The Bearing,sleeve, cataloged under National Stock Number 3120-01-342-8616, is classified within Federal Supply Class 3120 (Bearings, Plain, Unmounted) of the Bearings group. The manufacturer of record is Timken Co Div the Timken Company. Government technical data includes 16 specifications, cited from the U.S. Government catalog. The record lists 6 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 9 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3120-01-342-8616 |
| Primary Part Number | STSKJ101-06A021 |
| Item Name | Bearing,sleeve |
| FSC / FSG | 3120 / 31 — Bearings, Plain, Unmounted |
| Manufacturer | Timken Co Div the Timken Company |
| Status | ACTIVE |
| 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 |
| Surface Treatment Document and Classification | MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OUTER LAYER |
| Flange Outside Diameter | 0.8550 INCHES MINIMUM AND 0.8750 INCHES MAXIMUM IN |
| Body Outside Diameter | 0.5007 INCHES MINIMUM AND 0.5017 INCHES MAXIMUM IN |
| Style Designator | SOLID, EXTERNAL FLANGE ONE END |
| Material Document and Classification | QQ-A-200/11 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-A-225/9 FED SPEC SINGLE MATERIAL RESPONSE OUTER LAYER |
| Body Inside Diameter | 0.3755 INCHES MINIMUM AND 0.3765 INCHES MAXIMUM IN |
| Surface Treatment | ANODIZE OUTER LAYER |
| Flange Width | 0.0575 INCHES MINIMUM AND 0.0625 INCHES MAXIMUM IN |
| Material | PLASTIC POLYTETRAFLUOROETHYLENE INNER LAYER |
| Material | ALUMINUM ALLOY 7075 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 |
|---|---|
| STSKJ101-06A021 PRIMARY | Timken Co Div the Timken Company (USA) |
| KDJ06A021-241 PRIMARY | Roller Bearing Company of America, Inc. (USA) |
| KDJ06A021-241 PRIMARY | Rbc Transport Dynamics Corp Div Rbc Transport Dynamics (USA) |
| KDJ06A021-241 PRIMARY | Timken Co Div the Timken Company (USA) |
| KDJ06A021-241 PRIMARY | New Hampshire Ball Bearings Inc Div Astro Division (USA) |
| KDJ06A021-241 PRIMARY | Rexnord Industries, Llc (USA) |
| Reference | Meaning |
|---|---|
| KDJ06A021-241 | 5/9 Secondary reference Rexnord Industries, Llc Div Aerosspace Bearing Operation |
| KDJ06A021-241 | 7/2 Vendor item drawing reference U.S. Government activity |
| STSKJ101-06A021 | 5/9 Secondary reference Rexnord Industries, Llc Div Aerosspace Bearing Operation |
| STSKJ101-06A021 | 5/9 Secondary reference U.S. Government activity |
| KDJ06A021-241 | 5/9 Secondary reference U.S. Government activity |
| STSKJ101-06A021 | 5/9 Secondary reference New Hampshire Ball Bearings Inc Div Astro Division |
| STSKJ101-06A021 | 5/9 Secondary reference Rbc Transport Dynamics Corp Div Rbc Transport Dynamics |
| STSKJ101-06A021 | 5/9 Secondary reference Roller Bearing Company of America, Inc. |
| STSKJ101-06A021 | 5/9 Secondary reference U.S. Government activity |
NSN 3120-01-342-8616 is a Bearing,sleeve, manufactured by Timken Co Div the Timken Company, classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
NSN 3120-01-342-8616 has 6 manufacturer part numbers on file: STSKJ101-06A021 (Timken Co Div the Timken Company), KDJ06A021-241 (Roller Bearing Company of America, Inc.), KDJ06A021-241 (Rbc Transport Dynamics Corp Div Rbc Transport Dynamics), KDJ06A021-241 (Timken Co Div the Timken Company), KDJ06A021-241 (New Hampshire Ball Bearings Inc Div Astro Division) and 1 more.
Key specifications for STSKJ101-06A021: 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. 16 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.