The Bearing,ball,airframe, cataloged under National Stock Number 3110-01-346-2955, 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 8 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through both NSN and commercial part number lookups. 8 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-01-346-2955 |
| Primary Part Number | SM-C-879280 |
| Item Name | Bearing,ball,airframe |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Kaydon Corporation Dba Kaydon Corp |
| Status | ACTIVE |
| Retainer Fabrication Method | MACHINED |
| Lubrication Material | OILOIL |
| Outer Ring Width | 0.3120 INCHES NOMINAL0.3120 INCHES NOMINAL IN |
| Style Designator | SINGLE ROW, TORQUE TUBE TYPE, W/OR W/O CLOSURESINGLE ROW, TORQUE TUBE TYPE, W/OR W/O CLOSURE |
| Overall Outside Diameter | 3.8750 INCHES NOMINAL3.8750 INCHES NOMINAL IN |
| Load Direction | RADIALRADIAL |
| Bore Diameter | 3.0625 INCHES NOMINAL3.0625 INCHES NOMINAL IN |
| Inner Ring Width | 0.3750 INCHES NOMINAL0.3750 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 |
|---|---|
| SM-C-879280 PRIMARY | Kaydon Corporation Dba Kaydon Corp (USA) |
| SM-C-879280 PRIMARY | Mpb Corporation Dba Mpb Corp (USA) |
| Reference | Meaning |
|---|---|
| 549EESD600KFA5P510LG4UB | 5/1 Secondary reference U.S. Government activity |
| SM-C-879280 | 5/1 Secondary reference U.S. Government activity |
| SM-C-879280 | 7/2 Vendor item drawing reference U.S. Government activity |
| S4962MCE7P715LO2 | 5/1 Secondary reference Mpb Corporation Dba Mpb Corp |
| 04838 | 5/9 Secondary reference U.S. Government activity |
| 3TKCR49-62-62 | 5/1 Secondary reference Mpb Corporation Dba Mpb Corp |
| 13100001 | 5/1 Secondary reference Kaydon Corporation Dba Kaydon Corp |
| SM-C-879280 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3110-01-346-2955 is a Bearing,ball,airframe, manufactured by Kaydon Corporation Dba Kaydon Corp, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-346-2955 has 2 manufacturer part numbers on file: SM-C-879280 (Kaydon Corporation Dba Kaydon Corp), SM-C-879280 (Mpb Corporation Dba Mpb Corp).
Key specifications for SM-C-879280: Retainer Fabrication Method: MACHINED; Lubrication Material: OILOIL; Outer Ring Width: 0.3120 INCHES NOMINAL0.3120 INCHES NOMINAL IN; Style Designator: SINGLE ROW, TORQUE TUBE TYPE, W/OR W/O CLOSURESINGLE ROW, TORQUE TUBE TYPE, W/OR W/O CLOSURE. 8 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.