The Bearing,sleeve, cataloged under National Stock Number 3120-01-348-4937, is classified within Federal Supply Class 3120 (Bearings, Plain, Unmounted) of the Bearings group. The manufacturer of record is Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems. Government technical data includes 29 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3120-01-348-4937 |
| Primary Part Number | 04A061-06-025C |
| Item Name | Bearing,sleeve |
| FSC / FSG | 3120 / 31 — Bearings, Plain, Unmounted |
| Manufacturer | Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems |
| Status | ACTIVE |
| Surface Finish | 16.0 MICROINCHES LEFT END SURFACE OF BODY AND FLANGE |
| Surface Finish | 63.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY |
| 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 | CHAMFERED INSIDE RIGHT CORNER |
| Corner Shape | UNDERCUT LEFT FLANGE BODY CORNER |
| Surface Treatment Document and Classification | QQ-P-416,TYPE 2,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OUTSIDE DIAMETER SURFACE OF BODY |
| Surface Treatment Document and Classification | QQ-P-416,TYPE 2,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE RIGHT END SURFACE OF LEFT FLANGE |
| Surface Treatment Document and Classification | QQ-P-416,TYPE 2,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE RIGHT END SURFACE OF BODY |
| Surface Treatment Document and Classification | QQ-P-416,TYPE 2,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OUTSIDE DIAMETER SURFACE OF FLANGE |
| Surface Treatment Document and Classification | QQ-P-416,TYPE 2,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE INSIDE DIAMETER SURFACE OF BODY |
| Flange Outside Diameter | 0.7800 INCHES MINIMUM AND 0.8000 INCHES MAXIMUM IN |
| Body Outside Diameter | 0.5007 INCHES MINIMUM AND 0.5013 INCHES MAXIMUM IN |
| Hardness Rating | 28.0 ROCKWELL C MINIMUM AND 37.0 ROCKWELL C MAXIMUM RIGHT END SURFACE OF BODY |
| Hardness Rating | 28.0 ROCKWELL C MINIMUM AND 37.0 ROCKWELL C MAXIMUM LEFT END SURFACE OF BODY AND FLANGE |
| Hardness Rating | 28.0 ROCKWELL C MINIMUM AND 37.0 ROCKWELL C MAXIMUM OUTSIDE DIAMETER SURFACE OF FLANGE |
| Hardness Rating | 28.0 ROCKWELL C MINIMUM AND 37.0 ROCKWELL C MAXIMUM OUTSIDE DIAMETER SURFACE OF BODY |
| Hardness Rating | 28.0 ROCKWELL C MINIMUM AND 37.0 ROCKWELL C MAXIMUM RIGHT END SURFACE OF LEFT FLANGE |
| Style Designator | SOLID, EXTERNAL FLANGE ONE END |
| Material Document and Classification | AMS 5643 ASSN STD SINGLE MATERIAL RESPONSE RIGHT END SURFACE OF LEFT FLANGE |
| Material Document and Classification | AMS 5643 ASSN STD SINGLE MATERIAL RESPONSE LEFT END SURFACE OF BODY AND FLANGE |
| Material Document and Classification | AMS 5643 ASSN STD SINGLE MATERIAL RESPONSE OUTSIDE DIAMETER SURFACE OF BODY |
| Material Document and Classification | MIL-B-81934 MIL SPEC SINGLE MATERIAL RESPONSE INSIDE DIAMETER SURFACE OF BODY |
| Material Document and Classification | AMS 5643 ASSN STD SINGLE MATERIAL RESPONSE RIGHT END SURFACE OF BODY |
| Material Document and Classification | AMS 5643 ASSN STD SINGLE MATERIAL RESPONSE OUTSIDE DIAMETER SURFACE OF FLANGE |
| Body Inside Diameter | 0.3640 INCHES MINIMUM AND 0.3660 INCHES MAXIMUM IN |
| Specification/standard Data | 76823-04A061 MANUFACTURERS STANDARD |
| 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 |
|---|---|
| BJBN06FCC-025 | Schaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation (USA) |
| 04A061-06-025C PRIMARY | Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems (USA) |
| KPD328-06-025C PRIMARY | Kamatics Corporation (USA) |
| Reference | Meaning |
|---|---|
| 04A061-06-025C | 5/9 Secondary reference Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems |
NSN 3120-01-348-4937 is a Bearing,sleeve, manufactured by Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems, classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
NSN 3120-01-348-4937 has 3 manufacturer part numbers on file: BJBN06FCC-025 (Schaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation), 04A061-06-025C (Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems), KPD328-06-025C (Kamatics Corporation).
Key specifications for 04A061-06-025C: Surface Finish: 16.0 MICROINCHES LEFT END SURFACE OF BODY AND FLANGE; Surface Finish: 63.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY; Corner Shape: SQUARE OUTSIDE RIGHT CORNER; Corner Shape: SQUARE OUTSIDE LEFT CORNER. 29 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.