The Bearing Half,sleeve, cataloged under National Stock Number 3120-00-571-1100, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Wisconsin Motors, Llc. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 13 commercial cross-references from 10 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 3120-00-571-1100 |
| Primary Part Number | HA121 |
| Item Name | Bearing Half,sleeve |
| FSC / FSG | 3120 / 31 — No Item Name Available |
| Manufacturer | Wisconsin Motors, Llc |
| Status | CANCELLED |
| Hole Diameter | 0.1970 INCHES MAXIMUM SECOND IN |
| Antirotation/lubrication Type and Quantity | 1 HOLE |
| Surface Treatment | TIN OVERALL |
| Locking Lug Height | 0.0310 INCHES MINIMUM AND 0.0410 INCHES MAXIMUM IN |
| Corner Shape | SQUARE ALL CORNERS |
| Body Inside Diameter | 1.8119 INCHES MINIMUM AND 1.8129 INCHES MAXIMUM IN |
| Distance From Centerline of Opening to Left End of Bearing | 0.4900 INCHES MINIMUM FIRST IN |
| Locking Lug Length | 0.1900 INCHES MINIMUM AND 0.2200 INCHES MAXIMUM IN |
| Locking Lug Width | 0.1500 INCHES MINIMUM AND 0.1550 INCHES MAXIMUM IN |
| Distance From Centerline of Opening to Left End of Bearing | 0.5100 INCHES MAXIMUM SECOND IN |
| Style Designator | HALF SLEEVE, PLAIN, NO OUTSIDE FLANGES |
| Distance From Lug End to End of Bearing | 0.2300 INCHES MINIMUM AND 0.2375 INCHES MAXIMUM IN |
| Hole Diameter | 0.1770 INCHES MINIMUM FIRST IN |
| Body Outside Diameter | 1.9375 INCHES NOMINAL IN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| HA121 | Wisconsin Motors, Llc (USA) |
| 9999 | Mars Industries Inc (USA) |
| 220295B | Hercules Engine Co Inc (USA) |
| 220292B | Brinkley Technology Group Llc Dba Hercules Manufacturing (USA) |
| 41100H11 | Aeroil Products Co Inc (USA) |
| 220292B | Hercules Engine Co Inc (USA) |
| MS13995-1 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| JHP110-106 | Hollingsworth John R Co (USA) |
| 9999 | Lowndes Engineering Co Inc (USA) |
| 68210 | Dresser, Llc (USA) |
| 220295B | Brinkley Technology Group Llc Dba Hercules Manufacturing (USA) |
| CFR40107 | Curtis Dyna-Fog, Ltd. (USA) |
| HA121S | Wisconsin Motors, Llc (USA) |
NSN 3120-00-571-1100 is a Bearing Half,sleeve, manufactured by Wisconsin Motors, Llc, classified under FSC 3120 (No Item Name Available). Status: cancelled.
NSN 3120-00-571-1100 has 13 cross-referenced part numbers: HA121 (Wisconsin Motors, Llc), 9999 (Mars Industries Inc), 220295B (Hercules Engine Co Inc), 220292B (Brinkley Technology Group Llc Dba Hercules Manufacturing), 41100H11 (Aeroil Products Co Inc) and 8 more.
There are 11 known substitutes for 3120-00-571-1100: 5330-00-328-8656, 5985-00-469-3874, 8115-00-559-9999 and 8 more. Verify interchangeability with system specifications before substitution.
Key specifications for HA121: Hole Diameter: 0.1970 INCHES MAXIMUM SECOND IN; Antirotation/lubrication Type and Quantity: 1 HOLE; Surface Treatment: TIN OVERALL; Locking Lug Height: 0.0310 INCHES MINIMUM AND 0.0410 INCHES MAXIMUM IN. 14 total characteristics are documented in the Federal Logistics Information System.
NSN 3120-00-571-1100 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.