The Bearing,sleeve, cataloged under National Stock Number 3120-00-323-7635, is classified within Federal Supply Class 3120 (Bearings, Plain, Unmounted) of the Bearings group. The manufacturer of record is Ontic Engineering & Manufacturing, Inc Dba Ontic Us. Government technical data includes 24 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3120-00-323-7635 |
| Primary Part Number | 01-469 |
| Item Name | Bearing,sleeve |
| FSC / FSG | 3120 / 31 — Bearings, Plain, Unmounted |
| Manufacturer | Ontic Engineering & Manufacturing, Inc Dba Ontic Us |
| Status | ACTIVE |
| Surface Finish | 20.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY |
| Surface Finish | 100.0 MICROINCHES LEFT END SURFACE OF BODY AND FLANGE |
| Surface Finish | 100.0 MICROINCHES RIGHT END SURFACE OF BODY |
| Surface Finish | 40.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY |
| Surface Finish | 100.0 MICROINCHES RIGHT END SURFACE OF LEFT FLANGE |
| Surface Finish | 20.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF FLANGE |
| Corner Shape | SQUARE INSIDE RIGHT CORNER |
| Corner Shape | SQUARE 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 | 1.2490 INCHES MINIMUM AND 1.2495 INCHES MAXIMUM IN |
| Body Outside Diameter | 0.6850 INCHES MINIMUM AND 0.6855 INCHES MAXIMUM IN |
| Style Designator | SOLID, EXTERNAL FLANGE ONE END |
| Body Inside Diameter | 0.5000 INCHES MINIMUM AND 0.5005 INCHES MAXIMUM IN |
| Lubricant Accommodation Style | GROOVED OPEN BOTH ENDS |
| Antirotation/lubrication Type and Quantity | 3 HOLE AND 1 SLOT |
| Flange Width | 0.5160 INCHES MINIMUM AND 0.5260 INCHES MAXIMUM IN |
| Material | COPPER ALLOY OVERALL |
| Surface Groove Location and Quantity | 1 INTERNAL |
| Slot Width | 0.0150 INCHES NOMINAL FIRST IN |
| Slot Length | 0.0050 INCHES MINIMUM AND 0.0150 INCHES MAXIMUM FIRST IN |
| Hole Diameter | 0.1560 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 |
| Part Number | Manufacturer |
|---|---|
| 01-469 PRIMARY | Ontic Engineering & Manufacturing, Inc Dba Ontic Us (USA) |
| Reference | Meaning |
|---|---|
| 01-469 | 5/9 Secondary reference Donallco Inc |
NSN 3120-00-323-7635 is a Bearing,sleeve, manufactured by Ontic Engineering & Manufacturing, Inc Dba Ontic Us, classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
NSN 3120-00-323-7635 has 1 manufacturer part number on file: 01-469 (Ontic Engineering & Manufacturing, Inc Dba Ontic Us).
1 possible match (shared part number, not a government interchangeability claim): 5136-00-595-8898. Verify interchangeability with system specifications before substitution.
Key specifications for 01-469: Surface Finish: 20.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY; Surface Finish: 100.0 MICROINCHES LEFT END SURFACE OF BODY AND FLANGE; Surface Finish: 100.0 MICROINCHES RIGHT END SURFACE OF BODY; Surface Finish: 40.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY. 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.