The Bearing,sleeve, cataloged under National Stock Number 3120-00-352-5877, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Koehring Cranes and Excavators Inc Sub of Northwest Engineering Co. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3120-00-352-5877 |
| Primary Part Number | D57 |
| Item Name | Bearing,sleeve |
| FSC / FSG | 3120 / 31 — No Item Name Available |
| Manufacturer | Koehring Cranes and Excavators Inc Sub of Northwest Engineering Co |
| Status | ACTIVE |
| Surface Groove Location and Quantity | 1 INTERNAL |
| Corner Shape | SQUARE LEFT FLANGE BODY CORNER |
| Material Document and Classification | SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Material | COPPER ALLOY 937 OVERALL |
| Corner Shape | CHAMFERED INSIDE LEFT CORNER |
| Style Designator | SOLID, EXTERNAL FLANGE ONE END |
| Corner Shape | SQUARE OUTSIDE LEFT CORNER |
| Corner Shape | CHAMFERED INSIDE RIGHT CORNER |
| Corner Shape | CHAMFERED OUTSIDE RIGHT CORNER |
| Corner Shape | SQUARE LEFT FLANGE OUTSIDE RIGHT CORNER |
| Body Inside Diameter | 3.2590 INCHES MINIMUM AND 3.2610 INCHES MAXIMUM IN |
| Flange Width | 0.2500 INCHES MINIMUM AND 0.2550 INCHES MAXIMUM IN |
| Flange Outside Diameter | 3.9950 INCHES MINIMUM AND 4.0000 INCHES MAXIMUM IN |
| Lubricant Accommodation Style | GROOVED SINGLE LOOP AND GROOVED CIRCULAR |
| Body Outside Diameter | 3.7519 INCHES MINIMUM AND 3.7538 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 3120-00-352-5877 is a Bearing,sleeve, manufactured by Koehring Cranes and Excavators Inc Sub of Northwest Engineering Co, classified under FSC 3120 (No Item Name Available). Status: active.
NSN 3120-00-352-5877 has 2 cross-referenced part numbers: D57 (Koehring Cranes and Excavators Inc Sub of Northwest Engineering Co), D57 (Koehring Co Lorain Div).
There are 2 known substitutes for 3120-00-352-5877: 4730-00-273-8561, 4730-00-278-4574. Verify interchangeability with system specifications before substitution.
Key specifications for D57: Surface Groove Location and Quantity: 1 INTERNAL; Corner Shape: SQUARE LEFT FLANGE BODY CORNER; Material Document and Classification: SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Material: COPPER ALLOY 937 OVERALL. 16 total characteristics are documented in the Federal Logistics Information System.