The Bushing,sleeve, cataloged under National Stock Number 3120-01-160-0806, is classified within Federal Supply Class 3120 (Bearings, Plain, Unmounted) of the Bearings group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3120-01-160-0806 |
| Primary Part Number | 523-5256781 PIECE 80 |
| Item Name | Bushing,sleeve |
| FSC / FSG | 3120 / 31 — Bearings, Plain, Unmounted |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Corner Shape | SQUARE ALL CORNERS |
| Body Outside Diameter | 2.8710 INCHES MINIMUM AND 2.8720 INCHES MAXIMUM IN |
| Style Designator | SOLID, PLAIN, NO OUTSIDE FLANGES |
| Material Document and Classification | QQ-C-390 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Body Inside Diameter | 1.8750 INCHES NOMINAL IN |
| Lubricant Accommodation Style | GROOVED CIRCULAR |
| Material | COPPER ALLOY 938 OVERALL |
| Surface Groove Location and Quantity | 1 INTERNAL |
| 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 |
|---|---|
| 523-5256781-80 | Naval Sea Systems Command (USA) |
| 523-5256781 PIECE 80 PRIMARY | Naval Sea Systems Command (USA) |
| 523-5256781 DETAIL 23-A-80 | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 5256781-80 | 5/9 Secondary reference U.S. Government activity |
NSN 3120-01-160-0806 is a Bushing,sleeve, manufactured by Naval Sea Systems Command, classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
NSN 3120-01-160-0806 has 3 manufacturer part numbers on file: 523-5256781-80 (Naval Sea Systems Command), 523-5256781 PIECE 80 (Naval Sea Systems Command), 523-5256781 DETAIL 23-A-80 (Naval Sea Systems Command).
Key specifications for 523-5256781 PIECE 80: Corner Shape: SQUARE ALL CORNERS; Body Outside Diameter: 2.8710 INCHES MINIMUM AND 2.8720 INCHES MAXIMUM IN; Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES; Material Document and Classification: QQ-C-390 FED SPEC SINGLE MATERIAL RESPONSE OVERALL. 8 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.