The Bearing Half,sleeve, cataloged under National Stock Number 3120-00-147-9649, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Itt Aerospace Controls Llc Dba Itt Aerospace Controls Unit S. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3120-00-147-9649 |
| Primary Part Number | 321945 |
| Item Name | Bearing Half,sleeve |
| FSC / FSG | 3120 / 31 — No Item Name Available |
| Manufacturer | Itt Aerospace Controls Llc Dba Itt Aerospace Controls Unit S |
| Status | ACTIVE |
| Style Designator | SEGMENTED, PLAIN, NO OUTSIDE FLANGES |
| Hole Diameter | 0.3437 INCHES NOMINAL FIRST IN |
| Corner Shape | SQUARE OUTSIDE RIGHT CORNER |
| Corner Shape | CHAMFERED INSIDE LEFT CORNER |
| Lubricant Accommodation Style | GROOVED CLOSED BOTH ENDS |
| Body Inside Diameter | 3.5007 INCHES NOMINAL IN |
| Body Outside Diameter | 3.7500 INCHES MINIMUM AND 3.7502 INCHES MAXIMUM IN |
| Antirotation/lubrication Type and Quantity | 1 HOLE |
| Corner Shape | CHAMFERED INSIDE RIGHT CORNER |
| Material | STEEL OUTER LAYER |
| Corner Shape | SQUARE OUTSIDE LEFT CORNER |
| Surface Groove Location and Quantity | 2 INTERNAL |
| Material | COPPER ALLOY INNER LAYER |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 321945 PRIMARY | Itt Aerospace Controls Llc Dba Itt Aerospace Controls Unit S (USA) |
| 317776 PRIMARY | Brinkley Technology Group Llc Dba Hercules Manufacturing (USA) |
| 321945 PRIMARY | Brinkley Technology Group Llc Dba Hercules Manufacturing (USA) |
| 321945 | Hercules Engine Co Inc (USA) |
| 317776 | Hercules Engine Co Inc (USA) |
NSN 3120-00-147-9649 is a Bearing Half,sleeve, manufactured by Itt Aerospace Controls Llc Dba Itt Aerospace Controls Unit S, classified under FSC 3120 (No Item Name Available). Status: active.
NSN 3120-00-147-9649 has 5 cross-referenced part numbers: 321945 (Itt Aerospace Controls Llc Dba Itt Aerospace Controls Unit S), 317776 (Brinkley Technology Group Llc Dba Hercules Manufacturing), 321945 (Brinkley Technology Group Llc Dba Hercules Manufacturing), 321945 (Hercules Engine Co Inc), 317776 (Hercules Engine Co Inc).
There is 1 known substitute for 3120-00-147-9649: 5330-00-420-9762. Verify interchangeability with system specifications before substitution.
Key specifications for 321945: Style Designator: SEGMENTED, PLAIN, NO OUTSIDE FLANGES; Hole Diameter: 0.3437 INCHES NOMINAL FIRST IN; Corner Shape: SQUARE OUTSIDE RIGHT CORNER; Special Features: ANTIROTATION HOLE TO BE DRILL THRU 0.377 MIN,0.378 IN. MAX DIA,REAM 0.1875 IN. DEEP,0.0156 IN. BY 45 DEGREES CHAMFER ON CENTERLINE OF SHELL,BEARING SURFACE TO BE INDIUM COATED IN. 15 total characteristics are documented in the Federal Logistics Information System.