The Bearing,ball,annular, cataloged under National Stock Number 3110-00-156-3531, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Westinghouse Electric Corp. Government technical data includes 20 specifications, cited from the U.S. Government catalog. The record lists 13 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 19 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government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 | 3110-00-156-3531 |
| Primary Part Number | 1188182 |
| Item Name | Bearing,ball,annular |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Westinghouse Electric Corp |
| Status | ACTIVE |
| Retainer Fabrication Method | PRESSED |
| Bearing Seal Type | LABYRINTH |
| Lubrication Material | GREASE |
| Outer Ring Width | 0.6250 INCHES NOMINAL IN |
| Internal Fit-Up Designation | STANDARD |
| Surface Finish | GROUND |
| Style Designator | LOADING GROOVE, NON-SEPARABLE |
| Overall Outside Diameter | 47.00 MILLIMETERS NOMINAL MM |
| Bore Shape | STRAIGHT |
| Load Direction | RADIAL |
| Seal Quantity | 2 |
| Standard Tolerance Designation | ABEC NO.1 |
| Bore Diameter | 20.00 MILLIMETERS NOMINAL MM |
| Material | STEEL OUTER RING |
| Material | STEEL INNER RING |
| Material | RUBBER SYNTHETIC SEAL |
| Material | STEEL RETAINER |
| Material | STEEL BALL |
| Lubrication Material Document and Classification | DOD-G-24508 MIL SPEC SINGLE MATERIAL RESPONSE |
| Inner Ring Width | 0.6990 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 |
|---|---|
| WC88504X1C | General Motors Llc Dba General Motors Llc (USA) |
| 1188182 PRIMARY | Westinghouse Electric Corp (USA) |
| CWC88504X1C | General Motors Llc Dba General Motors Llc (USA) |
| 11434A PRIMARY | Brinkley Technology Group Llc Dba Hercules Manufacturing (USA) |
| WC88504HX1E | General Motors Llc Dba General Motors Llc (USA) |
| 4D8189ITEM2 PRIMARY | Westinghouse Electric Corp (USA) |
| CWC88504 | General Motors Llc Dba General Motors Llc (USA) |
| CW088504 | General Motors Llc Dba General Motors Llc (USA) |
| WC88504 | General Motors Llc Dba General Motors Llc (USA) |
| 954277 PRIMARY | General Motors Corp (USA) |
| WC88504HX1E | Borgwarner Pds (anderson), L.l.c. (USA) |
| C111790 PRIMARY | Schwitzer Engine Components a Household Intl Co (USA) |
| 402294-83 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| CW088504 | 5/9 Secondary reference General Motors Corp Delco Moraine Ndh Div |
| WC88504 | 5/9 Secondary reference General Motors Corp Delco Moraine Ndh Div |
| CWC88504X1C | 5/9 Secondary reference General Motors Corp |
| WC88504HX1E | 5/9 Secondary reference General Motors Corp Delco Remy Div |
| 130208 | 5/9 Secondary reference U.S. Government activity |
| 4D8189ITEM2 | 5/9 Secondary reference Westinghouse Electric Corp Power Generation-Generator Div |
| CWC88504 | 5/9 Secondary reference General Motors Corp Delco Moraine Ndh Div |
| CWC88504 | 5/9 Secondary reference General Motors Corp |
| WC88504HX1E | 5/9 Secondary reference General Motors Corp |
| WC88504X1C | 5/9 Secondary reference General Motors Corp Delco Moraine Ndh Div |
| 1188182 | 5/9 Secondary reference Westinghouse Electric Corp Power Generation-Generator Div |
| 11434A | 5/9 Secondary reference Hercules Engine Co Inc |
| CWC88504X1C | 5/9 Secondary reference General Motors Corp Delco Moraine Ndh Div |
| WC88504 | 5/9 Secondary reference General Motors Corp |
| 402294-83 | 5/9 Secondary reference Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| CW088504 | 5/9 Secondary reference General Motors Corp |
| 130208 | 5/9 Secondary reference Celtrac Corp |
| 43631 | 5/9 Secondary reference U.S. Government activity |
| WC88504X1C | 5/9 Secondary reference General Motors Corp |
NSN 3110-00-156-3531 is a Bearing,ball,annular, manufactured by Westinghouse Electric Corp, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-00-156-3531 has 13 manufacturer part numbers on file: WC88504X1C (General Motors Llc Dba General Motors Llc), 1188182 (Westinghouse Electric Corp), CWC88504X1C (General Motors Llc Dba General Motors Llc), 11434A (Brinkley Technology Group Llc Dba Hercules Manufacturing), WC88504HX1E (General Motors Llc Dba General Motors Llc) and 8 more.
4 possible matches (shared part number, not a government interchangeability claim): 2530-00-736-2407, 5950-00-824-0583, 3110-01-133-2737. Verify interchangeability with system specifications before substitution.
Key specifications for 1188182: Retainer Fabrication Method: PRESSED; Bearing Seal Type: LABYRINTH; Lubrication Material: GREASE; Outer Ring Width: 0.6250 INCHES NOMINAL IN. 20 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.