The Bearing,sleeve, cataloged under National Stock Number 3120-00-376-8643, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Jpi Transportation Products Inc. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 3120-00-376-8643 |
| Primary Part Number | 121555 |
| Item Name | Bearing,sleeve |
| FSC / FSG | 3120 / 31 — No Item Name Available |
| Manufacturer | Jpi Transportation Products Inc |
| Status | CANCELLED |
| Body Inside Diameter | 2.0710 INCHES MINIMUM AND 2.0735 INCHES MAXIMUM IN |
| Corner Shape | CHAMFERED OUTSIDE LEFT CORNER |
| Body Outside Diameter | 2.2205 INCHES MINIMUM AND 2.2220 INCHES MAXIMUM IN |
| Style Designator | SPLIT, PLAIN, NO OUTSIDE FLANGES |
| Surface Treatment | TIN OVERALL |
| Material | TIN ALLOY INNER LAYER |
| Antirotation/lubrication Type and Quantity | 1 HOLE |
| Hole Diameter | 0.1875 INCHES NOMINAL FIRST IN |
| Material Document and Classification | QQ-S-643 FED SPEC ALL MATERIAL RESPONSES OUTER LAYER |
| Corner Shape | SQUARE INSIDE RIGHT CORNER |
| Corner Shape | SQUARE INSIDE LEFT CORNER |
| Material | OIL LUBRICATING LUBRICATION |
| Material | STEEL COMP 1010 OR STEEL COMP 1015 OUTER LAYER |
| Corner Shape | SQUARE OUTSIDE RIGHT CORNER |
| Lubricant Accommodation Style | INDENTED DIAMOND |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 121555 | Jpi Transportation Products Inc (USA) |
| CS346 | Eaton Corp Dba Eaton Aerospace Jackson (USA) |
| 70261R1 | Navistar Intl Corp Truck Br Ohio Plant (USA) |
| 70261R1 | Navistar International Corporation Dba Navistar (USA) |
| 1578DR | Federal-Mogul Corp Powertrain Products Div (USA) |
NSN 3120-00-376-8643 is a Bearing,sleeve, manufactured by Jpi Transportation Products Inc, classified under FSC 3120 (No Item Name Available). Status: cancelled.
NSN 3120-00-376-8643 has 5 cross-referenced part numbers: 121555 (Jpi Transportation Products Inc), CS346 (Eaton Corp Dba Eaton Aerospace Jackson), 70261R1 (Navistar Intl Corp Truck Br Ohio Plant), 70261R1 (Navistar International Corporation Dba Navistar), 1578DR (Federal-Mogul Corp Powertrain Products Div).
There are 2 known substitutes for 3120-00-376-8643: 5930-01-422-2522, 4820-01-434-6632. Verify interchangeability with system specifications before substitution.
Key specifications for 121555: Body Inside Diameter: 2.0710 INCHES MINIMUM AND 2.0735 INCHES MAXIMUM IN; Corner Shape: CHAMFERED OUTSIDE LEFT CORNER; Body Outside Diameter: 2.2205 INCHES MINIMUM AND 2.2220 INCHES MAXIMUM IN; Style Designator: SPLIT, PLAIN, NO OUTSIDE FLANGES. 16 total characteristics are documented in the Federal Logistics Information System.
NSN 3120-00-376-8643 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.