Bearing Seal Type | CONTACT |
| Lubrication Material | GREASE |
| Surface Finish | GROUND |
| Style Designator | NON-SEPARABLE, WITH ROLLER RETAINER, OPEN END, DRAWN SHELL |
| Overall Outside Diameter | 0.6875 INCHES NOMINAL IN |
| Alignment Type | RIGID |
| Seal Quantity | 2 |
| Standard Tolerance Designation | AFBMA STD TOLERANCE FOR INDUSTRIAL NEEDLE BEARINGS |
| Bore Diameter | 0.5000 INCHES NOMINAL IN |
| Material | STEEL SHELL |
| Material | RUBBER SYNTHETIC SEAL |
| Material | STEEL RETAINER |
| Material | STEEL ROD END BODY |
| Lubrication Material Document and Classification | MIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE |
| 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 |
|---|---|
| 139C7757-2 PRIMARY | General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems (USA) |
| Reference | Meaning |
|---|---|
| JTT87 | 5/1 Secondary reference Timken Aerospace, Inc Dba Torrington Product |
| 139C7757-2 | 5/9 Secondary reference Timken Aerospace, Inc Dba Torrington Product |
NSN 3110-00-245-4876 is a Bearing,roller,needle, manufactured by General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-00-245-4876 has 1 manufacturer part number on file: 139C7757-2 (General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems).
Key specifications for 139C7757-2: Bearing Seal Type: CONTACT; Lubrication Material: GREASE; Surface Finish: GROUND; Style Designator: NON-SEPARABLE, WITH ROLLER RETAINER, OPEN END, DRAWN SHELL. 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.