The Bearing,sleeve, cataloged under National Stock Number 3120-01-289-8883, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Altra Industrial Motion Corp.. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3120-01-289-8883 |
| Primary Part Number | M4450-48 |
| Item Name | Bearing,sleeve |
| FSC / FSG | 3120 / 31 — No Item Name Available |
| Manufacturer | Altra Industrial Motion Corp. |
| Status | ACTIVE |
| Body Outside Diameter | 3.1280 INCHES MINIMUM AND 3.1300 INCHES MAXIMUM IN |
| Material | COPPER ALLOY 932 OVERALL |
| Body Inside Diameter | 2.7490 INCHES MINIMUM AND 2.7510 INCHES MAXIMUM IN |
| Style Designator | SOLID, PLAIN, NO OUTSIDE FLANGES |
| Material | OIL LUBRICATING LUBRICATION |
| Corner Shape | SQUARE ALL CORNERS |
| Material Document and Classification | ASTM B584 ASSN STD SINGLE MATERIAL RESPONSE OR SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 31036-43043 | Textron Systems Corporation Dba Textron Systems Corp (USA) |
| 32904 | Altra Industrial Motion Corp. (USA) |
| M4450-48 PRIMARY | Altra Industrial Motion Corp. (USA) |
NSN 3120-01-289-8883 is a Bearing,sleeve, manufactured by Altra Industrial Motion Corp., classified under FSC 3120 (No Item Name Available). Status: active.
NSN 3120-01-289-8883 has 3 cross-referenced part numbers: 31036-43043 (Textron Systems Corporation Dba Textron Systems Corp), 32904 (Altra Industrial Motion Corp.), M4450-48 (Altra Industrial Motion Corp.).
There are 5 known substitutes for 3120-01-289-8883: 5940-00-892-7874, 5365-00-961-4542, 1680-01-056-0724 and 2 more. Verify interchangeability with system specifications before substitution.
Key specifications for M4450-48: Body Outside Diameter: 3.1280 INCHES MINIMUM AND 3.1300 INCHES MAXIMUM IN; Material: COPPER ALLOY 932 OVERALL; Body Inside Diameter: 2.7490 INCHES MINIMUM AND 2.7510 INCHES MAXIMUM IN; Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES. 8 total characteristics are documented in the Federal Logistics Information System.