The Bearing,ball,duplex, cataloged under National Stock Number 3110-01-287-2970, 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 24 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-01-287-2970 |
| Primary Part Number | P462 |
| Item Name | Bearing,ball,duplex |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Mpb Corp Div Timken Super Precision |
| Status | ACTIVE |
| Bearing Preload Rating | 1.75 POUNDS MINIMUM AND 2.25 POUNDS MAXIMUM LBS |
| Surface Treatment Document and Classification | CODE 2402 OF 717806000,CAGEC 04939 MFR REF SINGLE TREATMENT RESPONSE BALL |
| Surface Treatment Document and Classification | CODE 2402 OF 717806000,CAGEC 04939 MFR REF SINGLE TREATMENT RESPONSE INNER RING |
| Surface Treatment Document and Classification | CODE 2402 OF 717806000,CAGEC 04939 MFR REF SINGLE TREATMENT RESPONSE OUTER RING |
| Surface Treatment Document and Classification | CODE 2402 OF 717806000,CAGEC 04939 MFR REF SINGLE TREATMENT RESPONSE SHIELD |
| Surface Finish | GROUND |
| Shield Quantity | 4 |
| Style Designator | NON-LOADING GROOVE, NON-SEPARABLE, TANDEM MOUNTING |
| Material Document and Classification | UNABLE TO DECODE |
| Overall Outside Diameter | 0.3750 INCHES NOMINAL IN |
| Load Direction | RADIAL |
| Surface Treatment | PASSIVATE OUTER RING |
| Surface Treatment | PASSIVATE INNER RING |
| Surface Treatment | PASSIVATE BALL |
| Surface Treatment | PASSIVATE SHIELD |
| Standard Tolerance Designation | ABEC NO. 5P |
| Bore Diameter | 0.2500 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 POLYHEXAMETHYLENE ADIPAMIDE AND GLASS FIBER AND PLASTIC RETAINER |
| Material | STEEL COMP 302 OR STEEL COMP 301 SHIELD |
| Lubrication Material Document and Classification | CODE 7001 OF 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 |
|---|---|
| P462 PRIMARY | Mpb Corp Div Timken Super Precision (USA) |
| Reference | Meaning |
|---|---|
| 717512504-001 | 7/2 Vendor item drawing reference Lockheed Martin Corporation |
NSN 3110-01-287-2970 is a Bearing,ball,duplex, manufactured by Mpb Corp Div Timken Super Precision, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-287-2970 has 1 manufacturer part number on file: P462 (Mpb Corp Div Timken Super Precision).
2 possible matches (shared part number, not a government interchangeability claim): 3120-01-361-7157, 4320-01-497-7445. Verify interchangeability with system specifications before substitution.
Key specifications for P462: Bearing Preload Rating: 1.75 POUNDS MINIMUM AND 2.25 POUNDS MAXIMUM LBS; Surface Treatment Document and Classification: CODE 2402 OF 717806000,CAGEC 04939 MFR REF SINGLE TREATMENT RESPONSE BALL; Surface Treatment Document and Classification: CODE 2402 OF 717806000,CAGEC 04939 MFR REF SINGLE TREATMENT RESPONSE INNER RING; Surface Treatment Document and Classification: CODE 2402 OF 717806000,CAGEC 04939 MFR REF SINGLE TREATMENT RESPONSE OUTER RING. 24 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.