The Bearing,sleeve, cataloged under National Stock Number 3120-01-166-8608, is classified within Federal Supply Class 3120 (Bearings, Plain, Unmounted) of the Bearings group. The manufacturer of record is Kamatics Corporation. Government technical data includes 21 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3120-01-166-8608 |
| Primary Part Number | KJB187900BC-85-094 |
| Item Name | Bearing,sleeve |
| FSC / FSG | 3120 / 31 — Bearings, Plain, Unmounted |
| Manufacturer | Kamatics Corporation |
| Status | ACTIVE |
| Surface Finish | 125.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY |
| Surface Finish | 63.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY |
| Surface Finish | 125.0 MICROINCHES RIGHT END SURFACE OF LEFT FLANGE |
| Surface Finish | 125.0 MICROINCHES LEFT END SURFACE OF BODY AND FLANGE |
| Surface Finish | 125.0 MICROINCHES RIGHT END SURFACE OF BODY |
| Surface Finish | 125.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF 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 | UNDERCUT LEFT FLANGE BODY CORNER |
| Flange Outside Diameter | 0.7400 INCHES MINIMUM AND 0.7600 INCHES MAXIMUM IN |
| Body Outside Diameter | 0.6260 INCHES MINIMUM AND 0.6265 INCHES MAXIMUM IN |
| Style Designator | SOLID, EXTERNAL FLANGE ONE END |
| Material Document and Classification | AMS 5643K-77 ASSN STD SINGLE MATERIAL RESPONSE OR FMS-0131,FSCM 81755 MFR REF SINGLE MATERIAL RESPONSE OUTER LAYER |
| Body Inside Diameter | 0.5005 INCHES MINIMUM AND 0.5015 INCHES MAXIMUM IN |
| Specification/standard Data | 81755-C9681 MANUFACTURERS SPECIFICATION CONTROL |
| Flange Width | 0.0570 INCHES MINIMUM AND 0.0620 INCHES MAXIMUM IN |
| Material | STEEL COMP 630 OUTER LAYER |
| Material | COTTON INNER LAYER |
| 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 |
|---|---|
| KJB187900BC-85-094 PRIMARY | Kamatics Corporation (USA) |
| HJF9681C8-094 PRIMARY | U S Bearings (USA) |
| KJB187900BC8S094 PRIMARY | Kamatics Corporation (USA) |
| Reference | Meaning |
|---|---|
| 3120PL1737477 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 3120PL0687564 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| C9681C8-094 | 7/2 Vendor item drawing reference U.S. Government activity |
NSN 3120-01-166-8608 is a Bearing,sleeve, manufactured by Kamatics Corporation, classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
NSN 3120-01-166-8608 has 3 manufacturer part numbers on file: KJB187900BC-85-094 (Kamatics Corporation), HJF9681C8-094 (U S Bearings), KJB187900BC8S094 (Kamatics Corporation).
Key specifications for KJB187900BC-85-094: Surface Finish: 125.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY; Surface Finish: 63.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY; Surface Finish: 125.0 MICROINCHES RIGHT END SURFACE OF LEFT FLANGE; Surface Finish: 125.0 MICROINCHES LEFT END SURFACE OF BODY AND FLANGE. 21 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.