The Bearing,ball,thrust, cataloged under National Stock Number 3110-01-159-2820, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Knowlton M D Co Auburn Ball Bearing Div. Government technical data includes 5 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. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-01-159-2820 |
| Primary Part Number | T100-9 |
| Item Name | Bearing,ball,thrust |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Knowlton M D Co Auburn Ball Bearing Div |
| Status | ACTIVE |
| Surface Finish | GROUND |
| Thrust Directional Capability Designation | SINGLE |
| Overall Outside Diameter | 1.9850 INCHES MINIMUM AND 2.0150 INCHES MAXIMUM IN |
| Alignment Type | RIGID |
| Standard Tolerance Designation | AFBMA STD TOLERANCE FOR THRUST BEARINGS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| T100-9 PRIMARY | Knowlton M D Co Auburn Ball Bearing Div (USA) |
NSN 3110-01-159-2820 is a Bearing,ball,thrust, manufactured by Knowlton M D Co Auburn Ball Bearing Div, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-159-2820 has 1 manufacturer part number on file: T100-9 (Knowlton M D Co Auburn Ball Bearing Div).
2 possible matches (shared part number, not a government interchangeability claim): 5950-01-372-6821, 8310-01-394-0828. Verify interchangeability with system specifications before substitution.
Key specifications for T100-9: Surface Finish: GROUND; Thrust Directional Capability Designation: SINGLE; Overall Outside Diameter: 1.9850 INCHES MINIMUM AND 2.0150 INCHES MAXIMUM IN; Alignment Type: RIGID. 5 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 3110-01-159-2820 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.