The Bushing,sleeve, cataloged under National Stock Number 3120-01-334-7992, is classified within Federal Supply Class 3120 (Bearings, Plain, Unmounted) of the Bearings group. Government technical data includes 20 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3120-01-334-7992 |
| Item Name | Bushing,sleeve |
| FSC / FSG | 3120 / 31 — Bearings, Plain, Unmounted |
| Status | ACTIVE |
| Surface Finish | 63.0 MICROINCHES LEFT END SURFACE OF BODY AND FLANGE |
| Corner Shape | SQUARE INSIDE RIGHT 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 |
| Corner Shape | ROUND LEFT FLANGE BODY CORNER |
| Surface Treatment Document and Classification | QQ-P-416 TYPE I,CLASS II FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Flange Outside Diameter | 5.1200 INCHES NOMINAL IN |
| Body Outside Diameter | 4.8160 INCHES MINIMUM AND 4.8170 INCHES MAXIMUM IN |
| Style Designator | SOLID, EXTERNAL FLANGE ONE END |
| Material Document and Classification | AMS 4640 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Body Inside Diameter | 4.5500 INCHES MINIMUM AND 4.5520 INCHES MAXIMUM IN |
| Lubricant Accommodation Style | GROOVED CIRCULAR |
| Surface Treatment | CADMIUM OVERALL |
| Antirotation/lubrication Type and Quantity | 4 HOLE |
| Flange Width | 0.1240 INCHES MINIMUM AND 0.1250 INCHES MAXIMUM IN |
| Material | COPPER ALLOY 630 OVERALL |
| Surface Groove Location and Quantity | 1 EXTERNAL |
| Hole Diameter | 0.1090 INCHES NOMINAL FIRST IN |
| 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 |
|---|---|
| 8853012-01 | 5/9 Secondary reference U.S. Government activity |
| 8853012-03 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3120-01-334-7992 is a Bushing,sleeve, classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
Key specifications for 3120-01-334-7992: Surface Finish: 63.0 MICROINCHES LEFT END SURFACE OF BODY AND FLANGE; Corner Shape: SQUARE INSIDE RIGHT CORNER; Corner Shape: SQUARE OUTSIDE RIGHT CORNER; Corner Shape: SQUARE OUTSIDE LEFT CORNER. 20 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.