The Bearing,ball,thrust, cataloged under National Stock Number 3110-00-186-5037, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Abc Acquisition Company Dba Aetna Bearing Company. Government technical data includes 16 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through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-00-186-5037 |
| Primary Part Number | A1511-25 |
| Item Name | Bearing,ball,thrust |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Abc Acquisition Company Dba Aetna Bearing Company |
| Status | ACTIVE |
| Retainer Fabrication Method | PRESSED |
| Surface Finish | GROUND |
| Style Designator | CLUTCH RELEASE, THRUST, LUBRICATED AND SEALED |
| Material Document and Classification | SAE ASSN STD SINGLE MATERIAL RESPONSE BAND |
| Material Document and Classification | SAE ASSN STD SINGLE MATERIAL RESPONSE RETAINER |
| Material Document and Classification | SAE ASSN STD SINGLE MATERIAL RESPONSE WASHER |
| Thrust Directional Capability Designation | SINGLE |
| Overall Outside Diameter | 4.6250 INCHES NOMINAL IN |
| Bore Smallest Diameter | 2.7495 INCHES MINIMUM AND 2.7500 INCHES MAXIMUM IN |
| Alignment Type | RIGID |
| Standard Tolerance Designation | AFBMA STD TOLERANCE FOR THRUST BEARINGS |
| Material | STEEL CORROSION RESISTING BALL |
| Material | COPPER ALLOY INSERT |
| Material | STEEL COMP 1010 RETAINER |
| Material | STEEL COMP 1010 BAND |
| Material | STEEL COMP 1020 WASHER |
| 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 |
|---|---|
| A1511-25 PRIMARY | Abc Acquisition Company Dba Aetna Bearing Company (USA) |
| Reference | Meaning |
|---|---|
| A1511-15 | 5/9 Secondary reference Abc Acquisition Company Dba Aetna Bearing Company |
| 8774-A | 5/9 Secondary reference Federal-Mogul Corp Government Sales Dept |
| 100879R91 | 5/9 Secondary reference International Harvester Co Agricultural Equipment Div |
| 100879R91 | 5/9 Secondary reference Navistar International Corporation Dba Navistar |
| 3110001865037 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
| 405227 | 5/9 Secondary reference Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| 2759-37 | 5/9 Secondary reference Federal-Mogul Corp Government Sales Dept |
NSN 3110-00-186-5037 is a Bearing,ball,thrust, manufactured by Abc Acquisition Company Dba Aetna Bearing Company, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-00-186-5037 has 1 manufacturer part number on file: A1511-25 (Abc Acquisition Company Dba Aetna Bearing Company).
1 possible match (shared part number, not a government interchangeability claim): 6515-01-380-4841. Verify interchangeability with system specifications before substitution.
Key specifications for A1511-25: Retainer Fabrication Method: PRESSED; Overall Height: 0.8125 INCHES NOMINAL IN; Surface Finish: GROUND; Style Designator: CLUTCH RELEASE, THRUST, LUBRICATED AND SEALED. 16 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.