The Bearing,sleeve, cataloged under National Stock Number 3120-00-293-5497, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is The Boeing Company Div Legacy Am&m. Government technical data includes 10 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. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3120-00-293-5497 |
| Primary Part Number | 4B21S6-013 |
| Item Name | Bearing,sleeve |
| FSC / FSG | 3120 / 31 — No Item Name Available |
| Manufacturer | The Boeing Company Div Legacy Am&m |
| Status | ACTIVE |
| Body Inside Diameter | 0.3745 INCHES MINIMUM AND 0.3755 INCHES MAXIMUM IN |
| Body Outside Diameter | 0.4980 INCHES MINIMUM AND 0.4985 INCHES MAXIMUM IN |
| Surface Finish | 125.0 MICROINCHES LEFT END SURFACE OF BODY |
| Surface Finish | 125.0 MICROINCHES RIGHT END SURFACE OF BODY |
| Style Designator | SOLID, PLAIN, NO OUTSIDE FLANGES |
| Surface Finish | 16.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY |
| Corner Shape | SQUARE ALL CORNERS |
| Surface Treatment | CHROMIUM OUTSIDE DIAMETER SURFACE OF BODY |
| Material | STEEL OVERALL |
| Surface Finish | 250.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 7426 | Master Machine Products Corp (USA) |
| 4B21S6-013 PRIMARY | The Boeing Company Div Legacy Am&m (USA) |
NSN 3120-00-293-5497 is a Bearing,sleeve, manufactured by The Boeing Company Div Legacy Am&m, classified under FSC 3120 (No Item Name Available). Status: active.
NSN 3120-00-293-5497 has 2 cross-referenced part numbers: 7426 (Master Machine Products Corp), 4B21S6-013 (The Boeing Company Div Legacy Am&m).
There are 11 known substitutes for 3120-00-293-5497: 2815-00-393-5500, 5330-00-630-3315, 5340-00-680-4402 and 8 more. Verify interchangeability with system specifications before substitution.
Key specifications for 4B21S6-013: Body Inside Diameter: 0.3745 INCHES MINIMUM AND 0.3755 INCHES MAXIMUM IN; Body Outside Diameter: 0.4980 INCHES MINIMUM AND 0.4985 INCHES MAXIMUM IN; Surface Finish: 125.0 MICROINCHES LEFT END SURFACE OF BODY; Surface Finish: 125.0 MICROINCHES RIGHT END SURFACE OF BODY. 11 total characteristics are documented in the Federal Logistics Information System.