The Bearing,roller,needle, cataloged under National Stock Number 3110-01-255-5040, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Sae International Dba Sae International. Government technical data includes 25 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-01-255-5040 |
| Primary Part Number | MS21442-161 |
| Item Name | Bearing,roller,needle |
| FSC / FSG | 3110 / 31 — No Item Name Available |
| Manufacturer | Sae International Dba Sae International |
| Status | ACTIVE |
| Alignment Type | RIGID |
| Crown Radius | 12.0000 INCHES NOMINAL IN |
| Features Provided | LUBRICATION GROOVE AND LUBRICATION HOLE |
| Surface Finish | GROUND |
| Standard Tolerance Designation | AFBMA STD TOLERANCE FOR INDUSTRIAL NEEDLE BEARINGS |
| Outer Ring Width | 0.6250 INCHES NOMINAL IN |
| Inner Ring Width | 0.6875 INCHES NOMINAL IN |
| Bearing Seal Type | CONTACT |
| Lubrication Material | GREASE |
| Lubrication Material Document and Classification | MIL-G-81322 MIL SPEC SINGLE MATERIAL RESPONSE |
| Material | PLASTIC ACETAL OR PLASTIC POLYHEXAMETHYLENE ADIPAMIDE SEAL |
| Bore Diameter | 0.3125 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM OR OXIDE INNER RING |
| Surface Treatment Document and Classification | QQ-P-416,TYPE 1,CLASS 2 FED SPEC 1ST TREATMENT RESPONSE OR MIL-C-13924 MIL SPEC 2ND TREATMENT RESPONSE INNER RING |
| Material | STEEL COMP 4615 OR STEEL COMP 4617 OR STEEL COMP 4620 OR STEEL COMP 8620 OR STEEL COMP E50100 OR STEEL COMP E51100 OR STEEL COMP E52100 ROLLER |
| Overall Outside Diameter | 1.0000 INCHES NOMINAL IN |
| Material | STEEL COMP 4615 OR STEEL COMP 4617 OR STEEL COMP 4620 OR STEEL COMP 8620 OR STEEL COMP E50100 OR STEEL COMP E51100 OR STEEL COMP E52100 OUTER RING |
| Material | STEEL COMP 4615 OR STEEL COMP 4617 OR STEEL COMP 4620 OR STEEL COMP 8620 OR STEEL COMP E50100 OR STEEL COMP E51100 OR STEEL COMP E52100 END PLATE |
| Surface Treatment | CHROMIUM OUTER RING |
| Surface Treatment | CADMIUM END PLATE EXPOSED SURFACES |
| Surface Treatment Document and Classification | QQ-P-416,TYPE 1,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE END PLATE EXPOSED SURFACES |
| Seal Quantity | 2 |
| Material | STEEL COMP 4615 OR STEEL COMP 4617 OR STEEL COMP 4620 OR STEEL COMP 8620 OR STEEL COMP E50100 OR STEEL COMP E51100 OR STEEL COMP E52100 INNER RING |
| Surface Treatment Document and Classification | QQ-C-320,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OUTER RING |
| Style Designator | TRACK ROLLER, NON-SEPARABLE |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| AS39901 | Society of Automotive Engineers Inc (USA) |
| MS21442-161 | Society of Automotive Engineers Inc (USA) |
| AS39901 | Sae International Dba Sae International (USA) |
| AS21442 | Society of Automotive Engineers Inc (USA) |
| MS21442-161 PRIMARY | Sae International Dba Sae International (USA) |
| AS21442 | Sae International Dba Sae International (USA) |
| MS21442-161 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
NSN 3110-01-255-5040 is a Bearing,roller,needle, manufactured by Sae International Dba Sae International, classified under FSC 3110 (No Item Name Available). Status: active.
NSN 3110-01-255-5040 has 7 cross-referenced part numbers: AS39901 (Society of Automotive Engineers Inc), MS21442-161 (Society of Automotive Engineers Inc), AS39901 (Sae International Dba Sae International), AS21442 (Society of Automotive Engineers Inc), MS21442-161 (Sae International Dba Sae International) and 2 more.
There are 12 known substitutes for 3110-01-255-5040: 3110-00-227-2800, 3110-00-227-2810, 3110-00-227-2824 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for MS21442-161: Special Features: OIL GROOVE IN OUTER RING OPTIONAL; Alignment Type: RIGID; Crown Radius: 12.0000 INCHES NOMINAL IN; Features Provided: LUBRICATION GROOVE AND LUBRICATION HOLE. 26 total characteristics are documented in the Federal Logistics Information System.