The Bearing,roller,needle, cataloged under National Stock Number 3110-01-446-6655, 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 21 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-01-446-6655 |
| Primary Part Number | MS21442-481 |
| Item Name | Bearing,roller,needle |
| FSC / FSG | 3110 / 31 — No Item Name Available |
| Manufacturer | Sae International Dba Sae International |
| Status | ACTIVE |
| Overall Outside Diameter | 3.0000 INCHES NOMINAL IN |
| Material | STEEL ROLLER |
| Lubrication Material | GREASE |
| Seal Quantity | 2 |
| Alignment Type | RIGID |
| Bearing Seal Type | CONTACT |
| Inner Ring Width | 1.8125 INCHES NOMINAL IN |
| Crown Radius | 30.0000 INCHES NOMINAL IN |
| Standard Tolerance Designation | AFBMA STD TOLERANCE FOR INDUSTRIAL NEEDLE BEARINGS |
| Outer Ring Width | 1.7500 INCHES NOMINAL IN |
| Surface Finish | GROUND |
| Features Provided | LUBRICATION GROOVE AND LUBRICATION HOLE |
| Material | STEEL OUTER RING |
| Surface Treatment | CADMIUM AND CHROMATE END PLATE EXPOSED SURFACES |
| Bore Diameter | 1.0000 INCHES NOMINAL IN |
| Style Designator | TRACK ROLLER, NON-SEPARABLE |
| Material | STEEL INNER RING |
| Lubrication Material Document and Classification | MIL-G-81322 MIL SPEC SINGLE MATERIAL RESPONSE |
| Material | PLASTIC ACETAL OR PLASTIC POLYHEXAMETHYLENE ADIPAMIDE SEAL |
| Material | STEEL END PLATE |
| Surface Treatment | CADMIUM AND CHROMATE OR OXIDE OR CADMIUM INNER RING |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| MS21442-481 | Society of Automotive Engineers Inc (USA) |
| 803-6397359 REV A PC. NO. 6 | Naval Sea Systems Command (USA) |
| AS21442 | Sae International Dba Sae International (USA) |
| MS21442-481 PRIMARY | Sae International Dba Sae International (USA) |
| MS21442-481 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| AS21442 | Society of Automotive Engineers Inc (USA) |
NSN 3110-01-446-6655 is a Bearing,roller,needle, manufactured by Sae International Dba Sae International, classified under FSC 3110 (No Item Name Available). Status: active.
NSN 3110-01-446-6655 has 6 cross-referenced part numbers: MS21442-481 (Society of Automotive Engineers Inc), 803-6397359 REV A PC. NO. 6 (Naval Sea Systems Command), AS21442 (Sae International Dba Sae International), MS21442-481 (Sae International Dba Sae International), MS21442-481 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M) and 1 more.
There are 3 known substitutes for 3110-01-446-6655: 3110-01-144-1710, 3110-01-255-5040, 3110-01-444-9681. Verify interchangeability with system specifications before substitution.
Key specifications for MS21442-481: Overall Outside Diameter: 3.0000 INCHES NOMINAL IN; Material: STEEL ROLLER; Lubrication Material: GREASE; Seal Quantity: 2. 21 total characteristics are documented in the Federal Logistics Information System.