The Bushing,sleeve, cataloged under National Stock Number 3120-00-684-2183, is classified within Federal Supply Class 3120 (Bearings, Plain, Unmounted) of the Bearings group. Government technical data includes 9 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3120-00-684-2183 |
| Item Name | Bushing,sleeve |
| FSC / FSG | 3120 / 31 — Bearings, Plain, Unmounted |
| Status | ACTIVE |
| Surface Finish | 125.0 MICROINCHES INTERMEDIATE LAYER |
| Corner Shape | SQUARE ALL CORNERS |
| Body Outside Diameter | 0.5011 INCHES MINIMUM AND 0.5016 INCHES MAXIMUM IN |
| Style Designator | SOLID, PLAIN, NO OUTSIDE FLANGES |
| Body Inside Diameter | 0.3750 INCHES MINIMUM AND 0.3760 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM LEFT END SURFACE OF BODY |
| Surface Treatment | CADMIUM RIGHT END SURFACE OF BODY |
| Surface Treatment | CADMIUM OUTSIDE DIAMETER SURFACE OF BODY |
| Material | STEEL COMP 8630 OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| LS3859-6-36 | 3/2 Design control — primary reference U.S. Government activity |
| LS3859 | D/9 Drawing number reference only U.S. Government activity |
NSN 3120-00-684-2183 is a Bushing,sleeve, classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
4 possible matches (shared part number, not a government interchangeability claim): 3120-00-815-0011, 3120-00-927-4857, 3120-01-502-8322. Verify interchangeability with system specifications before substitution.
Key specifications for 3120-00-684-2183: Surface Finish: 125.0 MICROINCHES INTERMEDIATE LAYER; Corner Shape: SQUARE ALL CORNERS; Body Outside Diameter: 0.5011 INCHES MINIMUM AND 0.5016 INCHES MAXIMUM IN; Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES. 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.