The Bearing,sleeve, cataloged under National Stock Number 3120-00-993-5451, is classified within Federal Supply Class 3120 (Bearings, Plain, Unmounted) of the Bearings group. The manufacturer of record is Bunting Bearings Llc Dba Bunting Bearings Corp. Government technical data includes 13 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3120-00-993-5451 |
| Primary Part Number | EF060912 |
| Item Name | Bearing,sleeve |
| FSC / FSG | 3120 / 31 — Bearings, Plain, Unmounted |
| Manufacturer | Bunting Bearings Llc Dba Bunting Bearings Corp |
| Status | ACTIVE |
| Corner Shape | SQUARE INSIDE RIGHT CORNER |
| Corner Shape | RELIEF GROOVE LEFT FLANGE BODY 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 |
| Flange Outside Diameter | 0.6870 INCHES NOMINAL IN |
| Body Outside Diameter | 0.5640 INCHES MINIMUM AND 0.5650 INCHES MAXIMUM IN |
| Style Designator | SOLID, EXTERNAL FLANGE ONE END |
| Material Document and Classification | QQ-L-225 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Body Inside Diameter | 0.3740 INCHES MINIMUM AND 0.3760 INCHES MAXIMUM IN |
| Flange Width | 0.0938 INCHES NOMINAL IN |
| Material | COPPER ALLOY 932 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 |
|---|---|
| EF060912 PRIMARY | Bunting Bearings Llc Dba Bunting Bearings Corp (USA) |
| Reference | Meaning |
|---|---|
| MS35772-21 | 5/9 Secondary reference U.S. Government activity |
NSN 3120-00-993-5451 is a Bearing,sleeve, manufactured by Bunting Bearings Llc Dba Bunting Bearings Corp, classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
NSN 3120-00-993-5451 has 1 manufacturer part number on file: EF060912 (Bunting Bearings Llc Dba Bunting Bearings Corp).
Key specifications for EF060912: Corner Shape: SQUARE INSIDE RIGHT CORNER; Corner Shape: RELIEF GROOVE LEFT FLANGE BODY CORNER; Corner Shape: SQUARE OUTSIDE RIGHT CORNER; Corner Shape: SQUARE OUTSIDE LEFT CORNER. 13 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.