The Bearing,roller,thrust, cataloged under National Stock Number 3110-00-830-1680, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Circor Naval Solutions Llc Dba Warren Pumps. Government technical data includes 7 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 3110-00-830-1680 |
| Primary Part Number | 2503ROLT-004-207 |
| Item Name | Bearing,roller,thrust |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Circor Naval Solutions Llc Dba Warren Pumps |
| Status | ACTIVE |
| Retainer Fabrication Method | MACHINED |
| Surface Finish | GROUND |
| Thrust Directional Capability Designation | SINGLE |
| Overall Outside Diameter | 18.8750 INCHES MINIMUM AND 18.8775 INCHES MAXIMUM IN |
| Alignment Type | RIGID |
| Bore Diameter | 11.9982 INCHES MINIMUM AND 12.0000 INCHES MAXIMUM IN |
| Material | STEEL RETAINER |
| 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 |
|---|---|
| 2503ROLT-004-207 PRIMARY | Circor Naval Solutions Llc Dba Warren Pumps (USA) |
| T004-207 PRIMARY | Regal Beloit America, Inc. Dba Rollway Bearing (USA) |
| Reference | Meaning |
|---|---|
| E708-15 | 5/9 Secondary reference Circor Naval Solutions Llc Dba Warren Pumps |
| T004-207 | 5/9 Secondary reference Circor Naval Solutions Llc Dba Warren Pumps |
| E657REVAPC15 | 5/9 Secondary reference Circor Naval Solutions Llc Dba Warren Pumps |
| 999999H013 | 5/9 Secondary reference U.S. Government activity |
NSN 3110-00-830-1680 is a Bearing,roller,thrust, manufactured by Circor Naval Solutions Llc Dba Warren Pumps, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-00-830-1680 has 2 manufacturer part numbers on file: 2503ROLT-004-207 (Circor Naval Solutions Llc Dba Warren Pumps), T004-207 (Regal Beloit America, Inc. Dba Rollway Bearing).
Key specifications for 2503ROLT-004-207: Retainer Fabrication Method: MACHINED; Overall Height: 5.9985 INCHES MINIMUM AND 6.0015 INCHES MAXIMUM IN; Surface Finish: GROUND; Thrust Directional Capability Designation: SINGLE. 7 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.