The Bearing,sleeve, cataloged under National Stock Number 3120-00-339-3204, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Naval Ship Systems Command. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 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 | 3120-00-339-3204 |
| Primary Part Number | 21U1141PC4120 |
| Item Name | Bearing,sleeve |
| FSC / FSG | 3120 / 31 — No Item Name Available |
| Manufacturer | Naval Ship Systems Command |
| Status | ACTIVE |
| Material | RUBBER INNER LAYER |
| Body Outside Diameter | 4.0000 INCHES NOMINAL IN |
| Body Inside Diameter | 1.8125 INCHES NOMINAL IN |
| Flange Width | 0.3750 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 21U1141PC4120 | Naval Ship Systems Command (USA) |
| N14773PC4120 | Norfolk Naval Shipyard (USA) |
| 76B100 | Norfolk Naval Shipyard (USA) |
| 4120 | Norfolk Naval Shipyard (USA) |
NSN 3120-00-339-3204 is a Bearing,sleeve, manufactured by Naval Ship Systems Command, classified under FSC 3120 (No Item Name Available). Status: active.
NSN 3120-00-339-3204 has 4 cross-referenced part numbers: 21U1141PC4120 (Naval Ship Systems Command), N14773PC4120 (Norfolk Naval Shipyard), 76B100 (Norfolk Naval Shipyard), 4120 (Norfolk Naval Shipyard).
There are 12 known substitutes for 3120-00-339-3204: 5305-00-059-8235, 4730-00-072-6244, 4210-00-109-4314 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 21U1141PC4120: Overall Length: 6.3750 INCHES NOMINAL IN; Material: RUBBER INNER LAYER; Body Outside Diameter: 4.0000 INCHES NOMINAL IN; Body Inside Diameter: 1.8125 INCHES NOMINAL IN. 5 total characteristics are documented in the Federal Logistics Information System.