The Bearing,ball,duplex, cataloged under National Stock Number 3110-00-976-9738, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Naval Inventory Control Point Mechanicsburg. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 18 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 3110-00-976-9738 |
| Primary Part Number | 7309DBNT |
| Item Name | Bearing,ball,duplex |
| FSC / FSG | 3110 / 31 — No Item Name Available |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | CANCELLED |
| Surface Finish | GROUND |
| Material | STEEL OVERALL |
| Departure From Cited Document | ANNUAL BALL BEARING FOR QUIET OPERATION APPLICATION TO SUBMARINE USAGE |
| Material | GREASE LUBRICATION |
| Style Designator | COUNTERBORED OUTER RINGS, NON-SEPARABLE, BACK TO BACK MOUNTING |
| Lubrication Material Document and Classification | MIL-G-18709 MIL SPEC SINGLE MATERIAL RESPONSE |
| Internal Fit-Up Designation | STANDARD |
| Load Direction | ANGULAR |
| Bore Diameter | 1.7715 INCHES MINIMUM AND 1.7717 INCHES MAXIMUM IN |
| Overall Outside Diameter | 3.9368 INCHES MINIMUM AND 3.9370 INCHES MAXIMUM IN |
| Retainer Fabrication Method | PRESSED |
| Criticality Code Justification | ZZZW |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 7309DBNT | Naval Inventory Control Point Mechanicsburg (USA) |
| 79999017NT | Naval Inventory Control Point Mechanicsburg (USA) |
| 999999K044 | Naval Ship Systems Command (USA) |
| 999999K044NT | Naval Inventory Control Point Mechanicsburg (USA) |
| 3326-4 ITEM 34 | Electric Boat Corp Dba Electro Dynamic (USA) |
| 79999017 | Electric Boat Corp Dba Electro Dynamic (USA) |
| M17931-A015 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| M17931-A015 | Timken Co Div the Timken Company (USA) |
| M17931-A015NT | 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 |
| 7309DB | Skf Usa Inc. (USA) |
| 79999017 | Electric Boat Corporation Div General Dynamics Electric Boat (USA) |
| 79999111NT3 | Naval Inventory Control Point Mechanicsburg (USA) |
| M17931-A015 | Schaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation (USA) |
| 7309DSXX00X015B13DG655CNT | Naval Inventory Control Point Mechanicsburg (USA) |
| 3326-4 ITEM 34NT | Naval Inventory Control Point Mechanicsburg (USA) |
| MIL-B-17931NT | Naval Inventory Control Point Mechanicsburg (USA) |
| 7309DSXX00X015B13DG655C | Skf Usa Inc. (USA) |
NSN 3110-00-976-9738 is a Bearing,ball,duplex, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 3110 (No Item Name Available). Status: cancelled.
NSN 3110-00-976-9738 has 18 cross-referenced part numbers: 7309DBNT (Naval Inventory Control Point Mechanicsburg), 79999017NT (Naval Inventory Control Point Mechanicsburg), 999999K044 (Naval Ship Systems Command), 999999K044NT (Naval Inventory Control Point Mechanicsburg), 3326-4 ITEM 34 (Electric Boat Corp Dba Electro Dynamic) and 13 more.
There are 2 known substitutes for 3110-00-976-9738: 3110-00-156-8064, 3110-00-158-8298. Verify interchangeability with system specifications before substitution.
Key specifications for 7309DBNT: Surface Finish: GROUND; Material: STEEL OVERALL; Departure From Cited Document: ANNUAL BALL BEARING FOR QUIET OPERATION APPLICATION TO SUBMARINE USAGE; Material: GREASE LUBRICATION. 13 total characteristics are documented in the Federal Logistics Information System.
NSN 3110-00-976-9738 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.