The Bearing,ball,airframe, cataloged under National Stock Number 3110-00-042-4571, 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 12 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 3110-00-042-4571 |
| Primary Part Number | MS27644-4 |
| Item Name | Bearing,ball,airframe |
| FSC / FSG | 3110 / 31 — No Item Name Available |
| Manufacturer | Sae International Dba Sae International |
| Status | CANCELLED |
| Outer Ring Width | 0.4910 INCHES NOMINAL IN |
| Load Direction | RADIAL |
| Seal Quantity | 2 |
| Lubrication Material Document and Classification | MIL-G-81322 MIL SPEC SINGLE MATERIAL RESPONSE |
| Inner Ring Width | 0.6200 INCHES NOMINAL IN |
| Material Document and Classification | 66 FED STD SINGLE MATERIAL RESPONSE INNER RING |
| Material Document and Classification | 66 FED STD SINGLE MATERIAL RESPONSE OUTER RING |
| Material | STEEL COMP E52100 OUTER RING |
| Material | STEEL CORROSION RESISTING RETAINER |
| Surface Treatment Document and Classification | QQ-P-416,TY 1,CL 2 FED SPEC SINGLE TREATMENT RESPONSE EXPOSED SURFACES AS MOUNTED |
| Style Designator | DOUBLE ROW |
| Material Document and Classification | 66 FED STD ALL MATERIAL RESPONSES BALL |
| Surface Treatment | CADMIUM EXPOSED SURFACES AS MOUNTED |
| Bearing Seal Type | CONTACT |
| Standard Tolerance Designation | AFBMA STD TOLERANCE FOR AIRFRAME BALL BEARINGS |
| Material | STEEL COMP E52100 INNER RING |
| Material | STEEL COMP E51100 OR STEEL COMP E52100 BALL |
| Overall Outside Diameter | 0.9014 INCHES NOMINAL IN |
| Material Document and Classification | AMS 3652 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 3666 ASSN STD SINGLE MATERIAL RESPONSE SEAL |
| Material | PLASTIC POLYTETRAFLUOROETHYLENE SEAL |
| Bore Diameter | 0.2500 INCHES NOMINAL IN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| AS27644 | Society of Automotive Engineers Inc (USA) |
| DPP4 FS464 | Timken Europa Sarl (FRA) |
| AS27644-4 | Society of Automotive Engineers Inc (USA) |
| DPP4FS464 | Timken Co Div the Timken Company (USA) |
| AN207DPP4 | Aeronautical Standards Group Dept of Navy and Air Force (USA) |
| DPP4 | Skf Usa Inc. (USA) |
| MS27644-4 PRIMARY | Sae International Dba Sae International (USA) |
| MS27644-4 | Society of Automotive Engineers Inc (USA) |
| MS27644-4 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| DPP4FS464 | Rbc Aircraft Products, Inc. (USA) |
| MS20207DPP4 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| AS27644 | Sae International Dba Sae International (USA) |
NSN 3110-00-042-4571 is a Bearing,ball,airframe, manufactured by Sae International Dba Sae International, classified under FSC 3110 (No Item Name Available). Status: cancelled.
NSN 3110-00-042-4571 has 12 cross-referenced part numbers: AS27644 (Society of Automotive Engineers Inc), DPP4 FS464 (Timken Europa Sarl), AS27644-4 (Society of Automotive Engineers Inc), DPP4FS464 (Timken Co Div the Timken Company), AN207DPP4 (Aeronautical Standards Group Dept of Navy and Air Force) and 7 more.
There are 4 known substitutes for 3110-00-042-4571: 3110-00-042-4532, 3110-00-042-4572, 3110-00-042-4575 and 1 more. Verify interchangeability with system specifications before substitution.
Key specifications for MS27644-4: Outer Ring Width: 0.4910 INCHES NOMINAL IN; Load Direction: RADIAL; Special Features: 80 PCT. FULL OF MIL-G-81322,AXIAL PLAY 0.006 IN.,HEAT TREAT RINGS AND BALLS TO ROCKWELL C 60 TO 66 AND STABILIZED FOR OPERATION AT 250 DEG F,RADIAL AND LATERAL ECCENTRICITY 0.0010 IN. INNER RING,0.0016 @IN. OUTER RING IN; Seal Quantity: 2. 22 total characteristics are documented in the Federal Logistics Information System.
NSN 3110-00-042-4571 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.