The Bearing,ball,duplex, cataloged under National Stock Number 3110-01-362-9813, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Mpb Corporation Dba Mpb Corp. Government technical data includes 10 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 3110-01-362-9813 |
| Primary Part Number | 3TA0-32-40-21 |
| Item Name | Bearing,ball,duplex |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Mpb Corporation Dba Mpb Corp |
| Status | ACTIVE |
| Surface Finish | GROUND |
| Style Designator | COUNTERBORED OUTER RINGS, NON-SEPARABLE, BACK TO BACK MOUNTING |
| Overall Outside Diameter | 2.4997 INCHES MINIMUM AND 2.5000 INCHES MAXIMUM IN |
| Contact Angle | 23.0 DEGREES NOMINAL |
| Load Direction | ANGULAR |
| Bore Diameter | 1.9997 INCHES MINIMUM AND 2.0000 INCHES MAXIMUM IN |
| Material | STEEL COMP 440C INNER RING |
| Material | STEEL COMP 440C OUTER RING |
| Material | STEEL COMP 440C BALL |
| Material | PLASTIC POLYTETRAFLUOROETHYLENE RETAINER |
| 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 |
|---|---|
| 3TA0-32-40-21 PRIMARY | Mpb Corporation Dba Mpb Corp (USA) |
| 717801739-002 PRIMARY | Mpb Corp Div Timken Super Precision (USA) |
| Reference | Meaning |
|---|---|
| 717801739-002 | 7/2 Vendor item drawing reference Lockheed Martin Corporation |
| SSMDRI-4032DB120TTA7PC23TLY223 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3110-01-362-9813 is a Bearing,ball,duplex, manufactured by Mpb Corporation Dba Mpb Corp, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-362-9813 has 2 manufacturer part numbers on file: 3TA0-32-40-21 (Mpb Corporation Dba Mpb Corp), 717801739-002 (Mpb Corp Div Timken Super Precision).
Key specifications for 3TA0-32-40-21: Surface Finish: GROUND; Style Designator: COUNTERBORED OUTER RINGS, NON-SEPARABLE, BACK TO BACK MOUNTING; Overall Width: 0.4900 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM IN; Overall Outside Diameter: 2.4997 INCHES MINIMUM AND 2.5000 INCHES MAXIMUM IN. 10 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 3110-01-362-9813 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.