The Bearing,ball,annular, cataloged under National Stock Number 3110-00-987-3744, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is N T N Bearing Corp of America. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 31 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: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-00-987-3744 |
| Primary Part Number | MILB17931C |
| Item Name | Bearing,ball,annular |
| FSC / FSG | 3110 / 31 — No Item Name Available |
| Manufacturer | N T N Bearing Corp of America |
| Status | ACTIVE |
| Overall Outside Diameter | 7.8737 INCHES MINIMUM AND 7.8740 INCHES MAXIMUM IN |
| Nondefinitive Spec/std Data | 111 TYPE AND 1 CLASS |
| Lubrication Material | GREASE |
| Bore Shape | STRAIGHT |
| Surface Finish | GROUND |
| Criticality Code Justification | ZZZW |
| Internal Clearance | 0.0009 INCHES MINIMUM RADIAL AND 0.00014 INCHES MAXIMUM RADIAL IN |
| Lubrication Material Document and Classification | MIL-G-18709 MIL SPEC SINGLE MATERIAL RESPONSE |
| Internal Fit-Up Designation | TIGHT |
| Load Direction | RADIAL |
| Retainer Fabrication Method | PRESSED |
| Style Designator | NON-LOADING GROOVE, NON-SEPARABLE |
| Departure From Cited Document | ANNUAL BALL BEARING FOR QUIET OPERATION APPLICATION TO SUBMARINE USAGE |
| Material | STEEL OVERALL |
| Bore Diameter | 3.7399 INCHES MINIMUM AND 3.7402 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| MILB17931C | N T N Bearing Corp of America (USA) |
| 319ABEC5NT | Naval Inventory Control Point Mechanicsburg (USA) |
| 6319W1B | Skf Usa Inc. (USA) |
| 3319-7077 | General Motors Corp Delco Moraine Ndh Div (USA) |
| 999999K167NT | Naval Inventory Control Point Mechanicsburg (USA) |
| 6319E100NT | Naval Inventory Control Point Mechanicsburg (USA) |
| 79999062 | Electric Boat Corp Dba Electro Dynamic (USA) |
| D-800-145ITEM33 | Hansome Energy Systems Inc (USA) |
| 6319E100 | Nsk Corp Bearing Div (USA) |
| D-800-145ITEM33NT | Naval Inventory Control Point Mechanicsburg (USA) |
| 6319W1BNT | Naval Inventory Control Point Mechanicsburg (USA) |
| 79999086 | Electric Boat Corp Dba Electro Dynamic (USA) |
| 79999062NT | Naval Inventory Control Point Mechanicsburg (USA) |
| MIL-B-17931 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| 319SNT3NT | Naval Inventory Control Point Mechanicsburg (USA) |
| 319NT3NT | Naval Inventory Control Point Mechanicsburg (USA) |
| SL10675PC25 | Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA) |
| SL10675PC25NT | Naval Inventory Control Point Mechanicsburg (USA) |
| RW135276PC25 | Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA) |
| 319S1XT3NT | Naval Inventory Control Point Mechanicsburg (USA) |
NSN 3110-00-987-3744 is a Bearing,ball,annular, manufactured by N T N Bearing Corp of America, classified under FSC 3110 (No Item Name Available). Status: active.
NSN 3110-00-987-3744 has 31 cross-referenced part numbers: MILB17931C (N T N Bearing Corp of America), 319ABEC5NT (Naval Inventory Control Point Mechanicsburg), 6319W1B (Skf Usa Inc.), 3319-7077 (General Motors Corp Delco Moraine Ndh Div), 999999K167NT (Naval Inventory Control Point Mechanicsburg) and 26 more.
There are 12 known substitutes for 3110-00-987-3744: 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 MILB17931C: Overall Outside Diameter: 7.8737 INCHES MINIMUM AND 7.8740 INCHES MAXIMUM IN; Nondefinitive Spec/std Data: 111 TYPE AND 1 CLASS; Lubrication Material: GREASE; Bore Shape: STRAIGHT. 16 total characteristics are documented in the Federal Logistics Information System.