The Bushing,sleeve, cataloged under National Stock Number 3120-01-188-6901, is classified within Federal Supply Class 3120 (Bearings, Plain, Unmounted) of the Bearings group. The manufacturer of record is Eaton Aerospace Llc Dba Eaton Inoac Div Fuel & Motion Control Systems Division. Government technical data includes 9 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3120-01-188-6901 |
| Primary Part Number | 363B159-1 |
| Item Name | Bushing,sleeve |
| FSC / FSG | 3120 / 31 — Bearings, Plain, Unmounted |
| Manufacturer | Eaton Aerospace Llc Dba Eaton Inoac Div Fuel & Motion Control Systems Division |
| Status | ACTIVE |
| Surface Finish | 32.0 MICROINCHES LEFT END SURFACE OF BODY AND FLANGE |
| Surface Finish | 32.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY |
| Corner Shape | SQUARE ALL CORNERS |
| Flange Outside Diameter | 0.6900 INCHES NOMINAL IN |
| Body Outside Diameter | 0.5001 INCHES MINIMUM AND 0.5006 INCHES MAXIMUM IN |
| Style Designator | SOLID, EXTERNAL FLANGE ONE END |
| Body Inside Diameter | 0.3750 INCHES MINIMUM AND 0.3754 INCHES MAXIMUM IN |
| Flange Width | 0.0590 INCHES MINIMUM AND 0.0620 INCHES MAXIMUM IN |
| Material | COPPER ALLOY 630 OVERALL |
| 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 |
|---|---|
| 363B159-1 PRIMARY | Eaton Aerospace Llc Dba Eaton Inoac Div Fuel & Motion Control Systems Division (USA) |
| Reference | Meaning |
|---|---|
| 363B159-1 | 5/9 Secondary reference Eaton Motor Site |
NSN 3120-01-188-6901 is a Bushing,sleeve, manufactured by Eaton Aerospace Llc Dba Eaton Inoac Div Fuel & Motion Control Systems Division, classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
NSN 3120-01-188-6901 has 1 manufacturer part number on file: 363B159-1 (Eaton Aerospace Llc Dba Eaton Inoac Div Fuel & Motion Control Systems Division).
Key specifications for 363B159-1: Surface Finish: 32.0 MICROINCHES LEFT END SURFACE OF BODY AND FLANGE; Surface Finish: 32.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY; Corner Shape: SQUARE ALL CORNERS; Flange Outside Diameter: 0.6900 INCHES NOMINAL IN. 9 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.