The Bearing,ball,annular, cataloged under National Stock Number 3110-00-155-8934, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Fag Bearings Corporation. Government technical data includes 12 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through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-00-155-8934 |
| Primary Part Number | XLS1 7-8 |
| Item Name | Bearing,ball,annular |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Fag Bearings Corporation |
| Status | ACTIVE |
| Retainer Fabrication Method | PRESSED |
| Internal Fit-Up Designation | STANDARD |
| Surface Finish | GROUND |
| Style Designator | NON-LOADING GROOVE, NON-SEPARABLE |
| Overall Outside Diameter | 3.1875 INCHES NOMINAL IN |
| Bore Shape | STRAIGHT |
| Departure From Cited Designator | AS MODIFIED BY OVERALL OUTSIDE DIAMETER |
| Nondefinitive Spec/std Data | 115 TYPE AND 00 GRADE |
| Load Direction | RADIAL |
| Standard Tolerance Designation | ABEC NO.1 |
| Bore Diameter | 1.8750 INCHES NOMINAL IN |
| Material | STEEL OVERALL |
| 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 |
|---|---|
| XLS1 7-8 PRIMARY | Fag Bearings Corporation (USA) |
| 316010-1 PRIMARY | Naval Sea Systems Command (USA) |
| 177039-5 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 316010-1 | 5/9 Secondary reference Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| X13145 | 5/9 Secondary reference Teledyne Continental Motors Industrial Products Div Teledyne Industries Inc Sub of Teledyne Inc |
| 7B1440GX1 1-2WBBSC | 5/9 Secondary reference Conway Clutch Co |
| XLS1 7-8 | 5/9 Secondary reference Schatz Bearing Corporation Dba Schatz Bearing Corp |
| 177039-5 | 5/9 Secondary reference Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| FFB171 | 4/1 Identification reference U.S. Government activity |
| XLS1 7-8 | 5/9 Secondary reference U.S. Government activity |
NSN 3110-00-155-8934 is a Bearing,ball,annular, manufactured by Fag Bearings Corporation, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-00-155-8934 has 3 manufacturer part numbers on file: XLS1 7-8 (Fag Bearings Corporation), 316010-1 (Naval Sea Systems Command), 177039-5 (Naval Sea Systems Command).
3 possible matches (shared part number, not a government interchangeability claim): 6210-01-157-0631, 6640-01-351-0065, 6640-01-521-5463. Verify interchangeability with system specifications before substitution.
Key specifications for XLS1 7-8: Retainer Fabrication Method: PRESSED; Internal Fit-Up Designation: STANDARD; Surface Finish: GROUND; Style Designator: NON-LOADING GROOVE, NON-SEPARABLE. 12 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.