The Bearing,ball,annular, cataloged under National Stock Number 3110-01-030-9373, 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 18 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-01-030-9373 |
| Primary Part Number | TCNR25-32P |
| Item Name | Bearing,ball,annular |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Mpb Corp Div Timken Super Precision |
| Status | ACTIVE |
| Retainer Fabrication Method | MACHINED |
| Lubrication Material | OIL |
| Internal Clearance | 0.0005 INCHES MINIMUM RADIAL AND 0.0015 INCHES MAXIMUM RADIAL IN |
| Surface Finish | GROUND |
| Style Designator | NON-LOADING GROOVE, NON-SEPARABLE |
| Material Document and Classification | AISI ASSN STD SINGLE MATERIAL RESPONSE OUTER RING |
| Material Document and Classification | AISI ASSN STD SINGLE MATERIAL RESPONSE BALL |
| Material Document and Classification | AISI ASSN STD SINGLE MATERIAL RESPONSE INNER RING |
| Material Document and Classification | MIL-P-79,FORM TR,TY FBE MIL SPEC SINGLE MATERIAL RESPONSE RETAINER |
| Overall Outside Diameter | 1.9994 INCHES MINIMUM AND 2.0000 INCHES MAXIMUM IN |
| Bore Shape | STRAIGHT |
| Load Direction | RADIAL |
| Bore Diameter | 1.5622 INCHES MINIMUM AND 1.5628 INCHES MAXIMUM IN |
| Material | STEEL COMP E52100 BALL |
| Material | COTTON AND PLASTIC PHENOLIC RETAINER |
| Material | STEEL COMP E52100 OUTER RING |
| Material | STEEL COMP E52100 INNER RING |
| 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 |
|---|---|
| TCNR25-32P PRIMARY | Mpb Corp Div Timken Super Precision (USA) |
| C2532BM3P515L02 | Mpb Corp Div Timken Super Precision (USA) |
| Reference | Meaning |
|---|---|
| 10291842 | 7/2 Vendor item drawing reference Us Army Aviation and Missile Command |
| TCNR25-32P | 5/9 Secondary reference Mpb Corporation Dba Mpb Corp |
NSN 3110-01-030-9373 is a Bearing,ball,annular, manufactured by Mpb Corp Div Timken Super Precision, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-030-9373 has 2 manufacturer part numbers on file: TCNR25-32P (Mpb Corp Div Timken Super Precision), C2532BM3P515L02 (Mpb Corp Div Timken Super Precision).
Key specifications for TCNR25-32P: Retainer Fabrication Method: MACHINED; Lubrication Material: OIL; Internal Clearance: 0.0005 INCHES MINIMUM RADIAL AND 0.0015 INCHES MAXIMUM RADIAL IN; Surface Finish: GROUND. 18 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.