The Bearing,ball,airframe, cataloged under National Stock Number 3110-00-027-7423, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Naval Sea Systems Command. Government technical data includes 21 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 20 commercial cross-references from 11 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 | 3110-00-027-7423 |
| Primary Part Number | 561-6404325-31 |
| Item Name | Bearing,ball,airframe |
| FSC / FSG | 3110 / 31 — No Item Name Available |
| Manufacturer | Naval Sea Systems Command |
| Status | CANCELLED |
| Outer Ring Width | 0.3750 INCHES NOMINAL IN |
| Load Direction | RADIAL |
| Inner Ring Width | 0.4370 INCHES NOMINAL IN |
| Seal Quantity | 2 |
| Bearing Seal Type | CONTACT |
| Standard Tolerance Designation | AFBMA STD TOLERANCE FOR AIRFRAME BALL BEARINGS |
| Lubrication Material Document and Classification | MIL-G-81322 MIL SPEC SINGLE MATERIAL RESPONSE |
| Material | STEEL COMP E51100 OR STEEL COMP E52100 BALL |
| Material Document and Classification | 66 FED STD SINGLE MATERIAL RESPONSE INNER RING |
| Material Document and Classification | AMS 3652 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 3666 ASSN STD SINGLE MATERIAL RESPONSE SEAL |
| Material | STEEL CORROSION RESISTING RETAINER |
| Surface Treatment | CADMIUM EXPOSED SURFACES AS MOUNTED |
| Material | PLASTIC POLYTETRAFLUOROETHYLENE SEAL |
| Material Document and Classification | 66 FED STD SINGLE MATERIAL RESPONSE OUTER RING |
| Material | STEEL COMP E52100 INNER RING |
| Material | STEEL COMP E52100 OUTER RING |
| Material Document and Classification | 66 FED STD ALL MATERIAL RESPONSES BALL |
| Surface Treatment Document and Classification | QQ-P-416,TY 1,CL 2 FED SPEC SINGLE TREATMENT RESPONSE EXPOSED SURFACES AS MOUNTED |
| Bore Diameter | 0.7500 INCHES NOMINAL IN |
| Style Designator | SINGLE ROW INNER RING EXTENDED BOTH SIDES |
| Overall Outside Diameter | 1.6250 INCHES NOMINAL IN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 561-6404325-31 | Naval Sea Systems Command (USA) |
| MS27641-12 | Society of Automotive Engineers Inc (USA) |
| AS7949 | Society of Automotive Engineers Inc (USA) |
| AS27641 | Society of Automotive Engineers Inc (USA) |
| KP12A | Skf Usa Inc. (USA) |
| MS27641-12 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| MS27641KP12A | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| MS27641+12A | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| KP12AFS464 | Timken Co Div the Timken Company (USA) |
| 3110PL1014822 | Jednolity Indeks Materialowy - Uniform Material Index (POL) |
| MS27641-12 | Embraer S.a. (BRA) |
| MS20201KP12A | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| MS20201KP12 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| AN201KP12A | Joint Aircraft Committee (USA) |
| 121-63852-12 | Moog Inc (USA) |
| 211051803 | Naval Sea Systems Command (USA) |
| X110387 | Rockwell Automation, Inc. Dba Rockwell Automation (USA) |
| MKP12AFS464 | Timken Co Div the Timken Company (USA) |
| KRP12A | Kamatics Corporation (USA) |
| 3110PL0928054 | Jednolity Indeks Materialowy - Uniform Material Index (POL) |
NSN 3110-00-027-7423 is a Bearing,ball,airframe, manufactured by Naval Sea Systems Command, classified under FSC 3110 (No Item Name Available). Status: cancelled.
NSN 3110-00-027-7423 has 20 cross-referenced part numbers: 561-6404325-31 (Naval Sea Systems Command), MS27641-12 (Society of Automotive Engineers Inc), AS7949 (Society of Automotive Engineers Inc), AS27641 (Society of Automotive Engineers Inc), KP12A (Skf Usa Inc.) and 15 more.
There are 12 known substitutes for 3110-00-027-7423: 3110-00-001-1938, 3110-00-027-4028, 3110-00-027-8142 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 561-6404325-31: Special Features: 80 PCT. FULL OF MIL-G-81322,INTERNAL RADIAL CLEARANCE 0.0004- 0.0010 IN.,HEAT TREAT RINGS AND BALLS TO ROCKWELL C 60 TO 66 AND STABILIZED FOR OPERATION AT 250 DEG. F,RADIAL AND LATERAL ECCENTRICITY INNER RING 0.0010 IN. OUTER RING 0.0016 IN. IN; Outer Ring Width: 0.3750 INCHES NOMINAL IN; Load Direction: RADIAL; Inner Ring Width: 0.4370 INCHES NOMINAL IN. 22 total characteristics are documented in the Federal Logistics Information System.
NSN 3110-00-027-7423 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.