The Bearing,ball,annular, cataloged under National Stock Number 3110-01-298-7353, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Mpb Corp Div Timken Super Precision. Government technical data includes 21 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 3110-01-298-7353 |
| Primary Part Number | 2692637-1 |
| Item Name | Bearing,ball,annular |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Mpb Corp Div Timken Super Precision |
| Status | ACTIVE |
| Lubrication Material | GREASE |
| Internal Clearance | 0.0002 INCHES MINIMUM RADIAL AND 0.0008 INCHES MAXIMUM RADIAL IN |
| Flange Outside Diameter | 0.5470 INCHES NOMINAL IN |
| Surface Finish | GROUND |
| Shield Quantity | 2 |
| Style Designator | LOADING GROOVE, NON-SEPARABLE |
| Material Document and Classification | QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE BALL |
| Material Document and Classification | QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OUTER RING |
| Material Document and Classification | QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE INNER RING |
| Material Document and Classification | QQ-S-766 FED SPEC ALL MATERIAL RESPONSES RETAINER |
| Bore Shape | STRAIGHT |
| Load Direction | RADIAL |
| Flange Width | 0.0450 INCHES NOMINAL IN |
| Outer Ring Outside Diameter | 0.5000 INCHES NOMINAL IN |
| Standard Tolerance Designation | ABEC NO. 7P |
| Bore Diameter | 0.2500 INCHES NOMINAL IN |
| Material | STEEL COMP 440C INNER RING |
| Material | STEEL COMP 440C OUTER RING |
| Material | STEEL COMP 440C BALL |
| Material | STEEL COMP 305 OR STEEL COMP 302 OR STEEL COMP 304 OR STEEL COMP 323 OR STEEL COMP 310 OR STEEL COMP 301 OR STEEL COMP 309 OR STEEL COMP 316 OR STEEL COMP 348 RETAINER |
| Lubrication Material Document and Classification | MIL-G-81937 MIL SPEC SINGLE MATERIAL RESPONSE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 2692637-1 PRIMARY | Mpb Corp Div Timken Super Precision (USA) |
| Reference | Meaning |
|---|---|
| 2692637-1 | 7/2 Vendor item drawing reference U.S. Government activity |
| S814FHH7P28LG31 | 5/9 Secondary reference Mpb Corp Div Timken Super Precision |
NSN 3110-01-298-7353 is a Bearing,ball,annular, manufactured by Mpb Corp Div Timken Super Precision, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-298-7353 has 1 manufacturer part number on file: 2692637-1 (Mpb Corp Div Timken Super Precision).
Key specifications for 2692637-1: Lubrication Material: GREASE; Internal Clearance: 0.0002 INCHES MINIMUM RADIAL AND 0.0008 INCHES MAXIMUM RADIAL IN; Flange Outside Diameter: 0.5470 INCHES NOMINAL IN; Surface Finish: GROUND. 21 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.
NSN 3110-01-298-7353 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.