The Bearing,ball,duplex, cataloged under National Stock Number 3110-01-254-2829, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Kaydon Corporation Dba Kaydon Corp. Government technical data includes 12 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-01-254-2829 |
| Primary Part Number | 2690074-1 |
| Item Name | Bearing,ball,duplex |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Kaydon Corporation Dba Kaydon Corp |
| Status | ACTIVE |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Surface Finish | UNGROUND |
| Style Designator | COUNTERBORED OUTER RINGS, NON-SEPARABLE, BACK TO BACK MOUNTING |
| Material Document and Classification | UNABLE TO DECODE |
| Overall Outside Diameter | 3.6245 INCHES MINIMUM AND 3.6250 INCHES MAXIMUM IN |
| Load Direction | ANGULAR |
| Surface Treatment | PASSIVATE OVERALL |
| Standard Tolerance Designation | ABEC NO.3 |
| Bore Diameter | 2.9996 INCHES MINIMUM AND 3.0000 INCHES MAXIMUM IN |
| Material | OIL LUBRICATION |
| Material | STEEL COMP 440C OVERALL |
| Lubrication Material Document and Classification | MIL-L-6085 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 |
|---|---|
| 2690074-1 PRIMARY | Kaydon Corporation Dba Kaydon Corp (USA) |
| 2690074-1 PRIMARY | Mpb Corp Div Timken Super Precision (USA) |
| Reference | Meaning |
|---|---|
| 3TAR48-58UDB25L0V-2 | 5/9 Secondary reference Mpb Corporation Dba Mpb Corp |
| 13530201 | 5/1 Secondary reference Kaydon Corporation Dba Kaydon Corp |
| 13530201-1 | 5/9 Secondary reference Kaydon Corporation Dba Kaydon Corp |
| S4858M5P712LOVDB | 5/1 Secondary reference Mpb Corp Div Timken Super Precision |
| 2690074-1 | 7/2 Vendor item drawing reference U.S. Government activity |
NSN 3110-01-254-2829 is a Bearing,ball,duplex, manufactured by Kaydon Corporation Dba Kaydon Corp, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-254-2829 has 2 manufacturer part numbers on file: 2690074-1 (Kaydon Corporation Dba Kaydon Corp), 2690074-1 (Mpb Corp Div Timken Super Precision).
Key specifications for 2690074-1: Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Surface Finish: UNGROUND; Style Designator: COUNTERBORED OUTER RINGS, NON-SEPARABLE, BACK TO BACK MOUNTING; Material Document and Classification: UNABLE TO DECODE. 12 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.