The Bearing,ball,annular, cataloged under National Stock Number 3110-00-156-4681, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Timken Co Div the Timken Company. Government technical data includes 14 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through both NSN and commercial part number lookups. 10 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 3110-00-156-4681 |
| Primary Part Number | 5204KD |
| Item Name | Bearing,ball,annular |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Timken Co Div the Timken Company |
| Status | CANCELLED |
| Retainer Fabrication Method | PRESSED |
| Internal Fit-Up Designation | STANDARD |
| Surface Finish | GROUND |
| Shield Quantity | 1 |
| Style Designator | NON-LOADING GROOVE, NON-SEPARABLE |
| Overall Outside Diameter | 47.00 MILLIMETERS NOMINAL MM |
| Bore Shape | STRAIGHT |
| Departure From Cited Designator | AS MODIFIED BY SHIELD QUANTITY |
| Nondefinitive Spec/std Data | 143 TYPE AND 00 GRADE |
| Load Direction | ANGULAR |
| Internal Fit-Up Contact Angular Direction | OUTWARD CONVERGENT |
| Standard Tolerance Designation | ABEC NO.1 |
| Bore Diameter | 20.00 MILLIMETERS NOMINAL MM |
| Material | STEEL OVERALL |
| Acquisition Status | CANCELLED |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 5204KD PRIMARY | Timken Co Div the Timken Company (USA) |
| S-16017-A | Cummins Inc. (USA) |
| 11609967 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| X361 | 5/9 Secondary reference Pierce Co Inc the Sub of Avis Industrial Corp |
| FFB171 | 4/1 Identification reference U.S. Government activity |
| 5204FQ5A7 | 5/9 Secondary reference Skf Usa Inc. |
| ND-5504 | C/1 Advisory reference — outside the item-of-supply concept General Motors Corp Delco Moraine Ndh Div |
| 5504X1C | 5/9 Secondary reference General Motors Corp Delco Moraine Ndh Div |
| 5504X1 | 5/9 Secondary reference General Motors Corp Delco Moraine Ndh Div |
| 3110001564681 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
| 5504X1A | 5/9 Secondary reference General Motors Corp Delco Moraine Ndh Div |
| P-2869 | C/1 Advisory reference — outside the item-of-supply concept Lift Truck Service Co |
| 5204D | 5/9 Secondary reference Timken Co Div the Timken Company |
NSN 3110-00-156-4681 is a Bearing,ball,annular, manufactured by Timken Co Div the Timken Company, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: cancelled.
NSN 3110-00-156-4681 has 3 manufacturer part numbers on file: 5204KD (Timken Co Div the Timken Company), S-16017-A (Cummins Inc.), 11609967 (U S Army Tank Automotive Command Amsta-Im-Mm).
3 possible matches (shared part number, not a government interchangeability claim): 3110-00-554-3924, 4310-01-131-3306, 5325-01-240-0727. Verify interchangeability with system specifications before substitution.
Key specifications for 5204KD: Retainer Fabrication Method: PRESSED; Internal Fit-Up Designation: STANDARD; Surface Finish: GROUND; Shield Quantity: 1. 14 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.
NSN 3110-00-156-4681 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.
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.