The Bearing,roller,track Roller, cataloged under National Stock Number 3110-01-643-4235, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Mcmaster-Carr Supply Co. Government technical data includes 4 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3110-01-643-4235 |
| Primary Part Number | 7803K13 |
| Item Name | Bearing,roller,track Roller |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Mcmaster-Carr Supply Co |
| Status | ACTIVE |
| Nominal Thread Size | 0.250 INCHES IN |
| Stud Length | 0.750 INCHES NOMINAL IN |
| Thread Quantity Per Inch | 28 |
| Stud Diameter | 0.250 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 |
|---|---|
| 7803K13 | Mcmaster-Carr Supply Co (USA) |
| Reference | Meaning |
|---|---|
| 1-SIA-25-125 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3110-01-643-4235 is a Bearing,roller,track Roller, manufactured by Mcmaster-Carr Supply Co, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-643-4235 has 1 manufacturer part number on file: 7803K13 (Mcmaster-Carr Supply Co).
Key specifications for 7803K13: Nominal Thread Size: 0.250 INCHES IN; Stud Length: 0.750 INCHES NOMINAL IN; Part Name Assigned by Controlling Agency: STUD-MOUNT TRACK ROLLER,NO-LUBE; Thread Quantity Per Inch: 28. 4 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.