The Cone and Roller Special, cataloged under National Stock Number 3110-01-131-6972, 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 1 specification, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-01-131-6972 |
| Primary Part Number | 26RNHZ203-139 |
| Item Name | Cone and Roller Special |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Mpb Corporation Dba Mpb Corp |
| Status | ACTIVE |
| General Characteristics Item Description | STEEL AISI 52100 FOR CONE AND ROLLERS;0.4674 IN. MIN 0.4724 IN. MAX WIDE,ROLLERS 0.250 IN WIDE;0.6691 IN. MIN 0.6693 IN. MAX BORE DIAM;1.3721 IN. MIN 1.3726 IN. MAX OVERALL OUTSIDE DIAM 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 |
|---|---|
| 26RNHZ203-139 PRIMARY | Mpb Corporation Dba Mpb Corp (USA) |
| MR203CY SPECIAL PRIMARY | Skf Usa Inc. (USA) |
| 77-0713 | Department of Defense Project Manager-Mobile Electric Power (USA) |
| Reference | Meaning |
|---|---|
| 77-0713 | 5/9 Secondary reference Rtx Corporation Div Pratt & Whitney |
NSN 3110-01-131-6972 is a Cone and Roller Special, manufactured by Mpb Corporation Dba Mpb Corp, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-131-6972 has 3 manufacturer part numbers on file: 26RNHZ203-139 (Mpb Corporation Dba Mpb Corp), MR203CY SPECIAL (Skf Usa Inc.), 77-0713 (Department of Defense Project Manager-Mobile Electric Power).
1 possible match (shared part number, not a government interchangeability claim): 5998-01-270-2085. Verify interchangeability with system specifications before substitution.
Key specifications for 26RNHZ203-139: General Characteristics Item Description: STEEL AISI 52100 FOR CONE AND ROLLERS;0.4674 IN. MIN 0.4724 IN. MAX WIDE,ROLLERS 0.250 IN WIDE;0.6691 IN. MIN 0.6693 IN. MAX BORE DIAM;1.3721 IN. MIN 1.3726 IN. MAX OVERALL OUTSIDE DIAM IN; End Item Identification: T62T32A GAS TURBINE ENG. 1 specification is 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.