The Bearing,ball,annular, cataloged under National Stock Number 3110-01-021-3534, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Ametek Inc Lamb Electric Div. Government technical data includes 14 specifications, cited from the U.S. Government catalog. The record lists 2 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 3110-01-021-3534 |
| Primary Part Number | 40-7621 |
| Item Name | Bearing,ball,annular |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Ametek Inc Lamb Electric Div |
| Status | ACTIVE |
| Retainer Fabrication Method | PRESSED |
| Bearing Seal Type | LABYRINTH |
| Outer Ring Width | 0.3150 INCHES NOMINAL IN |
| Internal Fit-Up Designation | STANDARD |
| Surface Finish | GROUND |
| Style Designator | NON-LOADING GROOVE, NON-SEPARABLE |
| Overall Outside Diameter | 0.8657 INCHES MINIMUM AND 0.8661 INCHES MAXIMUM IN |
| Bore Shape | STRAIGHT |
| Load Direction | RADIAL |
| Seal Quantity | 1 |
| Standard Tolerance Designation | ABEC NO.1 |
| Bore Diameter | 0.3147 INCHES MINIMUM AND 0.3150 INCHES MAXIMUM IN |
| Material | STEEL OVERALL |
| Inner Ring Width | 0.3860 INCHES NOMINAL IN |
| 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 |
|---|---|
| 40-7621 | Timken Co Div the Timken Company (USA) |
| 40-7621 PRIMARY | Ametek Inc Lamb Electric Div (USA) |
| Reference | Meaning |
|---|---|
| 38KLFS5 | 5/9 Secondary reference Timken Co Div the Timken Company |
| 38KLFS50000 | 5/9 Secondary reference Timken Co Div the Timken Company |
| 40-7621 | 5/9 Secondary reference General Motors Corp Delco Moraine Ndh Div |
NSN 3110-01-021-3534 is a Bearing,ball,annular, manufactured by Ametek Inc Lamb Electric Div, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-021-3534 has 2 manufacturer part numbers on file: 40-7621 (Timken Co Div the Timken Company), 40-7621 (Ametek Inc Lamb Electric Div).
Key specifications for 40-7621: Retainer Fabrication Method: PRESSED; Bearing Seal Type: LABYRINTH; Outer Ring Width: 0.3150 INCHES NOMINAL IN; Internal Fit-Up Designation: STANDARD. 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.
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.