The Bearing,ball,duplex, cataloged under National Stock Number 3110-01-289-9254, 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 22 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-01-289-9254 |
| Primary Part Number | 717512338-001 |
| Item Name | Bearing,ball,duplex |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Mpb Corp Div Timken Super Precision |
| Status | ACTIVE |
| Retainer Fabrication Method | MACHINED |
| Bearing Preload Rating | 4.0 POUNDS MINIMUM AND 6.0 POUNDS MAXIMUM LBS |
| Surface Treatment Document and Classification | CODE 2402,717806000 CAGEC 04939 MFR REF SINGLE TREATMENT RESPONSE BALL |
| Surface Treatment Document and Classification | CODE 2402,717806000 CAGEC 04939 MFR REF SINGLE TREATMENT RESPONSE INNER RING |
| Surface Treatment Document and Classification | CODE 2402,717806000 CAGEC 04939 MFR REF SINGLE TREATMENT RESPONSE OUTER RING |
| Surface Finish | GROUND |
| Style Designator | COUNTERBORED OUTER RINGS, NON-SEPARABLE, BACK TO BACK MOUNTING |
| Material Document and Classification | UNABLE TO DECODE |
| Overall Outside Diameter | 0.8750 INCHES NOMINAL IN |
| Contact Angle | 30.0 DEGREES NOMINAL |
| Load Direction | ANGULAR |
| Surface Treatment | PASSIVATE OUTER RING |
| Surface Treatment | PASSIVATE INNER RING |
| Surface Treatment | PASSIVATE BALL |
| Standard Tolerance Designation | ABEC NO. 7T |
| Bore Diameter | 0.6250 INCHES NOMINAL IN |
| Material | STEEL COMP 440C INNER RING |
| Material | OIL LUBRICATION |
| Material | STEEL COMP 440C OUTER RING |
| Material | STEEL COMP 440C BALL |
| Material | PLASTIC POLYTETRAFLUOROETHYLENE RETAINER |
| Lubrication Material Document and Classification | CODE 7001,717806000 CAGEC 04939 MFR REF 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 |
|---|---|
| 717512338-001 PRIMARY | Mpb Corp Div Timken Super Precision (USA) |
| Reference | Meaning |
|---|---|
| 717512338-001 | 5/9 Secondary reference U.S. Government activity |
| 717512338-001 | 7/2 Vendor item drawing reference Lockheed Martin Corporation |
| P451 | 5/1 Secondary reference Mpb Corp Div Timken Super Precision |
NSN 3110-01-289-9254 is a Bearing,ball,duplex, manufactured by Mpb Corp Div Timken Super Precision, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-289-9254 has 1 manufacturer part number on file: 717512338-001 (Mpb Corp Div Timken Super Precision).
Key specifications for 717512338-001: Retainer Fabrication Method: MACHINED; Bearing Preload Rating: 4.0 POUNDS MINIMUM AND 6.0 POUNDS MAXIMUM LBS; Surface Treatment Document and Classification: CODE 2402,717806000 CAGEC 04939 MFR REF SINGLE TREATMENT RESPONSE BALL; Surface Treatment Document and Classification: CODE 2402,717806000 CAGEC 04939 MFR REF SINGLE TREATMENT RESPONSE INNER RING. 22 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.