The Housing,bearing Unit, cataloged under National Stock Number 3130-01-138-7601, is classified within Federal Supply Class 3130 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Tennant Company. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3130-01-138-7601 |
| Primary Part Number | 51449 |
| Item Name | Housing,bearing Unit |
| FSC / FSG | 3130 / 31 — No Item Name Available |
| Manufacturer | Tennant Company |
| Status | ACTIVE |
| Mounting Hole Width | 0.406 INCHES NOMINAL IN |
| Housing Height | 3.688 INCHES NOMINAL IN |
| Bore Diameter | 2.4409 INCHES NOMINAL IN |
| Style Designator | FLANGE BLOCK |
| Material | STEEL OVERALL |
| Surface Treatment | ZINC OVERALL |
| Assembly Overall Length | 0.630 INCHES NOMINAL IN |
| Flange Thickness | 0.208 INCHES NOMINAL IN |
| Shaft End Type | OPEN |
| Height From Bottom of Base to Bore Centerline | 1.500 INCHES NOMINAL IN |
| Mounting Hole Type | SQUARE |
| Housing Length | 0.630 INCHES NOMINAL IN |
| Bolt Circle Diameter | 3.563 INCHES NOMINAL IN |
| Overall Outside Diameter | 3.563 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 3130-01-138-7601 is a Housing,bearing Unit, manufactured by Tennant Company, classified under FSC 3130 (No Item Name Available). Status: active.
NSN 3130-01-138-7601 has 2 cross-referenced part numbers: 51449 (Tennant Company), 62MSTRZP (Timken Co Div the Timken Company).
There are 4 known substitutes for 3130-01-138-7601: 5325-00-064-7554, 5950-00-136-6996, 6160-00-635-1398 and 1 more. Verify interchangeability with system specifications before substitution.
Key specifications for 51449: Mounting Hole Width: 0.406 INCHES NOMINAL IN; Housing Height: 3.688 INCHES NOMINAL IN; Bore Diameter: 2.4409 INCHES NOMINAL IN; Style Designator: FLANGE BLOCK. 14 total characteristics are documented in the Federal Logistics Information System.