The Bushing,sleeve, cataloged under National Stock Number 3120-00-780-9883, is classified within Federal Supply Class 3120 (Bearings, Plain, Unmounted) of the Bearings group. The manufacturer of record is Mayday Manufacturing Co.. Government technical data includes 12 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3120-00-780-9883 |
| Primary Part Number | 756220-109 |
| Item Name | Bushing,sleeve |
| FSC / FSG | 3120 / 31 — Bearings, Plain, Unmounted |
| Manufacturer | Mayday Manufacturing Co. |
| Status | ACTIVE |
| Surface Finish | 125.0 MICROINCHES INTERMEDIATE LAYER |
| Corner Shape | SQUARE INSIDE RIGHT CORNER |
| Corner Shape | SQUARE LEFT FLANGE BODY CORNER |
| Corner Shape | SQUARE OUTSIDE RIGHT CORNER |
| Corner Shape | SQUARE OUTSIDE LEFT CORNER |
| Corner Shape | SQUARE LEFT FLANGE OUTSIDE RIGHT CORNER |
| Corner Shape | SQUARE INSIDE LEFT CORNER |
| Flange Outside Diameter | 0.4900 INCHES MINIMUM AND 0.5100 INCHES MAXIMUM IN |
| Body Outside Diameter | 0.3720 INCHES MINIMUM AND 0.3730 INCHES MAXIMUM IN |
| Style Designator | SOLID, EXTERNAL FLANGE ONE END |
| Body Inside Diameter | 0.2510 INCHES MINIMUM AND 0.2590 INCHES MAXIMUM IN |
| Flange Width | 0.0620 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 756220-109 | Mayday Manufacturing Co. (USA) |
| 756220-109 | Inspirnetics, Inc (USA) |
| Reference | Meaning |
|---|---|
| 756220-109 | 5/9 Secondary reference Beta Corp |
| 756220-109 | C/1 Advisory reference — outside the item-of-supply concept A and M Aerospace, Inc. |
| 756220-109 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3120-00-780-9883 is a Bushing,sleeve, manufactured by Mayday Manufacturing Co., classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
NSN 3120-00-780-9883 has 2 manufacturer part numbers on file: 756220-109 (Mayday Manufacturing Co.), 756220-109 (Inspirnetics, Inc).
Key specifications for 756220-109: Surface Finish: 125.0 MICROINCHES INTERMEDIATE LAYER; Corner Shape: SQUARE INSIDE RIGHT CORNER; Corner Shape: SQUARE LEFT FLANGE BODY CORNER; Corner Shape: SQUARE OUTSIDE RIGHT CORNER. 12 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.