The Bearing,ball,airframe, cataloged under National Stock Number 3110-00-030-3381, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is The Boeing Company Div Defense. Government technical data includes 21 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 11 commercial cross-references from 9 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 3110-00-030-3381 |
| Primary Part Number | AS27641-4 |
| Item Name | Bearing,ball,airframe |
| FSC / FSG | 3110 / 31 — No Item Name Available |
| Manufacturer | The Boeing Company Div Defense |
| Status | CANCELLED |
| Inner Ring Width | 0.2810 INCHES NOMINAL IN |
| Bearing Seal Type | CONTACT |
| Lubrication Material Document and Classification | MIL-G-81322 MIL SPEC SINGLE MATERIAL RESPONSE |
| Standard Tolerance Designation | AFBMA STD TOLERANCE FOR AIRFRAME BALL BEARINGS |
| Outer Ring Width | 0.2190 INCHES NOMINAL IN |
| Seal Quantity | 2 |
| Load Direction | RADIAL |
| Material Document and Classification | 66 FED STD ALL MATERIAL RESPONSES BALL |
| Material | STEEL COMP E51100 OR STEEL COMP E52100 BALL |
| Surface Treatment | CADMIUM EXPOSED SURFACES AS MOUNTED |
| Style Designator | SINGLE ROW INNER RING EXTENDED BOTH SIDES |
| Surface Treatment Document and Classification | QQ-P-416,TY 1,CL 2 FED SPEC SINGLE TREATMENT RESPONSE EXPOSED SURFACES AS MOUNTED |
| Material Document and Classification | AMS 3652 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 3666 ASSN STD SINGLE MATERIAL RESPONSE SEAL |
| Material | STEEL COMP E52100 OUTER RING |
| Material | STEEL CORROSION RESISTING RETAINER |
| Overall Outside Diameter | 0.7500 INCHES NOMINAL IN |
| Material Document and Classification | 66 FED STD SINGLE MATERIAL RESPONSE OUTER RING |
| Material Document and Classification | 66 FED STD SINGLE MATERIAL RESPONSE INNER RING |
| Material | PLASTIC POLYTETRAFLUOROETHYLENE SEAL |
| Material | STEEL COMP E52100 INNER RING |
| Bore Diameter | 0.2500 INCHES NOMINAL IN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| AS27641 | Sae International Dba Sae International (USA) |
| 940.83.08.602 | Pilatus Aircraft Ltd (CHE) |
| MS27641-4 | Society of Automotive Engineers Inc (USA) |
| 2910053 | Embraer Empresa Brasileira De Aeronautica Sa (BRA) |
| 3110PL0138806 | Jednolity Indeks Materialowy - Uniform Material Index (POL) |
| 2910053 | Embraer Aviation International (FRA) |
| AS27641-4 PRIMARY | The Boeing Company Div Defense (USA) |
| MS27641-4 | The Boeing Company (USA) |
| MS27641-4 PRIMARY | Sae International Dba Sae International (USA) |
| 2910053 | Embraer S.a. (BRA) |
| AS27641 | Society of Automotive Engineers Inc (USA) |
NSN 3110-00-030-3381 is a Bearing,ball,airframe, manufactured by The Boeing Company Div Defense, classified under FSC 3110 (No Item Name Available). Status: cancelled.
NSN 3110-00-030-3381 has 11 cross-referenced part numbers: AS27641 (Sae International Dba Sae International), 940.83.08.602 (Pilatus Aircraft Ltd), MS27641-4 (Society of Automotive Engineers Inc), 2910053 (Embraer Empresa Brasileira De Aeronautica Sa), 3110PL0138806 (Jednolity Indeks Materialowy - Uniform Material Index) and 6 more.
There are 12 known substitutes for 3110-00-030-3381: 3110-00-001-1938, 3110-00-027-4028, 3110-00-027-7423 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for AS27641-4: Inner Ring Width: 0.2810 INCHES NOMINAL IN; Special Features: 80 PCT FULL OF MIL-G-81322 ALSO INTERNAL RADIAL CLEARANCE 0.0004-0.0010 IN. ALSO HEAT TREAT RINGS AND BALLS TO ROCKWELL C60 TO C66 AND STABILIZED FOR OPERATION AT 250 DEG F ALSO RADIAL AND LATERAL ECCENTRICITY INNER RING 0.0010 IN. OUTER RING 0.0016 IN. IN; Bearing Seal Type: CONTACT; Lubrication Material Document and Classification: MIL-G-81322 MIL SPEC SINGLE MATERIAL RESPONSE. 22 total characteristics are documented in the Federal Logistics Information System.
NSN 3110-00-030-3381 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.