The Wedge,railway Journal Bearing, cataloged under National Stock Number 2240-00-127-9963, is classified within Federal Supply Class 2240 (Locomotive and Rail Car Accessories and Components) of the Railway Equipment group. The manufacturer of record is Ohio Industries Inc. Government technical data includes 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2240-00-127-9963 |
| Primary Part Number | B4772MCB60 |
| Item Name | Wedge,railway Journal Bearing |
| FSC / FSG | 2240 / 22 — Locomotive and Rail Car Accessories and Components |
| Manufacturer | Ohio Industries Inc |
| Status | ACTIVE |
| General Characteristics Item Description | STEEL; AAR CLASS E; DIM OF AXLE JOURNAL W/WHICH USED 6 IN. DIA 11 IN. LG IN |
| Nondefinitive Spec/std Data | E CLASS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| B4772MCB60 PRIMARY | Ohio Industries Inc (USA) |
| Reference | Meaning |
|---|---|
| 16130E | 5/9 Secondary reference Midland-Ross Corp National Castings Div |
NSN 2240-00-127-9963 is a Wedge,railway Journal Bearing, manufactured by Ohio Industries Inc, classified under FSC 2240, Locomotive and Rail Car Accessories and Components. Status: active.
NSN 2240-00-127-9963 has 1 manufacturer part number on file: B4772MCB60 (Ohio Industries Inc).
Key specifications for B4772MCB60: General Characteristics Item Description: STEEL; AAR CLASS E; DIM OF AXLE JOURNAL W/WHICH USED 6 IN. DIA 11 IN. LG IN; Nondefinitive Spec/std Data: E CLASS. 2 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). 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.