The Bushing,sleeve, cataloged under National Stock Number 3120-01-560-5488, is classified within Federal Supply Class 3120 (Bearings, Plain, Unmounted) of the Bearings group. Government technical data includes 24 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3120-01-560-5488 |
| Item Name | Bushing,sleeve |
| FSC / FSG | 3120 / 31 — Bearings, Plain, Unmounted |
| Status | ACTIVE |
| Surface Finish | 125.0 MICROINCHES LEFT END SURFACE OF BODY AND FLANGE |
| Surface Finish | 125.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY |
| Surface Finish | 125.0 MICROINCHES RIGHT END SURFACE OF BODY |
| Surface Finish | 125.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF FLANGE |
| Surface Finish | 63.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY |
| Corner Shape | CHAMFERED INSIDE LEFT CORNER |
| Corner Shape | SQUARE OUTSIDE LEFT CORNER |
| Corner Shape | SQUARE LEFT FLANGE OUTSIDE RIGHT CORNER |
| Corner Shape | CHAMFERED INSIDE RIGHT CORNER |
| Corner Shape | ROUND LEFT FLANGE BODY CORNER |
| Corner Shape | CHAMFERED OUTSIDE RIGHT CORNER |
| Surface Treatment Document and Classification | AMS-QQ-PP-416, TYPE II, CLASS 3(PREFERRED) ASSN STD SINGLE TREATMENT RESPONSE OR AMS 2417, TYPE 1 OR TYPE 2 ASSN STD SINGLE TREATMENT RESPONSE OR AMS 2451/4 OR 3 ASSN STD SINGLE TREATMENT RESPONSE OR AMS 2451/9 TYPE 1 OR TYPE 2 ASSN STD SINGLE TREATMENT RESPONSE OUTSIDE DIAMETER SURFACE OF BODY |
| Surface Treatment Document and Classification | AMS-QQ-PP-416, TYPE II, CLASS 3(PREFERRED) ASSN STD SINGLE TREATMENT RESPONSE OR AMS 2417. TYPE 1 OR TYPE 2 ASSN STD SINGLE TREATMENT RESPONSE OR AMS 2451/4 OR 3 ASSN STD SINGLE TREATMENT RESPONSE OR AMS 2451/9 TYPE 1 OR TYPE 2 ASSN STD SINGLE TREATMENT RESPONSE RIGHT END SURFACE OF BODY |
| Surface Treatment Document and Classification | AMS-QQ-PP-416, TYPE II. CLASS 3(PREFERRED) ASSN STD SINGLE TREATMENT RESPONSE OR AMS 2417, TYPE 1 OR TYPE 2 ASSN STD SINGLE TREATMENT RESPONSE OR AMS 2451/4 OR 3 ASSN STD SINGLE TREATMENT RESPONSE OR AMS 2451/9 TYPE 1 OR TYPE 2 ASSN STD SINGLE TREATMENT RESPONSE LEFT END SURFACE OF BODY AND FLANGE |
| Flange Outside Diameter | 7.2500 INCHES NOMINAL IN |
| Body Outside Diameter | 6.3672 INCHES MINIMUM AND 6.3693 INCHES MAXIMUM IN |
| Style Designator | SOLID, EXTERNAL FLANGE ONE END, INTERNAL FLANGE AT BOTH ENDS |
| Material Document and Classification | MIL-B-6946 MIL SPEC SINGLE MATERIAL RESPONSE OR QQ-B-671 CLASS 3 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Body Inside Diameter | 5.5600 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM OR NICKEL AND ZINC LEFT END SURFACE OF BODY AND FLANGE |
| Surface Treatment | CADMIUM OR NICKEL AND ZINC OUTSIDE DIAMETER SURFACE OF BODY |
| Surface Treatment | CADMIUM OR NICKEL AND ZINC RIGHT END SURFACE OF BODY |
| Flange Width | 0.1650 INCHES MINIMUM AND 0.1750 INCHES MAXIMUM IN |
| Material | COPPER ALLOY 630 OR COPPER ALLOY 955 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 |
|---|---|
| 9-61961-6 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3120-01-560-5488 is a Bushing,sleeve, classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
Key specifications for 3120-01-560-5488: Surface Finish: 125.0 MICROINCHES LEFT END SURFACE OF BODY AND FLANGE; Surface Finish: 125.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY; Surface Finish: 125.0 MICROINCHES RIGHT END SURFACE OF BODY; Surface Finish: 125.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF FLANGE. 24 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.