The Bearing,sleeve, cataloged under National Stock Number 3120-01-341-4178, 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 15 specifications, cited from the U.S. Government catalog. The record lists 5 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3120-01-341-4178 |
| Primary Part Number | KRJ11UDSB-009S |
| Item Name | Bearing,sleeve |
| FSC / FSG | 3120 / 31 — Bearings, Plain, Unmounted |
| Manufacturer | Kamatics Corporation |
| Status | ACTIVE |
| Surface Finish | 63.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY |
| 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 |
| Flange Outside Diameter | 1.3550 INCHES MINIMUM AND 1.3750 INCHES MAXIMUM IN |
| Body Outside Diameter | 0.8762 INCHES MINIMUM AND 0.8767 INCHES MAXIMUM IN |
| Style Designator | SOLID, EXTERNAL FLANGE ONE END |
| Material Document and Classification | AMS 5643 ASSN STD SINGLE MATERIAL RESPONSE OUTER LAYER |
| Material Document and Classification | KARON LINER,CAGEC 50632 MFR REF SINGLE MATERIAL RESPONSE INNER LAYER |
| Body Inside Diameter | 0.6880 INCHES MINIMUM AND 0.6890 INCHES MAXIMUM IN |
| Flange Width | 0.0575 INCHES MINIMUM AND 0.0625 INCHES MAXIMUM IN |
| Material | PLASTIC POLYTETRAFLUOROETHYLENE INNER LAYER |
| Material | STEEL COMP 630 OUTER 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 |
|---|---|
| KRJ11UDSB-009S PRIMARY | Kamatics Corporation (USA) |
| 07-282-11-009 | Rbc Transport Dynamics Corp Div Rbc Transport Dynamics (USA) |
| 04A076-11C009 | Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems (USA) |
| AHJF11C(L1)009 | New Hampshire Ball Bearings Inc Div Astro Division (USA) |
| AHJF11C009 | New Hampshire Ball Bearings Inc Div Precision Division (USA) |
| Reference | Meaning |
|---|---|
| KDJ11C009-342 | 5/2 Secondary reference U.S. Government activity |
NSN 3120-01-341-4178 is a Bearing,sleeve, manufactured by Kamatics Corporation, classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
NSN 3120-01-341-4178 has 5 manufacturer part numbers on file: KRJ11UDSB-009S (Kamatics Corporation), 07-282-11-009 (Rbc Transport Dynamics Corp Div Rbc Transport Dynamics), 04A076-11C009 (Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems), AHJF11C(L1)009 (New Hampshire Ball Bearings Inc Div Astro Division), AHJF11C009 (New Hampshire Ball Bearings Inc Div Precision Division).
Key specifications for KRJ11UDSB-009S: Surface Finish: 63.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY; Corner Shape: SQUARE INSIDE RIGHT CORNER; Corner Shape: SQUARE OUTSIDE RIGHT CORNER; Corner Shape: SQUARE OUTSIDE LEFT CORNER. 15 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.