The Bearing,ball,annular, cataloged under National Stock Number 3110-00-991-0936, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Schaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 13 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: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-00-991-0936 |
| Primary Part Number | M17931-C004 |
| Item Name | Bearing,ball,annular |
| FSC / FSG | 3110 / 31 — No Item Name Available |
| Manufacturer | Schaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation |
| Status | ACTIVE |
| Nondefinitive Spec/std Data | 120 TYPE |
| Departure From Cited Designator | TESTED FOR QUIET OPERATION APPLICABLE TO SUBMARINE USAGE |
| Bearing Seal Type | LIPS TURNED OUTWARDLY |
| Internal Fit-Up Designation | TIGHT |
| Surface Finish | GROUND |
| Internal Clearance | 0.0004 INCHES MINIMUM RADIAL AND 0.0008 INCHES MAXIMUM RADIAL IN |
| Lubrication Material | GREASE |
| Load Direction | RADIAL |
| Retainer Fabrication Method | PRESSED |
| Bore Shape | STRAIGHT |
| Lubrication Material Document and Classification | MIL-G-18709 MIL SPEC SINGLE MATERIAL RESPONSE |
| Style Designator | NON-LOADING GROOVE, NON-SEPARABLE |
| Material Document and Classification | 66 FED STD SINGLE MATERIAL RESPONSE BALL |
| 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 OVERALL |
| Overall Outside Diameter | 2.0470 INCHES MINIMUM AND 2.0472 INCHES MAXIMUM IN |
| Bore Diameter | 0.7872 INCHES MINIMUM AND 0.7884 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| M17931-C004 | Schaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation (USA) |
| MILB17931C | N T N Bearing Corp of America (USA) |
| 385P647G01 | Westinghouse Electric Corp Control Business Unit |
| 9304SSTAT58VA | Schaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation (USA) |
| 01-005248-302 | Western Sky Industries Inc Dba Electromech Techologies (USA) |
| 928J660PC4 | Westinghouse Electric Corp Control Business Unit |
| 120-02033-8816 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| MILB17931B | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| M17931-C004 | Timken Co Div the Timken Company (USA) |
| 928J657-4 | Westinghouse Electric Corp Control Business Unit |
| S385P647G01 | Westinghouse Electric Corp Control Business Unit |
| S3604E100 | Nsk Corp Bearing Div (USA) |
| 304SZZCNT3 | Skf Usa Inc. (USA) |
NSN 3110-00-991-0936 is a Bearing,ball,annular, manufactured by Schaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation, classified under FSC 3110 (No Item Name Available). Status: active.
NSN 3110-00-991-0936 has 13 cross-referenced part numbers: M17931-C004 (Schaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation), MILB17931C (N T N Bearing Corp of America), 385P647G01 (Westinghouse Electric Corp Control Business Unit), 9304SSTAT58VA (Schaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation), 01-005248-302 (Western Sky Industries Inc Dba Electromech Techologies) and 8 more.
There are 12 known substitutes for 3110-00-991-0936: 3110-00-922-8516, 3110-00-987-3720, 3110-00-987-3723 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for M17931-C004: Nondefinitive Spec/std Data: 120 TYPE; Departure From Cited Designator: TESTED FOR QUIET OPERATION APPLICABLE TO SUBMARINE USAGE; Bearing Seal Type: LIPS TURNED OUTWARDLY; Internal Fit-Up Designation: TIGHT. 19 total characteristics are documented in the Federal Logistics Information System.