The Bearing,ball,annular, cataloged under National Stock Number 3110-00-445-9973, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is New Hampshire Ball Bearings Inc Div Hitech Division. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 3110-00-445-9973 |
| Primary Part Number | SR144PPK28 |
| Item Name | Bearing,ball,annular |
| FSC / FSG | 3110 / 31 — No Item Name Available |
| Manufacturer | New Hampshire Ball Bearings Inc Div Hitech Division |
| Status | CANCELLED |
| Standard Tolerance Designation | ABEC NO.5 |
| Load Direction | RADIAL |
| Retainer Fabrication Method | PRESSED |
| Internal Clearance | 0.0002 INCHES MINIMUM RADIAL AND 0.0008 INCHES MAXIMUM RADIAL IN |
| Bore Shape | STRAIGHT |
| Lubrication Material | OIL |
| Shield Quantity | 2 |
| Surface Finish | GROUND |
| Lubrication Material Document and Classification | MIL-L-6085 MIL SPEC SINGLE MATERIAL RESPONSE |
| Style Designator | NON-LOADING GROOVE, NON-SEPARABLE |
| Material | STEEL CORROSION RESISTING OVERALL |
| Overall Outside Diameter | 0.2500 INCHES NOMINAL IN |
| Bore Diameter | 0.1250 INCHES NOMINAL IN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| SR144PPK28 PRIMARY | New Hampshire Ball Bearings Inc Div Hitech Division (USA) |
| 309-0635-000 PRIMARY | Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA) |
| SR144PPK28-7 PRIMARY | New Hampshire Ball Bearings Inc Div Hitech Division (USA) |
| 80472-006 PRIMARY | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA) |
| SE08162ZJE5CJDE | Reed Instrument Bearing Co (USA) |
| 184-901 PRIMARY | Cmc Electronics Inc (CAN) |
| SS418CHHP28L01 PRIMARY | Mpb Corp Div Timken Super Precision (USA) |
| 77M0816ZL5J | General Motors Corp Delco Moraine Ndh Div (USA) |
| 77M0816ZL5J | General Motors Corp (USA) |
NSN 3110-00-445-9973 is a Bearing,ball,annular, manufactured by New Hampshire Ball Bearings Inc Div Hitech Division, classified under FSC 3110 (No Item Name Available). Status: cancelled.
NSN 3110-00-445-9973 has 9 cross-referenced part numbers: SR144PPK28 (New Hampshire Ball Bearings Inc Div Hitech Division), 309-0635-000 (Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems), SR144PPK28-7 (New Hampshire Ball Bearings Inc Div Hitech Division), 80472-006 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp), SE08162ZJE5CJDE (Reed Instrument Bearing Co) and 4 more.
There are 5 known substitutes for 3110-00-445-9973: 5315-00-579-2554, 4820-00-871-6141, 1075-01-231-4620 and 2 more. Verify interchangeability with system specifications before substitution.
Key specifications for SR144PPK28: Standard Tolerance Designation: ABEC NO.5; Load Direction: RADIAL; Retainer Fabrication Method: PRESSED; Internal Clearance: 0.0002 INCHES MINIMUM RADIAL AND 0.0008 INCHES MAXIMUM RADIAL IN. 14 total characteristics are documented in the Federal Logistics Information System.
NSN 3110-00-445-9973 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.