The Ball,bearing, cataloged under National Stock Number 3110-00-555-6574, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Brunswick Corp Dba Mercury Marine Div Mercury Marine. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-00-555-6574 |
| Primary Part Number | B55557 |
| Item Name | Ball,bearing |
| FSC / FSG | 3110 / 31 — No Item Name Available |
| Manufacturer | Brunswick Corp Dba Mercury Marine Div Mercury Marine |
| Status | ACTIVE |
| Rolling Element Diameter | 0.3125 INCHES NOMINAL IN |
| Material Document and Classification | AISI ASSN STD ALL MATERIAL RESPONSES OVERALL |
| Material | STEEL COMP 440A OR STEEL COMP 440B OR STEEL COMP 440C OVERALL A |
| Style Designator | BALL |
| Standard Tolerance Designation | AFBMA STD TOLERANCE FOR BALLS, GRADE 25 |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 453632 | Euclid Inc (USA) |
| 453632 | General Motors Llc Dba General Motors Llc (USA) |
| B55557 PRIMARY | Brunswick Corp Dba Mercury Marine Div Mercury Marine (USA) |
| 453632 | General Motors Corp (USA) |
| 37 PRIMARY | Grover Smith Mfg Corp Dba Grover Manufacturing Corp (USA) |
| 453632 | Terex Corp (USA) |
NSN 3110-00-555-6574 is a Ball,bearing, manufactured by Brunswick Corp Dba Mercury Marine Div Mercury Marine, classified under FSC 3110 (No Item Name Available). Status: active.
NSN 3110-00-555-6574 has 6 cross-referenced part numbers: 453632 (Euclid Inc), 453632 (General Motors Llc Dba General Motors Llc), B55557 (Brunswick Corp Dba Mercury Marine Div Mercury Marine), 453632 (General Motors Corp), 37 (Grover Smith Mfg Corp Dba Grover Manufacturing Corp) and 1 more.
There are 5 known substitutes for 3110-00-555-6574: 3110-00-100-6153, 5975-00-109-2442, 3110-00-115-1238 and 2 more. Verify interchangeability with system specifications before substitution.
Key specifications for B55557: Rolling Element Diameter: 0.3125 INCHES NOMINAL IN; Special Features: METALLIC HARDNESS RATING ROCKWELL C MIN 58.0 IN. AND MAX 65.0 IN. IN; Material Document and Classification: AISI ASSN STD ALL MATERIAL RESPONSES OVERALL; Material: STEEL COMP 440A OR STEEL COMP 440B OR STEEL COMP 440C OVERALL A. 6 total characteristics are documented in the Federal Logistics Information System.