The Bearing,ball,thrust, cataloged under National Stock Number 3110-00-155-9140, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Gwilliam Company, Inc. Div Ball & Roller Bearing Division. Government technical data includes 11 specifications, cited from the U.S. Government catalog. The record lists 4 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 3110-00-155-9140 |
| Primary Part Number | A08 |
| Item Name | Bearing,ball,thrust |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Gwilliam Company, Inc. Div Ball & Roller Bearing Division |
| Status | ACTIVE |
| Retainer Fabrication Method | MACHINED |
| Surface Finish | GROUND |
| Style Designator | FLAT RACE SURFACE, STAGGERED BALL RETAINER |
| Thrust Directional Capability Designation | SINGLE |
| Overall Outside Diameter | 0.6250 INCHES NOMINAL IN |
| Bore Smallest Diameter | 0.3125 INCHES NOMINAL IN |
| Alignment Type | RIGID |
| Standard Tolerance Designation | AFBMA STD TOLERANCE FOR THRUST BEARINGS |
| Material | STEEL BALL |
| Material | STEEL WASHER |
| Material | COPPER ALLOY OR PLASTIC POLYAMIDE NYLON RETAINER |
| 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 |
|---|---|
| 124143-1 | Goodrich Actuation Systems SAS (FRA) |
| 06704-A08 | Altra Industrial Motion Corp. (USA) |
| A08 PRIMARY | Gwilliam Company, Inc. Div Ball & Roller Bearing Division (USA) |
| 124143-1 | Safran Electrical & Power Chatou SAS (FRA) |
| Reference | Meaning |
|---|---|
| K183672-1 | 5/9 Secondary reference Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin |
| FT08 | 5/9 Secondary reference Andrews Bearing Corp Div of Mpb Corp Sub of Wheelabrator-Frye Inc |
| 124143-1 | 5/9 Secondary reference Lucas France Sa Div Aerospace France |
NSN 3110-00-155-9140 is a Bearing,ball,thrust, manufactured by Gwilliam Company, Inc. Div Ball & Roller Bearing Division, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-00-155-9140 has 4 manufacturer part numbers on file: 124143-1 (Goodrich Actuation Systems SAS), 06704-A08 (Altra Industrial Motion Corp.), A08 (Gwilliam Company, Inc. Div Ball & Roller Bearing Division), 124143-1 (Safran Electrical & Power Chatou SAS).
2 possible matches (shared part number, not a government interchangeability claim): 5330-01-345-2327, 6220-01-517-4352. Verify interchangeability with system specifications before substitution.
Key specifications for A08: Retainer Fabrication Method: MACHINED; Overall Height: 0.2500 INCHES NOMINAL IN; Surface Finish: GROUND; Style Designator: FLAT RACE SURFACE, STAGGERED BALL RETAINER. 11 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.