The Bearing,sleeve, cataloged under National Stock Number 3120-00-021-4865, is classified within Federal Supply Class 3120 (Bearings, Plain, Unmounted) of the Bearings group. The manufacturer of record is J.f. Fredericks Aero Llc Dba J F Fredericks Aero Llc Div J F Frederics Aero Llc. Government technical data includes 13 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3120-00-021-4865 |
| Primary Part Number | 575323 |
| Item Name | Bearing,sleeve |
| FSC / FSG | 3120 / 31 — Bearings, Plain, Unmounted |
| Manufacturer | J.f. Fredericks Aero Llc Dba J F Fredericks Aero Llc Div J F Frederics Aero Llc |
| Status | ACTIVE |
| Corner Shape | CHAMFERED INSIDE LEFT CORNER |
| Corner Shape | SQUARE INSIDE RIGHT CORNER |
| Corner Shape | SQUARE OUTSIDE RIGHT CORNER |
| Corner Shape | CHAMFERED OUTSIDE LEFT CORNER |
| Body Outside Diameter | 1.6715 INCHES MINIMUM AND 1.6720 INCHES MAXIMUM IN |
| Hardness Rating | 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL |
| Style Designator | SOLID, PLAIN, NO OUTSIDE FLANGES |
| Body Inside Diameter | 0.8415 INCHES MINIMUM AND 0.8425 INCHES MAXIMUM IN |
| Lubricant Accommodation Style | GROOVED CIRCULAR |
| Antirotation/lubrication Type and Quantity | 1 HOLE |
| Material | STEEL COMP 8740 OVERALL |
| Surface Groove Location and Quantity | 2 EXTERNAL |
| Hole Diameter | 0.0890 INCHES MINIMUM AND 0.0990 INCHES MAXIMUM 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 |
| Part Number | Manufacturer |
|---|---|
| 575323 | Industrial Precision, Inc (USA) |
| 575323 PRIMARY | J.f. Fredericks Aero Llc Dba J F Fredericks Aero Llc Div J F Frederics Aero Llc (USA) |
| 575323 | Precision Speed Manufacturing, Llc (USA) |
| Reference | Meaning |
|---|---|
| 575323 | 5/9 Secondary reference Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
NSN 3120-00-021-4865 is a Bearing,sleeve, manufactured by J.f. Fredericks Aero Llc Dba J F Fredericks Aero Llc Div J F Frederics Aero Llc, classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
NSN 3120-00-021-4865 has 3 manufacturer part numbers on file: 575323 (Industrial Precision, Inc), 575323 (J.f. Fredericks Aero Llc Dba J F Fredericks Aero Llc Div J F Frederics Aero Llc), 575323 (Precision Speed Manufacturing, Llc).
Key specifications for 575323: Corner Shape: CHAMFERED INSIDE LEFT CORNER; Corner Shape: SQUARE INSIDE RIGHT CORNER; Corner Shape: SQUARE OUTSIDE RIGHT CORNER; Corner Shape: CHAMFERED 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.